/* ==========================================
   CISA EĞİTİM PLATFORMU - ADHD DOSTU TEMA
   ========================================== */

:root {
    /* ADHD-Friendly Color Palette - High Contrast, Calming */
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f0f2f8;
    --bg-accent: #eef1ff;

    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8888a8;
    --text-inverse: #ffffff;

    --accent-1: #6c5ce7;  /* Purple - Domain 1 */
    --accent-2: #0984e3;  /* Blue - Domain 2 */
    --accent-3: #00b894;  /* Green - Domain 3 */
    --accent-4: #e17055;  /* Orange - Domain 4 */
    --accent-5: #d63031;  /* Red - Domain 5 */

    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #d63031;
    --info: #0984e3;

    --xp-bar: linear-gradient(90deg, #6c5ce7, #a29bfe);
    --border: #e0e0ee;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;

    --sidebar-width: 300px;
    --topbar-height: 60px;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --transition: all 0.2s ease;
}

/* DARK MODE */
body.dark {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #1e1e36;
    --bg-hover: #2a2a4a;
    --bg-accent: #252548;

    --text-primary: #e8e8f0;
    --text-secondary: #b0b0cc;
    --text-muted: #6a6a8a;

    --border: #2a2a4a;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ==========================================
   SPLASH SCREEN
   ========================================== */
.splash {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: splashFade 0.5s ease 2.5s forwards;
}

@keyframes splashFade {
    to { opacity: 0; pointer-events: none; }
}

.splash-content {
    text-align: center;
    color: white;
}

.splash-icon {
    font-size: 80px;
    animation: splashBounce 1s ease infinite;
}

@keyframes splashBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.splash h1 {
    font-size: 2.5rem;
    font-weight: 900;
    margin: 20px 0 8px;
    letter-spacing: 2px;
}

.splash-sub {
    font-size: 1.1rem;
    opacity: 0.7;
    margin-bottom: 30px;
}

.splash-bar {
    width: 300px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    margin: 0 auto 15px;
    overflow: hidden;
}

.splash-fill {
    height: 100%;
    background: linear-gradient(90deg, #6c5ce7, #a29bfe);
    border-radius: 2px;
    animation: splashLoad 2s ease forwards;
}

@keyframes splashLoad {
    from { width: 0; }
    to { width: 100%; }
}

.splash-tip {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* ==========================================
   TOP BAR
   ========================================== */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-center {
    flex: 1;
    max-width: 400px;
    margin: 0 24px;
}

.menu-btn {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: var(--transition);
}

.menu-btn:hover { background: var(--bg-hover); }

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--accent-1);
}

.streak-badge {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    animation: streakPulse 2s ease infinite;
}

@keyframes streakPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.xp-bar-container {
    position: relative;
    height: 24px;
    background: var(--bg-hover);
    border-radius: 12px;
    overflow: hidden;
}

.xp-bar {
    height: 100%;
    background: var(--xp-bar);
    border-radius: 12px;
    transition: width 0.5s ease;
    width: 0%;
}

.xp-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 0 4px var(--bg-secondary);
}

.icon-btn {
    background: none;
    border: 2px solid transparent;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border);
    transform: translateY(-1px);
}

/* ==========================================
   POMODORO TIMER
   ========================================== */
.pomodoro {
    position: fixed;
    top: var(--topbar-height);
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    text-align: center;
    min-width: 280px;
}

#pomoTime {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-1);
    display: block;
    margin-bottom: 10px;
}

.pomo-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 12px;
}

.pomo-controls button {
    background: var(--bg-hover);
    border: none;
    font-size: 1.3rem;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.pomo-controls button:hover { background: var(--bg-accent); }

.pomo-modes {
    display: flex;
    gap: 6px;
}

.pomo-mode {
    flex: 1;
    background: var(--bg-hover);
    border: 2px solid transparent;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.pomo-mode.active {
    border-color: var(--accent-1);
    background: var(--bg-accent);
    color: var(--accent-1);
}

/* ==========================================
   SIDEBAR
   ========================================== */
.main-layout {
    display: flex;
    margin-top: var(--topbar-height);
    min-height: calc(100vh - var(--topbar-height));
}

.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 16px;
    overflow-y: auto;
    height: calc(100vh - var(--topbar-height));
    position: sticky;
    top: var(--topbar-height);
    transition: var(--transition);
}

.sidebar.collapsed {
    margin-left: calc(-1 * var(--sidebar-width));
}

.sidebar-section {
    margin-bottom: 20px;
}

.sidebar-section h3 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
    padding-left: 8px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.nav-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateX(3px);
}

.nav-btn.active {
    background: var(--bg-accent);
    border-color: var(--accent-1);
    color: var(--accent-1);
    font-weight: 700;
}

.nav-icon { font-size: 1.1rem; }

.nav-label { flex: 1; font-size: 0.82rem; }

.domain-pct {
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--bg-hover);
    padding: 2px 8px;
    border-radius: 10px;
    color: var(--text-muted);
}

.domain-btn[data-domain="0"]:hover, .domain-btn[data-domain="0"].active { border-color: var(--accent-1); color: var(--accent-1); }
.domain-btn[data-domain="1"]:hover, .domain-btn[data-domain="1"].active { border-color: var(--accent-2); color: var(--accent-2); }
.domain-btn[data-domain="2"]:hover, .domain-btn[data-domain="2"].active { border-color: var(--accent-3); color: var(--accent-3); }
.domain-btn[data-domain="3"]:hover, .domain-btn[data-domain="3"].active { border-color: var(--accent-4); color: var(--accent-4); }
.domain-btn[data-domain="4"]:hover, .domain-btn[data-domain="4"].active { border-color: var(--accent-5); color: var(--accent-5); }

.mini-progress {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mini-prog-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
}

.mini-prog-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-hover);
    border-radius: 3px;
    overflow: hidden;
}

.mini-prog-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* ==========================================
   CONTENT AREA
   ========================================== */
.content {
    flex: 1;
    padding: 24px;
    max-width: 1200px;
    overflow-y: auto;
}

/* DASHBOARD */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* CARD STYLES */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* DOMAIN CARDS */
.domain-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.domain-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.domain-card.d0 { border-left: 5px solid var(--accent-1); }
.domain-card.d1 { border-left: 5px solid var(--accent-2); }
.domain-card.d2 { border-left: 5px solid var(--accent-3); }
.domain-card.d3 { border-left: 5px solid var(--accent-4); }
.domain-card.d4 { border-left: 5px solid var(--accent-5); }

.domain-card .domain-num {
    font-size: 3rem;
    font-weight: 900;
    opacity: 0.1;
    position: absolute;
    top: 10px;
    right: 20px;
}

.domain-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.domain-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.domain-card .progress-bar {
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.domain-card .progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.d0 .progress-fill { background: var(--accent-1); }
.d1 .progress-fill { background: var(--accent-2); }
.d2 .progress-fill { background: var(--accent-3); }
.d3 .progress-fill { background: var(--accent-4); }
.d4 .progress-fill { background: var(--accent-5); }

.domain-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* LESSON VIEW */
.lesson-container {
    max-width: 800px;
}

.lesson-header {
    margin-bottom: 24px;
}

.lesson-breadcrumb {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.lesson-breadcrumb a {
    color: var(--accent-1);
    text-decoration: none;
    cursor: pointer;
}

.lesson-breadcrumb a:hover { text-decoration: underline; }

.lesson-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.lesson-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.lesson-content {
    line-height: 1.8;
}

.lesson-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 24px 0 12px;
    padding-left: 12px;
    border-left: 4px solid var(--accent-1);
}

.lesson-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 18px 0 8px;
}

.lesson-content p {
    margin-bottom: 14px;
    color: var(--text-secondary);
}

.lesson-content ul, .lesson-content ol {
    margin: 10px 0 14px 20px;
    color: var(--text-secondary);
}

.lesson-content li {
    margin-bottom: 6px;
}

/* INFO BOXES */
.info-box {
    border-radius: var(--radius);
    padding: 16px 20px;
    margin: 16px 0;
    border-left: 4px solid;
    font-size: 0.9rem;
}

.info-box.tip {
    background: #eef9ee;
    border-color: var(--success);
    color: #2d6a2d;
}

.info-box.warning {
    background: #fff8e1;
    border-color: var(--warning);
    color: #7a6000;
}

.info-box.danger {
    background: #ffeef0;
    border-color: var(--danger);
    color: #8b1a1a;
}

.info-box.info {
    background: #e8f4fd;
    border-color: var(--info);
    color: #1a5276;
}

.info-box.exam {
    background: #f3e8ff;
    border-color: var(--accent-1);
    color: #4a2d7a;
}

body.dark .info-box.tip { background: #1a3a1a; color: #8fdf8f; }
body.dark .info-box.warning { background: #3a3010; color: #ffd866; }
body.dark .info-box.danger { background: #3a1a1a; color: #ff8888; }
body.dark .info-box.info { background: #1a2a3a; color: #88ccff; }
body.dark .info-box.exam { background: #2a1a3a; color: #c4a8ff; }

.info-box strong {
    display: block;
    margin-bottom: 4px;
}

/* VISUAL DIAGRAMS */
.diagram-box {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 20px 0;
    text-align: center;
}

.diagram-box h4 {
    margin-bottom: 16px;
    font-weight: 700;
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
}

.flow-step {
    background: var(--bg-accent);
    border: 2px solid var(--accent-1);
    border-radius: var(--radius-sm);
    padding: 12px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-1);
    transition: var(--transition);
    min-width: 120px;
}

.flow-step:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.flow-arrow {
    font-size: 1.4rem;
    color: var(--text-muted);
}

.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 16px 0;
    font-size: 0.85rem;
}

.comparison-table th {
    background: var(--bg-accent);
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    border-bottom: 2px solid var(--accent-1);
}

.comparison-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.comparison-table tr:hover td {
    background: var(--bg-hover);
}

/* QUIZ STYLES */
.quiz-container {
    max-width: 700px;
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.quiz-progress {
    display: flex;
    gap: 4px;
}

.quiz-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-hover);
    transition: var(--transition);
}

.quiz-dot.correct { background: var(--success); }
.quiz-dot.wrong { background: var(--danger); }
.quiz-dot.current { background: var(--accent-1); transform: scale(1.3); }

.quiz-question {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.5;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.quiz-option:hover {
    border-color: var(--accent-1);
    background: var(--bg-accent);
    transform: translateX(4px);
}

.quiz-option.selected {
    border-color: var(--accent-1);
    background: var(--bg-accent);
}

.quiz-option.correct {
    border-color: var(--success);
    background: #eef9ee;
    animation: correctPulse 0.5s ease;
}

.quiz-option.wrong {
    border-color: var(--danger);
    background: #ffeef0;
    animation: wrongShake 0.5s ease;
}

body.dark .quiz-option.correct { background: #1a3a1a; }
body.dark .quiz-option.wrong { background: #3a1a1a; }

@keyframes correctPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes wrongShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.quiz-option-letter {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.quiz-explanation {
    background: var(--bg-accent);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.quiz-explanation strong {
    color: var(--text-primary);
}

/* FLASHCARD */
.flashcard-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.flashcard {
    width: 500px;
    max-width: 100%;
    height: 320px;
    perspective: 1000px;
    cursor: pointer;
}

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}

.flashcard-front, .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    text-align: center;
}

.flashcard-front {
    background: linear-gradient(135deg, var(--accent-1), #a29bfe);
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.flashcard-back {
    background: var(--bg-card);
    border: 2px solid var(--accent-1);
    transform: rotateY(180deg);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    box-shadow: var(--shadow-lg);
}

.flashcard-hint {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 16px;
}

.flashcard-controls {
    display: flex;
    gap: 12px;
}

.flashcard-controls button {
    padding: 10px 24px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.flashcard-controls button:hover {
    border-color: var(--accent-1);
    background: var(--bg-accent);
}

.flashcard-controls button.know {
    border-color: var(--success);
    color: var(--success);
}

.flashcard-controls button.dont-know {
    border-color: var(--danger);
    color: var(--danger);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--accent-1);
    color: white;
}

.btn-primary:hover { background: #5b4bc6; }

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--bg-accent); }

.btn-success {
    background: var(--success);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* EXAM SIMULATION */
.exam-timer {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-1);
    text-align: center;
    padding: 8px 16px;
    background: var(--bg-accent);
    border-radius: var(--radius-sm);
}

.exam-timer.warning { color: var(--warning); }
.exam-timer.danger { color: var(--danger); animation: timerPulse 1s ease infinite; }

@keyframes timerPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* MIND MAP */
.mindmap-container {
    position: relative;
    min-height: 500px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: auto;
    padding: 40px;
}

.mindmap-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--accent-1);
    color: white;
    padding: 20px 32px;
    border-radius: var(--radius-lg);
    font-weight: 800;
    font-size: 1.1rem;
    z-index: 2;
    white-space: nowrap;
}

.mindmap-branch {
    position: absolute;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
    border: 2px solid;
    background: var(--bg-card);
    z-index: 2;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
}

.mindmap-branch:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.mindmap-svg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* CHEAT SHEET */
.cheatsheet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.cheatsheet-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    font-size: 0.85rem;
}

.cheatsheet-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent-1);
}

.cheatsheet-item ul {
    list-style: none;
    padding: 0;
}

.cheatsheet-item li {
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.cheatsheet-item li:last-child { border: none; }

/* TAG / BADGE */
.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-purple { background: #f0ecff; color: var(--accent-1); }
.tag-blue { background: #e8f4fd; color: var(--accent-2); }
.tag-green { background: #e8faf3; color: var(--accent-3); }
.tag-orange { background: #fff0eb; color: var(--accent-4); }
.tag-red { background: #ffeef0; color: var(--accent-5); }

body.dark .tag-purple { background: #2a1a4a; }
body.dark .tag-blue { background: #1a2a4a; }
body.dark .tag-green { background: #1a3a2a; }
body.dark .tag-orange { background: #3a2a1a; }
body.dark .tag-red { background: #3a1a1a; }

/* LESSON LIST */
.lesson-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.lesson-item:hover {
    border-color: var(--accent-1);
    transform: translateX(4px);
    box-shadow: var(--shadow);
}

.lesson-item.completed {
    border-left: 4px solid var(--success);
}

.lesson-check {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.lesson-item.completed .lesson-check {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.lesson-info { flex: 1; }
.lesson-info h4 { font-size: 0.95rem; font-weight: 600; }
.lesson-info p { font-size: 0.8rem; color: var(--text-muted); }

.lesson-duration {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* RESULTS */
.results-container {
    text-align: center;
    padding: 40px;
}

.results-score {
    font-size: 4rem;
    font-weight: 900;
    margin: 20px 0;
}

.results-score.pass { color: var(--success); }
.results-score.fail { color: var(--danger); }

.results-bar {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin: 20px 0;
}

.results-bar-item {
    width: 16px;
    height: 40px;
    border-radius: 4px;
}

.results-bar-item.correct { background: var(--success); }
.results-bar-item.wrong { background: var(--danger); }

/* MODAL */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5000;
    backdrop-filter: blur(4px);
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--bg-hover);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-primary);
}

.modal-close:hover { background: var(--danger); color: white; }

/* ACHIEVEMENT POPUP */
.achievement-popup {
    position: fixed;
    top: 80px;
    right: 20px;
    background: linear-gradient(135deg, #f9ca24, #f0932b);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 6000;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: achieveIn 0.5s ease;
}

@keyframes achieveIn {
    from { transform: translateX(120%); }
    to { transform: translateX(0); }
}

.achievement-icon { font-size: 2rem; }
.achievement-text { font-weight: 700; font-size: 0.95rem; }

/* CONFETTI */
.confetti-canvas {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
}

/* SECTION TITLE */
.section-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* FOCUS MODE */
body.focus-mode .sidebar,
body.focus-mode .topbar-left .streak-badge,
body.focus-mode .topbar-right {
    opacity: 0.2;
    pointer-events: none;
}

body.focus-mode .content {
    max-width: 700px;
    margin: 0 auto;
}

/* QUICK ACTIONS */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.quick-action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    color: var(--text-primary);
}

.quick-action:hover {
    border-color: var(--accent-1);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quick-action .qa-icon {
    font-size: 1.3rem;
}

/* STUDY STREAK CALENDAR */
.streak-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin: 12px 0;
}

.streak-day {
    aspect-ratio: 1;
    border-radius: 4px;
    background: var(--bg-hover);
}

.streak-day.active { background: var(--success); }
.streak-day.today { border: 2px solid var(--accent-1); }

/* NAV BUTTONS FOR LESSON */
.lesson-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: var(--topbar-height);
        z-index: 900;
        box-shadow: var(--shadow-lg);
    }

    .sidebar.collapsed {
        margin-left: calc(-1 * var(--sidebar-width));
    }

    .topbar-center { display: none; }

    .flashcard { width: 100%; height: 260px; }

    .flow-diagram { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); }
}

/* ANIMATIONS */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* GRID FOR DOMAIN OVERVIEW */
.lessons-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

/* KEYBOARD SHORTCUT HINT */
.kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* WELCOME BANNER */
.welcome-banner {
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    color: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.welcome-banner::after {
    content: '🛡️';
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 5rem;
    opacity: 0.15;
}

.welcome-banner h1 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.welcome-banner p {
    opacity: 0.8;
    font-size: 0.95rem;
    max-width: 500px;
}

.welcome-tip {
    margin-top: 12px;
    padding: 8px 14px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    display: inline-block;
}

/* GLOSSARY */
.glossary-filter.active {
    border-color: var(--accent-1) !important;
    background: var(--bg-accent) !important;
    color: var(--accent-1) !important;
}

/* DAILY PLAN */
.plan-item:hover {
    transform: translateX(4px);
    border-color: var(--accent-1);
}

/* PROGRESS ITEM in sidebar */
.progress-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 0.75rem;
}

.progress-label {
    width: 36px;
    text-align: center;
}

.progress-track {
    flex: 1;
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-pct {
    width: 32px;
    text-align: right;
    font-weight: 600;
    color: var(--text-muted);
}

/* EXAM KEYWORD HIGHLIGHT */
.keyword-highlight {
    background: linear-gradient(180deg, transparent 60%, #fdcb6e 60%);
    font-weight: 800;
    color: var(--text-primary);
}

/* CASE STUDY */
.case-scenario {
    white-space: pre-line;
    line-height: 1.7;
    color: var(--text-secondary);
}