/*
Theme Name: PR to Canada LMS Theme Pro
Theme URI: https://prtocanada.com
Author: PR to Canada
Description: Professional, distraction-free study platform for TCF Canada preparation. Clean light-first design with full dark mode support.
Version: 4.0.0
*/

/* ================================================================
   DESIGN TOKENS — LIGHT MODE (DEFAULT)
   ================================================================ */
:root {
    --bg-base:          #F7F8FA;
    --bg-surface:       #FFFFFF;
    --bg-card:          #FFFFFF;
    --bg-card-hover:    #F9FAFB;
    --bg-card-solid:    #FFFFFF;
    --border:           #E5E7EB;
    --border-specular:  #D1D5DB;
    --border-hover:     #2563EB;
    --border-focus:     #2563EB;
    --accent:           #2563EB;
    --accent-hover:     #1D4ED8;
    --accent-light:     rgba(37,99,235,0.08);
    --accent-glow:      rgba(37,99,235,0.2);
    --apple-blue:       #2563EB;
    --apple-blue-solid: #1D4ED8;
    --apple-cyan:       #0EA5E9;
    --apple-indigo:     #4F46E5;
    --apple-purple:     #7C3AED;
    --apple-gold:       #D97706;
    --apple-amber:      #F59E0B;
    --apple-rose:       #E11D48;
    --apple-emerald:    #16A34A;
    --apple-mint:       #0891B2;
    --success:          #16A34A;
    --success-bg:       rgba(22,163,74,0.08);
    --success-border:   rgba(22,163,74,0.3);
    --warning:          #D97706;
    --warning-bg:       rgba(217,119,6,0.08);
    --danger:           #DC2626;
    --danger-bg:        rgba(220,38,38,0.08);
    --danger-border:    rgba(220,38,38,0.3);
    --text-main:        #202124;
    --text-secondary:   #5F6368;
    --text-muted:       #9AA0A6;
    --text-dim:         #BDC1C6;
    --radius-xs:        6px;
    --radius-sm:        8px;
    --radius-md:        12px;
    --radius-lg:        16px;
    --radius-xl:        20px;
    --radius-full:      9999px;
    --glass-blur:       none;
    --glass-blur-sm:    none;
    --shadow-card:      0 1px 3px rgba(0,0,0,0.07),0 1px 2px rgba(0,0,0,0.04);
    --shadow-elevated:  0 4px 16px rgba(0,0,0,0.1),0 2px 6px rgba(0,0,0,0.05);
    --shadow-glow:      0 0 0 3px rgba(37,99,235,0.15);
    --shadow-gold:      0 0 0 3px rgba(217,119,6,0.15);
}

/* ================================================================
   DARK MODE TOKENS
   ================================================================ */
[data-theme="dark"] {
    --bg-base:          #020a16;
    --bg-surface:       rgba(6, 20, 44, 0.72);
    --bg-card:          rgba(6, 20, 44, 0.72);
    --bg-card-hover:    rgba(10, 30, 64, 0.8);
    --bg-card-solid:    #041228;
    --border:           rgba(255, 255, 255, 0.12);
    --border-specular:  rgba(255, 255, 255, 0.22);
    --border-hover:     #38bdf8;
    --border-focus:     #38bdf8;
    --accent:           #38bdf8;
    --accent-hover:     #7dd3fc;
    --accent-light:     rgba(56, 189, 248, 0.15);
    --accent-glow:      rgba(56, 189, 248, 0.3);
    --text-main:        #ffffff;
    --text-secondary:   rgba(255, 255, 255, 0.85);
    --text-muted:       rgba(255, 255, 255, 0.65);
    --text-dim:         rgba(255, 255, 255, 0.45);
    --shadow-card:      0 20px 45px rgba(2, 14, 38, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.25);
    --shadow-elevated:  0 25px 60px rgba(2, 14, 38, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.35);
    --shadow-glow:      0 0 0 3px rgba(56, 189, 248, 0.3);
    --apple-blue:       #38bdf8;
    --apple-blue-solid: #2563eb;
    --apple-emerald:    #22c55e;
    --success:          #22c55e;
    --warning:          #f59e0b;
    --danger:           #ef4444;
    --success-bg:       rgba(34, 197, 94, 0.22);
    --success-border:   rgba(34, 197, 94, 0.45);
    --danger-bg:        rgba(239, 68, 68, 0.22);
    --danger-border:    rgba(239, 68, 68, 0.45);
}

/* ================================================================
   GLOBAL RESET & BASE
   ================================================================ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    margin-top: 0 !important;
    scroll-behavior: smooth;
    overflow-x: clip;
    max-width: 100%;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: "Inter","Segoe UI",-apple-system,BlinkMacSystemFont,Arial,sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.25s ease,color 0.25s ease;
    overflow-x: clip;
    max-width: 100%;
    position: relative;
}

h1,h2,h3,h4,h5,h6 {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
}
h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { line-height: 1.7; margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ================================================================
   SITE HEADER & NAV
   ================================================================ */
.site-header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background 0.25s ease,border-color 0.25s ease;
}
.site-header-inner {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
    opacity: 1;
    transition: opacity 0.15s;
}
.site-logo:hover { opacity: 0.8; text-decoration: none; }

.logo-badge {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--accent-light);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}
.logo-text-main {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.01em;
}
.logo-text-sub {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-light);
    border: 1px solid rgba(37,99,235,0.2);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.site-nav {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    flex-wrap: nowrap;
}
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: color 0.15s,border-color 0.15s;
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--accent);
    text-decoration: none;
    border-bottom-color: var(--accent);
}
.user-profile-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    padding: 4px 12px 4px 5px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-main);
    font-weight: 500;
}
.user-avatar-dot {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.75rem;
    display: flex; align-items: center; justify-content: center;
}
.btn-signout {
    color: var(--danger);
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    padding: 5px 13px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s;
    white-space: nowrap;
}
.btn-signout:hover { background: rgba(220,38,38,0.14); text-decoration: none; color: var(--danger); }

/* Mobile hamburger */
.mobile-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-main);
    cursor: pointer;
    font-size: 1.2rem;
    transition: background 0.15s;
    flex-shrink: 0;
}
.mobile-nav-toggle:hover { background: var(--bg-base); }

/* Mobile drawer */
.mobile-nav-drawer {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
}
.mobile-nav-drawer.open { pointer-events: all; }

.mobile-nav-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    opacity: 0;
    transition: opacity 0.25s;
}
.mobile-nav-drawer.open .mobile-nav-overlay { opacity: 1; }

.mobile-nav-panel {
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 280px;
    background: var(--bg-surface);
    border-left: 1px solid var(--border);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.16,1,0.3,1);
    overflow-y: auto;
}
.mobile-nav-drawer.open .mobile-nav-panel { transform: translateX(0); }

.mobile-nav-close {
    align-self: flex-end;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 5px 12px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background 0.15s,border-color 0.15s;
}
.mobile-nav-link:hover { background: var(--bg-base); border-color: var(--border); text-decoration: none; }

.site-main { flex: 1; display: flex; flex-direction: column; }

/* ================================================================
   CONTAINERS
   ================================================================ */
.prto-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
}

/* ================================================================
   CARDS
   ================================================================ */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s,border-color 0.2s,background 0.2s;
    position: relative;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
.glass-card-hover:hover {
    box-shadow: var(--shadow-elevated);
    border-color: var(--border-specular);
    background: var(--bg-card-hover);
}

/* ================================================================
   COURSE ACCENT CARDS — subtle left-border per course
   All PHP class names preserved
   ================================================================ */
.glass-indigo,.glass-course-listening,.bento-card-indigo {
    border-left: 3px solid #2563EB !important;
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border) !important;
    border-right: 1px solid var(--border) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-card) !important;
}
.glass-indigo:hover,.glass-course-listening:hover,.bento-card-indigo:hover {
    box-shadow: var(--shadow-elevated) !important;
    background: var(--bg-card-hover) !important;
}
.glass-emerald,.glass-course-reading,.bento-card-emerald {
    border-left: 3px solid #16A34A !important;
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border) !important;
    border-right: 1px solid var(--border) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-card) !important;
}
.glass-emerald:hover,.glass-course-reading:hover,.bento-card-emerald:hover {
    box-shadow: var(--shadow-elevated) !important;
    background: var(--bg-card-hover) !important;
}
.glass-rose,.glass-course-writing,.bento-card-rose {
    border-left: 3px solid #E11D48 !important;
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border) !important;
    border-right: 1px solid var(--border) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-card) !important;
}
.glass-rose:hover,.glass-course-writing:hover,.bento-card-rose:hover {
    box-shadow: var(--shadow-elevated) !important;
    background: var(--bg-card-hover) !important;
}
.glass-amber,.glass-course-speaking,.bento-card-amber {
    border-left: 3px solid #D97706 !important;
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border) !important;
    border-right: 1px solid var(--border) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-card) !important;
}
.glass-amber:hover,.glass-course-speaking:hover,.bento-card-amber:hover {
    box-shadow: var(--shadow-elevated) !important;
    background: var(--bg-card-hover) !important;
}
.glass-cyan,.glass-course-weekly,.bento-card-cyan {
    border-left: 3px solid #0891B2 !important;
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border) !important;
    border-right: 1px solid var(--border) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-card) !important;
}
.glass-cyan:hover,.glass-course-weekly:hover,.bento-card-cyan:hover {
    box-shadow: var(--shadow-elevated) !important;
    background: var(--bg-card-hover) !important;
}
.glass-purple,.glass-course-topics,.bento-card-purple {
    border-left: 3px solid #7C3AED !important;
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border) !important;
    border-right: 1px solid var(--border) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-card) !important;
}
.glass-purple:hover,.glass-course-topics:hover,.bento-card-purple:hover {
    box-shadow: var(--shadow-elevated) !important;
    background: var(--bg-card-hover) !important;
}

.hero-welcome-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    box-shadow: var(--shadow-elevated) !important;
}

/* ================================================================
   COURSE ICON BOX
   ================================================================ */
.course-icon-box {
    background: var(--bg-base);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    user-select: none;
    transition: transform 0.2s;
}
.course-icon-inner { display: inline-block; transition: transform 0.2s; }
.lms-course-card:hover .course-icon-box { transform: scale(1.05); }
.lms-course-card:hover .course-icon-inner { transform: scale(1.08); }

.icon-anim-listening,.icon-anim-reading,.icon-anim-writing,
.icon-anim-speaking,.icon-anim-weekly,.icon-anim-topics { display: inline-block; }

/* ================================================================
   COURSES GRID
   ================================================================ */
.courses-compact-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 1rem;
}
@media (max-width:1024px) { .courses-compact-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width:640px)  { .courses-compact-grid { grid-template-columns: 1fr; } }

.lms-course-card-compact {
    padding: 1.25rem 1.375rem !important;
    border-radius: var(--radius-md) !important;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: box-shadow 0.2s,transform 0.2s;
}
.lms-course-card-compact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated) !important;
}

/* ================================================================
   MOTIVATION BANNER
   ================================================================ */
.motivation-banner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-md);
    padding: 1.125rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 1.75rem;
}

/* ================================================================
   TEXT GRADIENTS (preserved, simplified for light mode)
   ================================================================ */
.text-gradient-purple  { color: var(--accent); }
.text-gradient-gold    { color: var(--warning); }
.text-gradient-cyan    { color: var(--apple-cyan); }
.text-gradient-emerald { color: var(--success); }

[data-theme="dark"] .text-gradient-purple {
    background: linear-gradient(135deg,#F3F4F6 0%,#A78BFA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
[data-theme="dark"] .text-gradient-gold {
    background: linear-gradient(135deg,#FEF3C7 0%,#FBBF24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================================================================
   PILLS & BADGES
   ================================================================ */
.pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em;
}
.pill-primary  { background: var(--accent-light); border: 1px solid rgba(37,99,235,0.2); color: var(--accent); }
.pill-success  { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success); }
.pill-gold     { background: rgba(217,119,6,0.08); border: 1px solid rgba(217,119,6,0.25); color: var(--warning); }
.pill-warning  { background: var(--warning-bg); border: 1px solid rgba(217,119,6,0.3); color: var(--warning); }
.pill-danger   { background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger); }
.pill-neutral  { background: var(--bg-base); border: 1px solid var(--border); color: var(--text-secondary); }

/* ================================================================
   BUTTONS
   ================================================================ */
.apple-btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 6px;
    padding: 0.5rem 1.125rem;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s,box-shadow 0.15s,transform 0.1s;
    font-family: inherit;
    white-space: nowrap;
    line-height: 1.4;
    min-height: 40px;
}
.apple-btn:hover { text-decoration: none; }
.apple-btn:active { transform: scale(0.97); }

.apple-btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 1px 3px rgba(37,99,235,0.3);
}
.apple-btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(37,99,235,0.35);
    color: #fff;
}
.apple-btn-secondary {
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
}
.apple-btn-secondary:hover {
    background: var(--bg-base);
    border-color: var(--border-specular);
    color: var(--text-main);
    box-shadow: var(--shadow-elevated);
}
.apple-btn-sm { padding: 0.375rem 0.875rem; font-size: 0.8125rem; min-height: 34px; }

/* ================================================================
   AUDIO PLAYER
   ================================================================ */
.apple-audio-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex; flex-direction: column; gap: 8px;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-card);
    width: 100%;
}
.audio-controls-row { display: flex; align-items: center; gap: 14px; width: 100%; }

.apple-play-btn {
    width: 40px; height: 40px; min-width: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    border: none;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(37,99,235,0.3);
    transition: transform 0.15s,box-shadow 0.15s;
    flex-shrink: 0;
}
.apple-play-btn:hover { transform: scale(1.06); box-shadow: 0 4px 14px rgba(37,99,235,0.45); }

.apple-seek-bar {
    flex: 1; width: 100%; min-width: 120px;
    height: 6px;
    background: var(--border);
    border-radius: 999px;
    position: relative; cursor: pointer;
    transition: height 0.15s;
    user-select: none; touch-action: none;
}
.apple-seek-bar:hover,.apple-seek-bar.is-seeking { height: 8px; }
.apple-seek-fill {
    height: 100%; width: 0%;
    background: var(--accent);
    border-radius: 999px;
    position: relative; pointer-events: none;
}
.apple-seek-thumb {
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 2px #fff,0 2px 4px rgba(0,0,0,0.2);
    position: absolute; right: -7px; top: 50%;
    transform: translateY(-50%);
    opacity: 0; transition: opacity 0.15s;
}
.apple-seek-bar:hover .apple-seek-thumb,
.apple-seek-bar.is-seeking .apple-seek-thumb { opacity: 1; }
.audio-time-label {
    font-size: 0.8rem; color: var(--text-muted);
    font-variant-numeric: tabular-nums; font-family: monospace; white-space: nowrap;
}
.audio-speed-chips { display: flex; gap: 4px; }
.speed-chip {
    padding: 3px 9px;
    background: var(--bg-base); border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-secondary); font-size: 0.75rem; font-weight: 600;
    cursor: pointer; transition: all 0.15s;
}
.speed-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.speed-chip:hover:not(.active) { border-color: var(--accent); color: var(--accent); }

/* ================================================================
   QUIZ OPTION CHOICES
   ================================================================ */
.opt-choice-apple {
    display: flex; align-items: center; gap: 14px;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 0.15s,background 0.15s,box-shadow 0.15s;
    user-select: none;
    box-shadow: var(--shadow-card);
    min-height: 58px;
}
.opt-choice-apple:hover { background: var(--bg-base); border-color: var(--accent); }
.opt-choice-apple.selected {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.32) 0%, rgba(37, 99, 235, 0.38) 100%) !important;
    border: 2px solid #38bdf8 !important;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.45), inset 0 0 12px rgba(56, 189, 248, 0.2) !important;
    transform: translateX(4px);
}
.opt-choice-apple.correct-answer {
    background: rgba(34, 197, 94, 0.22) !important;
    border: 2px solid #22c55e !important;
    box-shadow: 0 0 16px rgba(34, 197, 94, 0.35) !important;
}
.opt-choice-apple.wrong-answer {
    background: rgba(239, 68, 68, 0.22) !important;
    border: 2px solid #ef4444 !important;
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.35) !important;
}
.opt-letter-badge {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--bg-base);
    border: 1.5px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.875rem; font-weight: 700; color: var(--text-secondary);
    flex-shrink: 0; transition: all 0.15s;
}
.opt-choice-apple.selected .opt-letter-badge {
    background: #0284c7 !important;
    border-color: #38bdf8 !important;
    color: #ffffff !important;
    font-weight: 800 !important;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.6) !important;
}
.opt-choice-apple.selected .opt-text {
    color: #ffffff !important;
    font-weight: 700 !important;
}
.opt-choice-apple.correct-answer .opt-letter-badge {
    background: #16a34a !important;
    border-color: #22c55e !important;
    color: #ffffff !important;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5) !important;
}
.opt-choice-apple.wrong-answer .opt-letter-badge {
    background: #dc2626 !important;
    border-color: #ef4444 !important;
    color: #ffffff !important;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5) !important;
}
.opt-choice-apple.correct-answer .opt-text {
    color: #ffffff !important;
    font-weight: 600 !important;
}
.opt-choice-apple.wrong-answer .opt-text {
    color: #fca5a5 !important;
}
.opt-text { color: var(--text-main); font-size: 1.0625rem; line-height: 1.55; flex: 1; font-weight: 400; }

/* ================================================================
   LOGIN FORM
   ================================================================ */
#loginform { display: flex; flex-direction: column; gap: 1.125rem; }
#loginform label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-main); margin-bottom: 0.35rem; }
#loginform input[type="text"],
#loginform input[type="password"] {
    width: 100%; padding: 0.75rem 1rem;
    background: var(--bg-surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-main); font-size: 1rem; font-family: inherit;
    outline: none;
    transition: border-color 0.15s,box-shadow 0.15s;
}
#loginform input[type="text"]:focus,
#loginform input[type="password"]:focus { border-color: var(--border-focus); box-shadow: var(--shadow-glow); }
#loginform .login-remember label {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.875rem; font-weight: 400;
    color: var(--text-secondary); cursor: pointer;
}
#loginform #wp-submit {
    width: 100%; padding: 0.75rem 1.5rem;
    background: var(--accent); border: none;
    border-radius: var(--radius-sm);
    color: #fff; font-size: 1rem; font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(37,99,235,0.3);
    transition: background 0.15s,box-shadow 0.15s;
}
#loginform #wp-submit:hover { background: var(--accent-hover); box-shadow: 0 4px 14px rgba(37,99,235,0.4); }

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 2rem;
    background: var(--bg-surface);
    margin-top: auto;
    color: var(--text-muted);
    font-size: 0.875rem;
}
.site-footer-inner {
    max-width: 1280px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
}

/* ================================================================
   EXAM RUNNER LAYOUT
   ================================================================ */
.exam-split-layout { 
    display: flex; 
    gap: 1.75rem; 
    align-items: flex-start !important; 
    width: 100%; 
    position: relative !important;
}
.exam-sidebar-sticky { 
    width: 280px; 
    flex-shrink: 0; 
    position: -webkit-sticky !important; 
    position: sticky !important; 
    top: 76px !important; 
    z-index: 100 !important; 
    max-height: calc(100vh - 86px) !important; 
    overflow-y: auto !important; 
    align-self: flex-start !important;
    scrollbar-width: thin;
}
.exam-sidebar-sticky::-webkit-scrollbar { width: 4px; }
.exam-sidebar-sticky::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.exam-main-content { flex: 1; min-width: 0; }

.exam-q-grid {
    display: grid;
    grid-template-columns: repeat(5,1fr);
    gap: 4px; 
    max-height: 145px; 
    overflow-y: auto; 
    padding-right: 3px;
}
.exam-q-grid::-webkit-scrollbar { width: 4px; }
.exam-q-grid::-webkit-scrollbar-thumb { background: var(--border-specular); border-radius: 4px; }

.q-nav-pill {
    height: 36px; border-radius: var(--radius-xs);
    background: var(--bg-base); border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8125rem; font-weight: 600;
    text-decoration: none; transition: all 0.15s; min-height: 36px;
}
.q-nav-pill:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent); text-decoration: none; }
.q-nav-pill.answered { background: var(--accent) !important; color: #fff !important; border-color: var(--accent) !important; }
.q-nav-pill.correct { background: #16a34a !important; color: #ffffff !important; border-color: #16a34a !important; box-shadow: 0 0 0 1px #16a34a, 0 2px 8px rgba(22, 163, 74, 0.4) !important; }
.q-nav-pill.wrong { background: #dc2626 !important; color: #ffffff !important; border-color: #dc2626 !important; box-shadow: 0 0 0 1px #dc2626, 0 2px 8px rgba(220, 38, 38, 0.4) !important; }
.q-nav-pill.skipped { background: #ea580c !important; color: #ffffff !important; border-color: #ea580c !important; box-shadow: 0 0 0 1px #ea580c, 0 2px 8px rgba(234, 88, 12, 0.4) !important; }

/* ================================================================
   READING PASSAGE
   ================================================================ */
.reading-passage-box {
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-card);
}
.reading-passage-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-main);
    font-weight: 400;
    white-space: pre-line;
    max-width: 760px;
}
.reading-question-prompt {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 1.0625rem; font-weight: 600; color: var(--text-main);
}

/* ================================================================
   TIMER BOX & LISTENING PROMPT
   ================================================================ */
.exam-timer-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-md);
}
.listening-question-prompt {
    background: rgba(37,99,235,0.05);
    border: 1px solid rgba(37,99,235,0.2);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}
.listening-question-prompt .q-prompt-tag   { color: var(--accent); }
.listening-question-prompt .q-prompt-main-text { color: var(--text-main); }
.listening-question-prompt .q-prompt-en   { color: var(--text-secondary); }

/* ================================================================
   WORKSPACE LAYOUT
   ================================================================ */
.workspace-grid-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1.75rem; align-items: start; margin-bottom: 3rem;
}
.workspace-sidebar { position: sticky; top: 76px; z-index: 100; }
@media (max-width:960px) {
    .workspace-grid-layout { grid-template-columns: 1fr !important; }
    .workspace-sidebar { position: static !important; margin-bottom: 1.5rem !important; }
}

/* ================================================================
   RECENT STUDY CARD
   ================================================================ */
.recent-study-card {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 0.875rem 1.125rem;
    background: var(--bg-card); border: 1.5px solid var(--border);
    border-radius: var(--radius-md); text-decoration: none;
    transition: border-color 0.15s,box-shadow 0.15s,background 0.15s;
    box-shadow: var(--shadow-card);
}
.recent-study-card:hover { border-color: var(--accent); background: var(--bg-base); box-shadow: var(--shadow-elevated); text-decoration: none; }
.recent-study-card:hover .recent-arrow { transform: translateX(3px); }
.recent-arrow { display: inline-block; transition: transform 0.2s; }
.recent-study-icon-box {
    width: 42px; height: 42px; min-width: 42px;
    border-radius: var(--radius-sm);
    background: var(--accent-light);
    border: 1px solid rgba(37,99,235,0.2);
    display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}
.recent-study-resume-btn {
    display: flex; align-items: center; gap: 5px;
    color: #fff; font-size: 0.8125rem; font-weight: 600;
    flex-shrink: 0; background: var(--accent);
    padding: 7px 14px; border-radius: var(--radius-sm);
    border: none; box-shadow: 0 1px 3px rgba(37,99,235,0.25);
    transition: background 0.15s; white-space: nowrap;
}
.recent-study-card:hover .recent-study-resume-btn { background: var(--accent-hover); }

/* ================================================================
   Q-ITEM & COURSE SET CARDS
   ================================================================ */
.q-item-card { background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow-card); border-radius: var(--radius-md); }
.q-item-card span,.q-item-card div,.q-item-card p { color: var(--text-main); }
.q-number-title { color: var(--text-main) !important; }
.q-opt-btn { background: var(--bg-card); border: 1.5px solid var(--border); color: var(--text-main); border-radius: var(--radius-sm); cursor: pointer; transition: border-color 0.15s,background 0.15s; }
.q-opt-btn .opt-text { color: var(--text-main) !important; }
.q-opt-btn:hover { background: var(--bg-base); border-color: var(--accent); }
.course-set-item-card { background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow-card); border-radius: var(--radius-md); }
.course-set-item-card h3 { color: var(--text-main) !important; }

/* ================================================================
   EXAM TOPIC CARD
   ================================================================ */
.exam-topic-card { border-radius: var(--radius-md) !important; }

/* ================================================================
   DARK MODE — ENTIRE WEBSITE HARMONIZED WITH LOGIN SCREEN
   ================================================================ */
[data-theme="dark"] body {
    background: linear-gradient(180deg, #093c7e 0%, #083d82 40%, #09448b 100%) fixed !important;
    color: #ffffff !important;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: #ffffff !important;
    font-weight: 800 !important;
    letter-spacing: -0.02em !important;
}

[data-theme="dark"] .site-header,
.site-header {
    background: rgba(4, 16, 36, 0.8) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35) !important;
}

[data-theme="dark"] .site-header .site-title a,
[data-theme="dark"] .site-header .site-title span {
    color: #ffffff !important;
}

[data-theme="dark"] .site-footer {
    background: rgba(8, 28, 56, 0.55) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.14) !important;
    color: rgba(255, 255, 255, 0.65) !important;
}

[data-theme="dark"] .glass-card,
[data-theme="dark"] .hero-welcome-card,
[data-theme="dark"] .motivation-banner,
[data-theme="dark"] .stat-card-apple,
[data-theme="dark"] .course-apple-card,
[data-theme="dark"] .recent-study-card,
[data-theme="dark"] .q-item-card,
[data-theme="dark"] .exam-sidebar-card,
[data-theme="dark"] .course-set-item-card {
    background: rgba(6, 20, 44, 0.72) !important;
    backdrop-filter: blur(24px) !important;
    -webkit-backdrop-filter: blur(24px) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.55), inset 0 1px 1px 0 rgba(255, 255, 255, 0.15) !important;
    border-radius: 20px !important;
}

[data-theme="dark"] .reading-passage-box {
    background: rgba(0, 0, 0, 0.35) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    border-left: 4px solid #38bdf8 !important;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.35) !important;
    padding: 1.5rem 1.75rem !important;
    border-radius: 14px !important;
    margin-bottom: 1.35rem !important;
}

[data-theme="dark"] .reading-passage-text {
    color: #ffffff !important;
    font-size: 1.1rem !important;
    font-weight: 500 !important;
    line-height: 1.85 !important;
    letter-spacing: 0.015em !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5) !important;
}

[data-theme="dark"] .listening-question-prompt {
    background: rgba(0, 0, 0, 0.3) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    border-left: 4px solid #38bdf8 !important;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.25) !important;
    padding: 1rem 1.35rem !important;
    border-radius: 12px !important;
    margin-bottom: 1.15rem !important;
}

[data-theme="dark"] .listening-question-prompt .q-prompt-tag {
    color: #38bdf8 !important;
    font-size: 0.78rem !important;
    font-weight: 800 !important;
    letter-spacing: 0.06em !important;
    text-transform: uppercase !important;
    margin-bottom: 5px !important;
}

[data-theme="dark"] .listening-question-prompt .q-prompt-main-text {
    color: #ffffff !important;
    font-size: 1.12rem !important;
    font-weight: 700 !important;
    line-height: 1.55 !important;
}

[data-theme="dark"] .glass-card-hover:hover,
[data-theme="dark"] .course-apple-card:hover,
[data-theme="dark"] .recent-study-card:hover {
    background: rgba(255, 255, 255, 0.13) !important;
    border-color: rgba(56, 189, 248, 0.45) !important;
    box-shadow: 0 25px 55px -10px rgba(0, 0, 0, 0.55), 0 0 20px rgba(56, 189, 248, 0.2) !important;
    transform: translateY(-2px) !important;
}

[data-theme="dark"] .opt-choice-apple {
    background: rgba(255, 255, 255, 0.06) !important;
    border: 1.5px solid rgba(255, 255, 255, 0.16) !important;
    border-radius: 10px !important;
    color: #ffffff !important;
    transition: all 0.15s ease !important;
}

[data-theme="dark"] .opt-choice-apple .opt-text {
    color: #ffffff !important;
    font-size: 0.96rem !important;
    font-weight: 500 !important;
}

[data-theme="dark"] .opt-choice-apple .opt-letter-badge {
    background: rgba(255, 255, 255, 0.12) !important;
    border-color: rgba(255, 255, 255, 0.25) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
}

[data-theme="dark"] .opt-choice-apple:hover {
    background: rgba(255, 255, 255, 0.11) !important;
    border-color: #38bdf8 !important;
}

[data-theme="dark"] .opt-choice-apple.selected {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.32) 0%, rgba(37, 99, 235, 0.38) 100%) !important;
    border: 2px solid #38bdf8 !important;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.45), inset 0 0 12px rgba(56, 189, 248, 0.2) !important;
    transform: translateX(4px);
}

[data-theme="dark"] .opt-choice-apple.selected .opt-letter-badge {
    background: #0284c7 !important;
    border-color: #38bdf8 !important;
    color: #ffffff !important;
    font-weight: 800 !important;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.6) !important;
}

[data-theme="dark"] .opt-choice-apple.selected .opt-text {
    color: #ffffff !important;
    font-weight: 700 !important;
}

[data-theme="dark"] .opt-choice-apple.correct-answer {
    background: rgba(34, 197, 94, 0.22) !important;
    border: 2px solid #22c55e !important;
    box-shadow: 0 0 16px rgba(34, 197, 94, 0.35) !important;
}

[data-theme="dark"] .opt-choice-apple.wrong-answer {
    background: rgba(239, 68, 68, 0.22) !important;
    border: 2px solid #ef4444 !important;
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.35) !important;
}

[data-theme="dark"] .opt-letter-badge {
    background: rgba(255, 255, 255, 0.12) !important;
    border-color: rgba(255, 255, 255, 0.25) !important;
    color: #ffffff !important;
}

[data-theme="dark"] .opt-choice-apple.correct-answer .opt-letter-badge {
    background: #16a34a !important;
    border-color: #22c55e !important;
    color: #ffffff !important;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5) !important;
}

[data-theme="dark"] .opt-choice-apple.wrong-answer .opt-letter-badge {
    background: #dc2626 !important;
    border-color: #ef4444 !important;
    color: #ffffff !important;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5) !important;
}

[data-theme="dark"] .apple-audio-wrap { background: rgba(255, 255, 255, 0.08) !important; border: 1px solid rgba(255, 255, 255, 0.18) !important; }
[data-theme="dark"] .apple-seek-bar { background: rgba(255, 255, 255, 0.2) !important; }
[data-theme="dark"] .apple-play-btn { background: #38bdf8 !important; color: #071932 !important; }
[data-theme="dark"] .exam-timer-box { background: rgba(255, 255, 255, 0.08) !important; border: 1px solid rgba(255, 255, 255, 0.18) !important; color: #ffffff !important; }

[data-theme="dark"] .q-nav-pill:not(.answered):not(.correct):not(.wrong):not(.skipped) {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.18) !important;
    color: rgba(255, 255, 255, 0.85) !important;
}

[data-theme="dark"] .q-nav-pill:not(.answered):not(.correct):not(.wrong):not(.skipped):hover {
    background: rgba(56, 189, 248, 0.18) !important;
    border-color: #38bdf8 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .q-nav-pill.answered { background: #2563eb !important; color: #fff !important; border-color: #38bdf8 !important; }
[data-theme="dark"] .q-nav-pill.correct { background: #16a34a !important; color: #ffffff !important; border-color: #22c55e !important; box-shadow: 0 0 10px rgba(34, 197, 94, 0.45) !important; }
[data-theme="dark"] .q-nav-pill.wrong { background: #dc2626 !important; color: #ffffff !important; border-color: #ef4444 !important; box-shadow: 0 0 10px rgba(239, 68, 68, 0.45) !important; }
[data-theme="dark"] .q-nav-pill.skipped { background: #ea580c !important; color: #ffffff !important; border-color: #fb923c !important; box-shadow: 0 0 10px rgba(249, 115, 22, 0.45) !important; }

[data-theme="dark"] .apple-btn-secondary {
    background: rgba(255, 255, 255, 0.09) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: #ffffff !important;
}

[data-theme="dark"] .apple-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    border-color: rgba(255, 255, 255, 0.35) !important;
}

[data-theme="dark"] .apple-btn-primary {
    background: #091a32 !important;
    border: 1px solid rgba(255, 255, 255, 0.22) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .apple-btn-primary:hover {
    background: #0f2b54 !important;
    border-color: rgba(255, 255, 255, 0.35) !important;
}

[data-theme="dark"] .logo-text-sub {
    background: rgba(56, 189, 248, 0.15) !important;
    border-color: rgba(56, 189, 248, 0.3) !important;
    color: #38bdf8 !important;
}

[data-theme="dark"] .btn-signout {
    color: #fca5a5 !important;
    background: rgba(239, 68, 68, 0.12) !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
}

[data-theme="dark"] .course-icon-box {
    background: rgba(255, 255, 255, 0.12) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

[data-theme="dark"] .pill-primary {
    background: rgba(56, 189, 248, 0.15) !important;
    border-color: rgba(56, 189, 248, 0.3) !important;
    color: #38bdf8 !important;
}

[data-theme="dark"] .pill-success {
    background: rgba(34, 197, 94, 0.15) !important;
    border-color: rgba(34, 197, 94, 0.35) !important;
    color: #4ade80 !important;
}

[data-theme="dark"] .pill-neutral {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
    color: rgba(255, 255, 255, 0.85) !important;
}

[data-theme="dark"] .user-profile-pill {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
    color: #ffffff !important;
}

[data-theme="dark"] .q-item-card span,
[data-theme="dark"] .q-item-card div,
[data-theme="dark"] .q-item-card p {
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .mobile-nav-panel {
    background: #081d3d !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
}

[data-theme="dark"] .mobile-nav-link {
    color: #ffffff !important;
}

[data-theme="dark"] .mobile-nav-link:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

/* Dark mode course accent borders on frosted glass */
[data-theme="dark"] .glass-indigo,
[data-theme="dark"] .glass-course-listening,
[data-theme="dark"] .bento-card-indigo {
    border-left: 4px solid #38bdf8 !important;
}

[data-theme="dark"] .glass-emerald,
[data-theme="dark"] .glass-course-reading,
[data-theme="dark"] .bento-card-emerald {
    border-left: 4px solid #34d399 !important;
}

[data-theme="dark"] .glass-rose,
[data-theme="dark"] .glass-course-writing,
[data-theme="dark"] .bento-card-rose {
    border-left: 4px solid #fb7185 !important;
}

[data-theme="dark"] .glass-amber,
[data-theme="dark"] .glass-course-speaking,
[data-theme="dark"] .bento-card-amber {
    border-left: 4px solid #fbbf24 !important;
}

[data-theme="dark"] .glass-cyan,
[data-theme="dark"] .glass-course-weekly,
[data-theme="dark"] .bento-card-cyan {
    border-left: 4px solid #38bdf8 !important;
}

[data-theme="dark"] .glass-purple,
[data-theme="dark"] .glass-course-topics,
[data-theme="dark"] .bento-card-purple {
    border-left: 4px solid #c084fc !important;
}

/* ================================================================
   VANTA BIRDS — visible only on homepage & login screen
   (Active for both guest login screen and logged-in dashboard)
   ================================================================ */
#vanta-birds-canvas {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
}
body.home #vanta-birds-canvas {
    display: block !important;
}

/* ================================================================
   ROYAL BLUE BACKGROUND LAYER (UNIFIED ACROSS ALL PAGES)
   ================================================================ */
.course-parallax-layer {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: 0;
    pointer-events: none;
    background: linear-gradient(180deg, #093c7e 0%, #083d82 40%, #09448b 100%) fixed !important;
}

[data-theme="dark"] .course-parallax-layer {
    background: linear-gradient(180deg, #093c7e 0%, #083d82 40%, #09448b 100%) fixed !important;
}

body.single-lms_course,
body.single-lms_exam_set,
body.page,
body {
    background: linear-gradient(180deg, #093c7e 0%, #083d82 40%, #09448b 100%) fixed !important;
    color: #ffffff !important;
    position: relative;
}

body.single-lms_course .site-main,
body.single-lms_exam_set .site-main,
body.single-lms_course .site-footer,
body.single-lms_exam_set .site-footer { position: relative; z-index: 1; }

body.single-lms_course .site-header,
body.single-lms_exam_set .site-header { z-index: 1000; }

/* Frosted glass styling across ALL pages (matching login screen aesthetic) */
.glass-card,
.course-set-item-card,
.speaking-accordion-box,
body.single-lms_course .glass-card,
body.single-lms_exam_set .glass-card {
    background: rgba(6, 20, 44, 0.72) !important;
    backdrop-filter: blur(24px) !important;
    -webkit-backdrop-filter: blur(24px) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.55), inset 0 1px 1px 0 rgba(255, 255, 255, 0.15) !important;
    border-radius: 20px !important;
}

/* ================================================================
   HIDE WORDPRESS ADMIN BAR
   ================================================================ */
#wpadminbar,.screen-reader-shortcut,a[href="#wp-toolbar"] {
    display: none !important; visibility: hidden !important;
    height: 0 !important; width: 0 !important;
    overflow: hidden !important; position: absolute !important;
    pointer-events: none !important;
}

/* ================================================================
   FOCUS STATES (WCAG)
   ================================================================ */
a:focus-visible,button:focus-visible,input:focus-visible,[role="button"]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

/* ================================================================
   PROGRESS BAR
   ================================================================ */
.progress-bar-wrap { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width 0.4s ease; }
.progress-bar-fill.success { background: var(--success); }
.progress-bar-fill.warning { background: var(--warning); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width:768px) {
    .site-nav { display: none !important; }
    .mobile-nav-toggle { display: flex !important; }
    /* .mobile-nav-drawer handled cleanly via .open class */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.375rem; }
    h3 { font-size: 1.125rem; }
    .prto-container { padding: 1.25rem 1rem; }
    .apple-btn { padding: 0.5rem 1rem; font-size: 0.875rem; }
}
@media (max-width:992px) {
    .exam-split-layout { flex-direction: column !important; width: 100% !important; gap: 1rem !important; }
    .exam-sidebar-sticky { width: 100% !important; min-width: 100% !important; max-width: 100% !important; position: static !important; top: auto !important; max-height: none !important; overflow-y: visible !important; margin-bottom: 0.75rem !important; }
    .exam-q-grid { grid-template-columns: repeat(8,1fr) !important; max-height: 110px !important; }
}
@media (max-width:640px) {
    .exam-q-grid { grid-template-columns: repeat(6,1fr); }
    .opt-choice-apple { padding: 0.875rem 1rem; }
    .reading-passage-text { font-size: 1rem; }
}
@media (hover:none) {
    .opt-choice-apple { min-height: 62px; }
    .apple-btn { min-height: 48px; }
    .q-nav-pill { min-height: 44px; height: auto; padding: 8px; }
    .apple-play-btn { width: 48px; height: 48px; min-width: 48px; }
}

#results-modal {
    position: fixed !important;
    inset: 0 !important;
    z-index: 100000 !important;
}
#lms-floating-toast {
    z-index: 100001 !important;
}

/* ================================================================
   TRANSPARENT FROSTED GLASS LOGIN CARD (MATCHING USER REFERENCE)
   ================================================================ */
body:not(.logged-in) {
    background: radial-gradient(circle at 50% 30%, #0d54a4 0%, #083b7e 45%, #052456 80%, #031636 100%) !important;
    min-height: 100vh;
}

body:not(.logged-in) .site-header {
    background: rgba(11, 30, 54, 0.45) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25) !important;
}

body:not(.logged-in) {
    background: radial-gradient(circle at 50% 30%, #0d54a4 0%, #083b7e 45%, #052456 80%, #031636 100%) !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body:not(.logged-in) .site-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
    position: relative;
    z-index: 5;
}

body:not(.logged-in) .site-header {
    background: rgba(8, 28, 56, 0.35) !important;
    backdrop-filter: blur(16px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(180%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
}

body:not(.logged-in) .site-header .site-title a,
body:not(.logged-in) .site-header .site-title span {
    color: #ffffff !important;
}

body:not(.logged-in) .site-header .apple-btn-primary {
    display: none !important;
}

body:not(.logged-in) .site-footer {
    background: rgba(8, 28, 56, 0.35) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.12) !important;
    color: rgba(255, 255, 255, 0.65) !important;
}

.login-glass-card {
    background: rgba(255, 255, 255, 0.12) !important;
    backdrop-filter: blur(20px) saturate(190%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(190%) !important;
    border: 1.5px solid rgba(255, 255, 255, 0.32) !important;
    box-shadow: 0 30px 65px -10px rgba(2, 14, 38, 0.45), 
                0 15px 25px -10px rgba(0, 0, 0, 0.3),
                inset 0 1px 1px 0 rgba(255, 255, 255, 0.5) !important;
    border-radius: 28px !important;
    padding: 2.25rem 2rem;
    width: 100% !important;
    box-sizing: border-box !important;
}

@media (max-width: 640px) {
    .login-glass-card {
        padding: 1.75rem 1.15rem !important;
        border-radius: 20px !important;
    }
}

@media (max-width: 380px) {
    .login-glass-card {
        padding: 1.4rem 0.85rem !important;
    }
}

[data-theme="dark"] .login-glass-card {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1.5px solid rgba(255, 255, 255, 0.25) !important;
    box-shadow: 0 35px 70px -12px rgba(0, 0, 0, 0.65), 
                inset 0 1px 1px 0 rgba(255, 255, 255, 0.35) !important;
}

.login-glass-card #loginform {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    margin: 0;
}

.login-glass-card #loginform p {
    margin: 0;
}

.login-glass-card #loginform label {
    color: #ffffff !important;
    font-size: 0.88rem !important;
    font-weight: 500 !important;
    margin-bottom: 0.4rem !important;
    display: block !important;
    letter-spacing: -0.01em;
}

.login-glass-card #loginform input[type="text"],
.login-glass-card #loginform input[type="password"] {
    background: #ffffff !important;
    color: #0f172a !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 0 1rem !important;
    font-size: 0.92rem !important;
    font-family: inherit !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    transition: all 0.2s ease !important;
    width: 100% !important;
    box-sizing: border-box !important;
    height: 44px !important;
}

.login-glass-card #loginform input[type="text"]::placeholder,
.login-glass-card #loginform input[type="password"]::placeholder {
    color: #94a3b8 !important;
    opacity: 1;
}

.login-glass-card #loginform input[type="text"]:focus,
.login-glass-card #loginform input[type="password"]:focus {
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.5) !important;
    outline: none !important;
}

.login-glass-card #loginform .login-remember {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-top: -0.2rem !important;
}

.login-glass-card #loginform .login-remember label {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 0.82rem !important;
    font-weight: 400 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 7px !important;
    margin: 0 !important;
}

.login-glass-card #loginform .login-remember input[type="checkbox"] {
    accent-color: #0284c7;
    width: 15px;
    height: 15px;
    cursor: pointer;
    margin: 0;
}

.login-glass-card .login-forgot-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 0.82rem !important;
    text-decoration: none !important;
    transition: color 0.15s ease;
}

.login-glass-card .login-forgot-link:hover {
    color: #ffffff !important;
    text-decoration: underline !important;
}

/* Sleek dark navy submit button like reference */
.login-glass-card #loginform #wp-submit {
    width: 100% !important;
    height: 44px !important;
    padding: 0 !important;
    background: #091a32 !important;
    color: #ffffff !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    border-radius: 8px !important;
    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    cursor: pointer !important;
    box-shadow: 0 8px 20px -3px rgba(0, 0, 0, 0.45) !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    margin-top: 0.25rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.login-glass-card #loginform #wp-submit:hover {
    background: #0d2548 !important;
    box-shadow: 0 12px 24px -3px rgba(0, 0, 0, 0.55) !important;
    transform: translateY(-1px) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
}


/* ========================================================
    MOBILE NAVIGATION (Hamburger & Slide-over Drawer)
   ======================================================== */
.mobile-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    cursor: pointer;
    font-size: 1.35rem;
    line-height: 1;
    transition: all 0.15s ease;
    flex-shrink: 0;
    position: relative;
    z-index: 1002;
    -webkit-tap-highlight-color: transparent;
}
.mobile-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.35);
}
.mobile-nav-toggle:active {
    transform: scale(0.94);
}

@media (max-width: 868px) {
    .site-nav {
        display: none !important;
    }
    .mobile-nav-toggle {
        display: inline-flex !important;
        margin-right: 0 !important;
        flex-shrink: 0 !important;
    }
    .site-header-inner {
        padding: 0 1rem !important;
        height: 56px !important;
        gap: 0.5rem !important;
    }
}

@media (max-width: 480px) {
    .site-header-inner {
        padding: 0 0.85rem !important;
    }
}

/* Mobile drawer - strictly hidden by default on all screens */
.mobile-nav-drawer {
    display: none !important;
    position: fixed !important;
    inset: 0 !important;
    z-index: 999999 !important;
    pointer-events: none !important;
}
.mobile-nav-drawer.open {
    display: block !important;
    pointer-events: all !important;
}

.mobile-nav-overlay {
    position: absolute;
    inset: 0;
    background: rgba(1, 8, 20, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.25s ease;
}
.mobile-nav-drawer.open .mobile-nav-overlay {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 290px;
    max-width: 85vw;
    background: rgba(7, 24, 48, 0.95);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-left: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: -15px 0 35px rgba(0, 0, 0, 0.6);
    padding: 1.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2;
}
.mobile-nav-drawer.open .mobile-nav-panel {
    transform: translateX(0);
}

.mobile-nav-close {
    align-self: flex-end;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}
.mobile-nav-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    color: #ffffff !important;
    text-decoration: none !important;
    font-size: 1rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.15s ease;
}
.mobile-nav-link:hover {
    background: rgba(56, 189, 248, 0.18);
    border-color: rgba(56, 189, 248, 0.45);
    color: #38bdf8 !important;
    transform: translateX(4px);
}


/* ==============================================================
   🖱️ FLOATING SELECTION TOOLBAR & TRANSLATION POPOVER STYLES
   ============================================================== */
#prto-selection-toolbar {
    position: fixed;
    z-index: 999999;
    display: none;
    align-items: center;
    gap: 5px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(0, 0, 0, 0.14);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16), 0 2px 6px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transform: scale(0.95) translateY(4px);
    opacity: 0;
    transition: transform 0.16s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.16s ease;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: auto;
}

[data-theme="dark"] #prto-selection-toolbar {
    background: rgba(15, 23, 42, 0.94);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.35);
}

#prto-selection-toolbar.prto-visible {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.prto-sel-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border: none;
    border-radius: 999px;
    padding: 5px 13px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    line-height: 1.25;
    transition: transform 0.12s ease, filter 0.15s ease, background-color 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    outline: none;
}
.prto-sel-btn:hover {
    filter: brightness(1.1);
    transform: scale(1.03);
}
.prto-sel-btn:active {
    transform: scale(0.96);
}

.prto-sel-btn-copy {
    background: #2563eb;
    color: #ffffff;
}
.prto-sel-btn-copy.copied {
    background: #16a34a !important;
}

.prto-sel-btn-translate {
    background: #6366f1;
    color: #ffffff;
}
.prto-sel-btn-translate:hover {
    background: #4f46e5;
}

/* Floating Translation Popover Card */
#prto-translation-popover {
    position: fixed;
    z-index: 1000000;
    display: none;
    width: 340px;
    max-width: calc(100vw - 24px);
    border-radius: 14px;
    padding: 13px 15px;
    background: #ffffff;
    color: #0f172a;
    border: 1px solid rgba(99, 102, 241, 0.35);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18), 0 4px 14px rgba(99, 102, 241, 0.15);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    animation: prtoFadeInUp 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: text;
    -webkit-user-select: text;
}

[data-theme="dark"] #prto-translation-popover {
    background: #0f172a;
    color: #f8fafc;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.7), 0 4px 18px rgba(99, 102, 241, 0.28);
}

@keyframes prtoFadeInUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.prto-popover-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.prto-popover-badge {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #6366f1;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
[data-theme="dark"] .prto-popover-badge {
    color: #818cf8;
}

.prto-popover-close {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.25rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    border-radius: 4px;
    transition: all 0.15s ease;
}
.prto-popover-close:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.12);
}

.prto-popover-source {
    font-size: 0.83rem;
    font-style: italic;
    color: #64748b;
    margin-bottom: 8px;
    border-left: 3px solid #6366f1;
    padding-left: 8px;
    line-height: 1.35;
    max-height: 55px;
    overflow-y: auto;
    word-break: break-word;
}
[data-theme="dark"] .prto-popover-source {
    color: #94a3b8;
    border-color: #818cf8;
}

.prto-popover-result {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.45;
    color: #0284c7;
    margin-bottom: 10px;
    min-height: 24px;
    word-break: break-word;
}
[data-theme="dark"] .prto-popover-result {
    color: #38bdf8;
}

.prto-popover-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    padding-top: 8px;
}

.prto-popover-tool-btn {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    border: 1px solid rgba(99, 102, 241, 0.28);
    border-radius: 6px;
    padding: 5px 11px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s ease;
}
[data-theme="dark"] .prto-popover-tool-btn {
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    border-color: rgba(99, 102, 241, 0.4);
}
.prto-popover-tool-btn:hover {
    background: #6366f1;
    color: #ffffff;
}

/* ====================================================
   Auto-sizing Dynamic Speaking Notes Textareas
   ==================================================== */
.spk-notes-area,
textarea[id^="spk-notes-"] {
    min-height: 80px;
    height: auto;
    overflow-y: hidden;
    resize: vertical;
    box-sizing: border-box;
    line-height: 1.55;
    transition: height 0.08s ease-out;
}

/* ================================================================
   SITE-WIDE TOP NOTIFICATION BAR
   ================================================================ */
.prto-top-notif-bar {
    width: 100%;
    position: relative;
    z-index: 1001;
    font-size: 0.84rem;
    line-height: 1.45;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
}
.prto-notif-container {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 7px 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.prto-notif-left {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.prto-notif-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.prto-notif-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 9px;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}
.prto-notif-title {
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.2px;
}
.prto-notif-sep {
    opacity: 0.55;
    margin: 0 1px;
    color: #ffffff;
}
.prto-notif-info {
    color: rgba(255, 255, 255, 0.92);
    font-weight: 400;
}
.prto-notif-link {
    color: #ffffff;
    text-decoration: underline;
    font-weight: 600;
    font-size: 0.82rem;
    margin-left: 4px;
    white-space: nowrap;
    transition: opacity 0.15s;
    display: inline-flex;
    align-items: center;
    padding: 6px 8px;
    min-height: 36px;
    touch-action: manipulation;
}
.prto-notif-link:hover {
    opacity: 0.85;
    text-decoration: none;
}
.prto-notif-admin-btn {
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 12px;
    min-height: 36px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
    white-space: nowrap;
    touch-action: manipulation;
}
.prto-notif-admin-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.55);
    transform: translateY(-1px);
}
.prto-notif-close {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.05rem;
    cursor: pointer;
    padding: 6px 12px;
    min-width: 36px;
    min-height: 36px;
    border-radius: 6px;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    touch-action: manipulation;
}
.prto-notif-close:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.2);
}

/* Themes */
.notif-theme-gold {
    background: linear-gradient(90deg, #78350f 0%, #b45309 35%, #92400e 70%, #451a03 100%);
    border-bottom: 1px solid rgba(251, 191, 36, 0.35);
}
.notif-theme-gold .prto-notif-badge {
    background: #fef3c7;
    color: #78350f;
    border: 1px solid #fde68a;
}

.notif-theme-blue {
    background: linear-gradient(90deg, #1e3a8a 0%, #1d4ed8 40%, #2563eb 70%, #172554 100%);
    border-bottom: 1px solid rgba(96, 165, 250, 0.35);
}
.notif-theme-blue .prto-notif-badge {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.notif-theme-green {
    background: linear-gradient(90deg, #064e3b 0%, #047857 40%, #059669 70%, #022c22 100%);
    border-bottom: 1px solid rgba(52, 211, 153, 0.35);
}
.notif-theme-green .prto-notif-badge {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.notif-theme-red {
    background: linear-gradient(90deg, #7f1d1d 0%, #b91c1c 40%, #dc2626 70%, #450a0a 100%);
    border-bottom: 1px solid rgba(248, 113, 113, 0.35);
}
.notif-theme-red .prto-notif-badge {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.notif-theme-dormant {
    background: #1e293b;
    border-bottom: 1px solid #334155;
    color: #94a3b8;
}
.notif-theme-dormant .prto-notif-badge {
    background: #334155;
    color: #cbd5e1;
    border: 1px solid #475569;
}
.notif-theme-dormant strong {
    color: #f1f5f9;
}

/* Modal Styling */
.prto-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
    animation: prtoModalFadeIn 0.2s ease;
}
@keyframes prtoModalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.prto-modal-dialog {
    background: #18181f;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 86vh;
    animation: prtoModalSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes prtoModalSlideUp {
    from { opacity: 0; transform: translateY(16px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.prto-modal-header {
    padding: 16px 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.02);
    flex-shrink: 0;
}
.prto-modal-close-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.3rem;
    cursor: pointer;
    border-radius: 6px;
    padding: 4px 8px;
    transition: all 0.15s;
    line-height: 1;
}
.prto-modal-close-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}
#prto-top-notif-form {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}
.prto-modal-body {
    padding: 16px 22px;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 13px;
    flex: 1 1 auto;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
}
.prto-modal-body::-webkit-scrollbar {
    width: 6px;
}
.prto-modal-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 4px;
}
.prto-modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.25);
    border-radius: 4px;
}
.prto-modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}
.prto-form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.prto-form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #e2e8f0;
}
.prto-form-input,
.prto-form-textarea {
    background: #0f1015;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.9rem;
    color: #ffffff;
    font-family: inherit;
    transition: all 0.2s;
    outline: none;
}
.prto-form-input:focus,
.prto-form-textarea:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}
.prto-status-toggle-row {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.prto-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.prto-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.prto-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #475569;
    transition: .3s;
    border-radius: 24px;
}
.prto-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}
.prto-switch input:checked + .prto-slider {
    background-color: #10b981;
}
.prto-switch input:checked + .prto-slider:before {
    transform: translateX(20px);
}
.prto-theme-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
.prto-theme-chip {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 6px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.15s;
    text-align: center;
    user-select: none;
}
.prto-theme-chip input {
    display: none;
}
.theme-chip-gold {
    background: #78350f;
    color: #fef3c7;
}
.theme-chip-blue {
    background: #1e3a8a;
    color: #dbeafe;
}
.theme-chip-green {
    background: #064e3b;
    color: #d1fae5;
}
.theme-chip-red {
    background: #7f1d1d;
    color: #fee2e2;
}
.prto-theme-chip:has(input:checked) {
    border-color: #ffffff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4);
    transform: scale(1.02);
}
.prto-modal-footer {
    padding: 14px 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    background: #14141a;
    flex-shrink: 0;
    z-index: 10;
}
.prto-btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}
.prto-btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.45);
}
.prto-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.prto-btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #cbd5e1;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
.prto-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

@media (max-width: 768px) {
    .prto-notif-container {
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 1rem;
        gap: 6px;
    }
    .prto-notif-right {
        align-self: flex-end;
        margin-top: -24px;
    }
    .prto-theme-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ================================================================
   CATEGORY FILTER PILLS & RAMOTION QUESTION CARDS (WRITING & SPEAKING)
   ================================================================ */
html {
    overflow-y: scroll !important;
}

.cat-filter-pill {
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid rgba(255, 255, 255, 0.18);
    color: var(--text-main);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 20px;
    white-space: nowrap;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: none !important;
    outline: none !important;
}
.cat-filter-pill:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
}
.cat-filter-pill.active {
    background: #6366f1 !important;
    border: 1.5px solid #6366f1 !important;
    color: #ffffff !important;
    box-shadow: none !important;
    outline: none !important;
}
.cat-filter-pill:focus,
.cat-filter-pill:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

.category-section {
    width: 100% !important;
    margin-bottom: 2.5rem !important;
    box-sizing: border-box !important;
}

.ramotion-cat-card {
    background: rgba(15, 23, 42, 0.65) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 14px !important;
    overflow: hidden !important;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3) !important;
    backdrop-filter: blur(12px) !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.ramotion-cat-header {
    background: linear-gradient(180deg, #111827 0%, #0f172a 100%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 1.2rem 1.75rem !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.ramotion-cat-part-label {
    font-size: 0.74rem !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: #eab308 !important;
    margin-bottom: 3px !important;
}

.ramotion-cat-title {
    font-size: 1.15rem !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin: 0 !important;
}

.category-questions-body {
    width: 100% !important;
    box-sizing: border-box !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 1.75rem !important;
    padding: 1.5rem !important;
}

/* INDIVIDUAL TOPIC CARDS - DISTINCT, SPACED, AND 100% UNIFORM WIDTH */
.ramotion-q-row,
.speaking-list-item,
.writing-list-item.ramotion-q-row {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    gap: 1.25rem !important;
    padding: 1.5rem 1.75rem !important;
    background: rgba(15, 23, 42, 0.7) !important;
    border: 1px solid rgba(255, 255, 255, 0.09) !important;
    border-radius: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease !important;
}

.ramotion-q-row:hover,
.speaking-list-item:hover,
.writing-list-item.ramotion-q-row:hover {
    background: rgba(15, 23, 42, 0.9) !important;
    border-color: rgba(56, 189, 248, 0.35) !important;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35) !important;
}

.ramotion-num-badge {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    max-width: 38px !important;
    background: #090d16 !important;
    border: 1.5px solid rgba(255, 255, 255, 0.25) !important;
    border-radius: 8px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 0.95rem !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin-top: 2px !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5) !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
}

.ramotion-q-content {
    flex: 1 1 0% !important;
    min-width: 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.ramotion-q-fr {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.55;
    margin-bottom: 5px;
}
.ramotion-q-en {
    font-size: 0.94rem;
    font-weight: 500;
    color: #38bdf8;
    line-height: 1.5;
}
.ramotion-q-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    flex-wrap: wrap;
    margin-top: 2px;
}

#speaking-questions-list-container,
#writing-all-questions-section {
    width: 100% !important;
    box-sizing: border-box !important;
}

/* ================================================================
   📅 WEEKLY PRACTICE & CONJUGATION DRILL STYLES
   ================================================================ */
.tense-overview-card {
    position: relative;
    overflow: hidden;
}
.tense-overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #38bdf8, #818cf8, #c084fc);
}

.tense-blank-highlight {
    display: inline-block;
    min-width: 90px;
    border-bottom: 2.5px dashed #38bdf8;
    color: #93c5fd;
    font-weight: 800;
    text-align: center;
    padding: 0 8px;
    margin: 0 4px;
    transition: all 0.25s ease;
}

.apple-tense-input:focus {
    outline: none !important;
    border-color: #38bdf8 !important;
    background: rgba(15, 23, 42, 0.85) !important;
    box-shadow: 0 0 16px rgba(56, 189, 248, 0.25) !important;
}

.tense-feedback-box {
    animation: fadeInTense 0.25s ease forwards;
}

@keyframes fadeInTense {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.tense-item-card {
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.tense-item-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Mobile Responsiveness & iOS Auto-Zoom Prevention */
@media (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="search"],
    input[type="number"],
    textarea,
    select,
    .prto-form-input,
    .prto-form-textarea {
        font-size: 16px !important;
    }
}

/* ================================================================
   SPEAKING & ACCORDION MODULE RESPONSIVE STYLES
   ================================================================ */
.sp-phase-card,
.sp-roadmap-card {
    padding: 1.75rem 2rem;
    border-radius: var(--radius-md);
    transition: padding 0.2s ease;
}
.sp-phase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.85rem;
    cursor: pointer;
    transition: opacity 0.2s ease;
}
.speaking-accordion-box {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(15, 23, 42, 0.45);
    margin-bottom: 10px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.speaking-accordion-box:hover {
    border-color: rgba(255, 255, 255, 0.18);
}
.speaking-accordion-header {
    padding: 1.1rem 1.35rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s ease;
}
.speaking-accordion-header:hover {
    background: rgba(255, 255, 255, 0.04);
}
.speaking-accordion-content {
    display: none;
    padding: 0.85rem 1.25rem 1.25rem 1.25rem;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.18);
}

/* Individual Part / Section Row */
.speaking-accordion-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
    padding: 0.85rem 1.15rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    gap: 16px;
    box-sizing: border-box;
    transition: all 0.2s ease;
}
.speaking-accordion-row:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(96, 165, 250, 0.35);
}
.speaking-row-main {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1 1 auto;
}
.speaking-row-icon {
    color: #60a5fa;
    font-size: 1.1rem;
    flex-shrink: 0;
    line-height: 1;
}
.speaking-row-info {
    min-width: 0;
    flex: 1 1 auto;
}
.speaking-row-title {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.4;
    word-break: break-word;
}
.speaking-row-range {
    color: #94a3b8;
    font-weight: 500;
    font-size: 0.88rem;
    display: inline-block;
}
.speaking-row-sub {
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: 3px;
    line-height: 1.35;
}
.speaking-row-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.speaking-row-pill {
    font-size: 0.78rem !important;
    padding: 3px 10px !important;
    white-space: nowrap !important;
    font-weight: 600 !important;
}
.speaking-row-btn {
    font-size: 0.82rem !important;
    padding: 6px 16px !important;
    white-space: nowrap !important;
    font-weight: 700 !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
}

/* Mobile Viewport Optimizations (<= 640px) */
@media (max-width: 640px) {
    .glass-card.sp-phase-card,
    .glass-card.sp-roadmap-card {
        padding: 1.1rem 0.85rem !important;
    }
    .sp-phase-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
    .sp-phase-header > div:last-child {
        width: 100% !important;
        justify-content: space-between !important;
    }
    .speaking-accordion-header {
        padding: 0.85rem 0.95rem !important;
    }
    .speaking-accordion-content {
        padding: 0.75rem 0.65rem 0.95rem 0.65rem !important;
    }
    .speaking-accordion-row {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
        padding: 0.85rem 0.9rem !important;
    }
    .speaking-row-main {
        align-items: flex-start !important;
        gap: 10px !important;
        width: 100% !important;
    }
    .speaking-row-icon {
        margin-top: 2px !important;
        font-size: 1rem !important;
    }
    .speaking-row-title {
        font-size: 0.92rem !important;
        line-height: 1.4 !important;
    }
    .speaking-row-sub {
        font-size: 0.75rem !important;
        margin-top: 4px !important;
    }
    .speaking-row-actions {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 10px !important;
        width: 100% !important;
        padding-top: 9px !important;
        border-top: 1px dashed rgba(255, 255, 255, 0.1) !important;
        margin-top: 2px !important;
    }
    .speaking-row-pill {
        font-size: 0.75rem !important;
        padding: 3px 8px !important;
    }
    .speaking-row-btn {
        flex: 0 1 auto !important;
        min-width: 130px !important;
        justify-content: center !important;
        text-align: center !important;
        padding: 7px 14px !important;
        font-size: 0.8rem !important;
    }
}

/* ================================================================
   GLOBAL DESKTOP FLOATING STUDY NOTEPAD
   ================================================================ */
/* Completely hidden on mobile & tablets AND for logged-out / guest users */
@media (max-width: 1024px) {
    #prto-floating-notepad,
    #prto-fn-launcher {
        display: none !important;
    }
}

body:not(.logged-in) #prto-floating-notepad,
body:not(.logged-in) #prto-fn-launcher,
body.prto-expired-member #prto-floating-notepad,
body.prto-expired-member #prto-fn-launcher,
body:not(.prto-active-member) #prto-floating-notepad,
body:not(.prto-active-member) #prto-fn-launcher {
    display: none !important;
}

@media (min-width: 1025px) {
    .prto-floating-notepad {
        position: fixed;
        width: 340px;
        height: 380px;
        min-width: 260px;
        min-height: 180px;
        max-width: calc(100vw - 40px);
        max-height: calc(100vh - 40px);
        background: rgba(11, 20, 38, 0.94);
        border: 1px solid rgba(56, 189, 248, 0.35);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 25px rgba(56, 189, 248, 0.12);
        border-radius: 14px;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        z-index: 99999;
        resize: both;
        overflow: hidden;
        box-sizing: border-box;
    }

    .prto-floating-notepad.is-dragging {
        user-select: none;
        opacity: 0.95;
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(56, 189, 248, 0.3);
    }

    .prto-floating-notepad.is-collapsed {
        height: 44px !important;
        min-height: 44px !important;
        resize: none !important;
    }

    .prto-fn-header {
        background: linear-gradient(180deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.92) 100%);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 9px 12px;
        cursor: grab;
        display: flex;
        align-items: center;
        justify-content: space-between;
        user-select: none;
        box-sizing: border-box;
    }

    .prto-fn-header:active {
        cursor: grabbing;
    }

    .prto-fn-title-group {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .prto-fn-icon {
        font-size: 15px;
        line-height: 1;
    }

    .prto-fn-title {
        font-size: 12px;
        font-weight: 800;
        letter-spacing: 0.04em;
        color: #f8fafc;
        text-transform: uppercase;
    }

    .prto-fn-badge {
        font-size: 10px;
        font-weight: 700;
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        padding: 1px 6px;
        border-radius: 4px;
        color: #34d399;
        background: rgba(16, 185, 129, 0.15);
        border: 1px solid rgba(16, 185, 129, 0.3);
        transition: all 0.2s ease;
    }

    .prto-fn-badge.is-saving {
        color: #fbbf24;
        background: rgba(245, 158, 11, 0.15);
        border-color: rgba(245, 158, 11, 0.35);
    }

    .prto-fn-controls {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .prto-fn-btn {
        width: 26px;
        height: 26px;
        border-radius: 6px;
        border: none;
        background: transparent;
        color: #94a3b8;
        font-size: 12px;
        font-weight: 700;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background 0.15s ease, color 0.15s ease;
        padding: 0;
    }

    .prto-fn-btn:hover {
        background: rgba(255, 255, 255, 0.12);
        color: #ffffff;
    }

    .prto-fn-btn-close:hover {
        background: rgba(239, 68, 68, 0.85);
        color: #ffffff;
    }

    .prto-fn-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        background: transparent;
    }

    .prto-fn-textarea {
        flex: 1;
        width: 100%;
        background: transparent;
        border: none;
        outline: none;
        resize: none;
        padding: 12px 14px;
        color: #f1f5f9;
        font-size: 13.5px;
        line-height: 1.6;
        font-family: inherit;
        box-sizing: border-box;
    }

    .prto-fn-textarea::placeholder {
        color: #64748b;
        font-size: 12.5px;
    }

    .prto-fn-textarea::-webkit-scrollbar {
        width: 6px;
    }

    .prto-fn-textarea::-webkit-scrollbar-track {
        background: transparent;
    }

    .prto-fn-textarea::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.18);
        border-radius: 4px;
    }

    .prto-fn-textarea::-webkit-scrollbar-thumb:hover {
        background: rgba(255, 255, 255, 0.35);
    }

    .prto-fn-footer {
        background: rgba(15, 23, 42, 0.9);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 6px 12px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 11.5px;
        color: #94a3b8;
        box-sizing: border-box;
    }

    .prto-fn-stats {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .prto-fn-sep {
        opacity: 0.5;
    }

    .prto-fn-copy-btn {
        background: transparent;
        border: none;
        color: #38bdf8;
        font-size: 11.5px;
        font-weight: 700;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 2px 6px;
        border-radius: 4px;
        transition: background 0.15s ease, color 0.15s ease;
    }

    .prto-fn-copy-btn:hover {
        background: rgba(56, 189, 248, 0.15);
        color: #7dd3fc;
    }

    .prto-fn-resize-handle {
        position: absolute;
        bottom: 2px;
        right: 2px;
        width: 12px;
        height: 12px;
        pointer-events: none;
        opacity: 0.5;
        background: linear-gradient(135deg, transparent 50%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.4) 60%, transparent 60%, transparent 75%, rgba(255, 255, 255, 0.4) 75%);
    }

    /* Floating Launcher Button */
    .prto-fn-launcher {
        position: fixed;
        bottom: calc(24px + env(safe-area-inset-bottom, 0px));
        left: calc(24px + env(safe-area-inset-left, 0px));
        right: auto;
        background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
        color: #ffffff;
        padding: 9px 16px;
        border-radius: 9999px;
        display: inline-flex;
        align-items: center;
        gap: 7px;
        font-weight: 700;
        font-size: 13px;
        box-shadow: 0 10px 25px rgba(37, 99, 235, 0.5);
        cursor: grab;
        user-select: none;
        -webkit-user-select: none;
        touch-action: none;
        border: 1px solid rgba(255, 255, 255, 0.25);
        transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 99998;
    }

    .prto-fn-launcher:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 30px rgba(37, 99, 235, 0.65);
    }
    .prto-fn-launcher:active {
        cursor: grabbing;
    }
}

/* ================================================================
   TCF MODEL ANSWER TIGHT & PROPORTIONAL SPACING FIX
   ================================================================ */
.prto-model-answer-card,
.prto-model-answer-card *,
div[id^="teacher-note-text-"]:has(div),
div[id^="teacher-note-text-"]:has(p),
div[id^="practice-teacher-note-text-"]:has(div),
div[id^="practice-teacher-note-text-"]:has(p),
div[id^="teacher-spk-note-text-"]:has(div),
div[id^="teacher-spk-note-text-"]:has(p) {
    white-space: normal !important;
}

.prto-model-answer-card p {
    margin: 0 0 0.85rem 0 !important;
    line-height: 1.7 !important;
}

.prto-model-answer-card p:last-child {
    margin-bottom: 0 !important;
}

.prto-model-answer-card div[style*="display: flex"],
.prto-model-answer-card div[style*="display:flex"] {
    white-space: normal !important;
}

/* ================================================================
   RESPONSIVE MOBILE SAFEGUARDS & OVERFLOW PREVENTION
   ================================================================ */
@media (max-width: 768px) {
    #prto-teacher-upload-card {
        padding: 1.25rem 1rem !important;
        box-sizing: border-box !important;
    }
    #prto-teacher-material-form select,
    #prto-teacher-material-form input {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    #submit-exam-btn {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0.85rem 1rem !important;
        font-size: 0.95rem !important;
        white-space: normal !important;
        text-align: center !important;
        justify-content: center !important;
        box-sizing: border-box !important;
    }
    #prto-materials-grid {
        grid-template-columns: 1fr !important;
    }
    .prto-material-card {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
}

/* ================================================================
   ⬆️ BACK TO TOP BUTTON (LIGHT BLUE, DRAGGABLE & FREELY POSITIONABLE)
   ================================================================ */
.prto-back-to-top {
    position: fixed;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    left: calc(240px + env(safe-area-inset-left, 0px));
    right: auto;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.45), 0 2px 8px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 99990;
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px) scale(0.95);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.25s,
                transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                background 0.25s ease,
                border-color 0.25s ease,
                box-shadow 0.25s ease;
    padding: 0;
    margin: 0;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: none;
    touch-action: none;
}

[data-theme="light"] .prto-back-to-top {
    background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 22px rgba(14, 165, 233, 0.4);
}

.prto-back-to-top.prto-btt-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.prto-back-to-top:hover {
    background: linear-gradient(135deg, #0284c7 0%, #1d4ed8 100%);
    color: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 14px 32px rgba(14, 165, 233, 0.65), 0 4px 14px rgba(29, 78, 216, 0.4);
    transform: translateY(-3px) scale(1.08);
}

[data-theme="light"] .prto-back-to-top:hover {
    background: linear-gradient(135deg, #0284c7 0%, #1d4ed8 100%);
    color: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 14px 32px rgba(14, 165, 233, 0.65);
}

.prto-back-to-top:active {
    transform: translateY(0) scale(0.96);
    transition-duration: 0.1s;
}

.prto-back-to-top.prto-btt-dragging {
    cursor: grabbing !important;
    transition: none !important;
    transform: scale(1.12) !important;
    box-shadow: 0 16px 36px rgba(14, 165, 233, 0.75), 0 0 0 5px rgba(56, 189, 248, 0.45) !important;
}

.prto-back-to-top:focus-visible {
    outline: 2px solid #38bdf8;
    outline-offset: 3px;
}

.prto-back-to-top svg {
    display: block;
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2.6;
    fill: none;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.prto-back-to-top:hover svg {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .prto-back-to-top {
        width: 44px;
        height: 44px;
    }
    .prto-back-to-top svg {
        width: 19px;
        height: 19px;
    }
}

@media print {
    .prto-back-to-top {
        display: none !important;
    }
}

/* ================================================================
   🔥 NEW TEST STICKER & BADGE (Apple Glassmorphism Style)
   ================================================================ */
.sticker-new {
    display: inline-flex;
    align-items: center;
    gap: 3.5px;
    background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
    color: #ffffff !important;
    font-size: 0.65rem;
    font-weight: 800;
    line-height: 1;
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 2px 10px rgba(239, 68, 68, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.3);
    white-space: nowrap;
    vertical-align: middle;
    animation: sticker-pulse 2.5s infinite ease-in-out;
}

@keyframes sticker-pulse {
    0%, 100% {
        box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 2px 14px rgba(249, 115, 22, 0.65);
        transform: scale(1.04);
    }
}

.is-new-test-card {
    position: relative;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.is-new-test-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(249, 115, 22, 0.25) !important;
    border-color: rgba(249, 115, 22, 0.7) !important;
}