@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --bg-color: #0a0a0c;
    --card-bg: rgba(23, 23, 27, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-color: #6366f1; /* Indigo */
    --accent-glow: rgba(99, 102, 241, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --nav-height: 70px;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

h1, h2, h3, .brand {
    font-family: 'Outfit', sans-serif;
}

/* Background Decoration */
.bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.5;
}

.blob-1 { top: -100px; right: -100px; }
.blob-2 { bottom: -100px; left: -100px; background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%); }

/* Navigation */
nav {
    height: var(--nav-height);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(10, 10, 12, 0.8);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #ffffff, var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-container {
    position: relative;
    width: 300px;
    transition: var(--transition-smooth);
}

.search-container:focus-within {
    width: 400px;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    width: 18px;
    height: 18px;
    pointer-events: none;
}

#course-search {
    width: 100%;
    padding: 10px 15px 10px 45px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-smooth);
}

#course-search:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Main Container */
main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Dashboard / Path Selection */
#dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.path-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.path-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}

/* Banner area at card top */
.card-banner {
    width: 100%;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    gap: 10px;
    overflow: hidden;
}

/* Subtle shine on banner */
.card-banner::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 80%;
    height: 200%;
    background: rgba(255,255,255,0.06);
    transform: rotate(20deg);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.path-card:hover .card-banner::after {
    left: 120%;
    transition: 0.6s ease;
}

.card-banner-icon {
    width: 48px;
    height: 48px;
    color: rgba(255,255,255,0.9);
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}

.card-tag {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    background: rgba(0,0,0,0.25);
    padding: 3px 10px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

/* Card text body */
.card-body {
    padding: 20px 22px 22px;
}

.card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.card-body p {
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.5;
}

/* Home View Styles */
#home-view {
    display: none;
    flex-direction: column;
    align-items: center;
    padding-bottom: 100px;
}

#home-view.active {
    display: flex;
}

.hero-section {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-section h1 {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 25px;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(to right, var(--accent-color), #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.5;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Journey Stepper Styles */
.journey-stepper-section {
    width: 100%;
    max-width: 1200px;
    padding: 60px 5%;
    margin-bottom: 40px;
}

.journey-stepper {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 50px;
}

.step-line {
    position: absolute;
    top: 25px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: repeating-linear-gradient(to right, var(--glass-border) 0, var(--glass-border) 8px, transparent 8px, transparent 16px);
    z-index: 1;
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    transition: var(--transition-smooth);
}

.step-dot {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 20px;
    transition: var(--transition-smooth);
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
}

.step-crop {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    margin-bottom: 15px;
    background: var(--card-bg);
}

.step-crop img {
    width: 300%; /* Because the original has 3 items side-by-side */
    height: 100%;
    object-fit: cover;
    filter: saturate(0.8);
    transition: var(--transition-smooth);
}

.step h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 600;
}

.step:hover .step-dot {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.step:hover .step-crop {
    border-color: var(--accent-color);
}

.step:hover .step-crop img {
    filter: saturate(1.2);
    transform: scale(1.1);
}

.dashboard-stepper {
    padding: 0 0 50px 0;
    max-width: 100%;
}

.dashboard-stepper .step-crop {
    width: 80px;
    height: 80px;
    border-radius: 15px;
}

.dashboard-stepper .step-dot {
    width: 35px;
    height: 35px;
    font-size: 0.8rem;
    top: 17px;
}

.dashboard-stepper .step-line {
    top: 17px;
}

/* Staggered Infographic Styles */
.infographic-container {
    position: relative;
    width: 100%;
    height: 450px;
    margin: 40px 0;
    display: flex;
    align-items: center;
}

.infographic-container.compact {
    height: 300px;
}

.path-svg {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.path-line {
    stroke-dasharray: 8;
    animation: dashGrow 30s linear infinite;
}

@keyframes dashGrow {
    to { stroke-dashoffset: -1000; }
}

.infographic-journey {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 0 40px;
}

.info-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    transition: var(--transition-smooth);
}

.step-up { transform: translateY(-30px); }
.step-down { transform: translateY(30px); flex-direction: column-reverse; }

.step-circle {
    width: 100px;
    height: 100px;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.step-circle img {
    width: 300%;
    height: 100%;
    object-fit: cover;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    width: 180px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.step-num {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 5px;
    opacity: 0.7;
}

.step-card h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.step-card p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Compact Dashboard Stepper */
.compact .info-step { transform: none; }
.compact .step-card { display: none; }
.compact .step-circle { width: 80px; height: 80px; border-color: var(--glass-border); }
.compact .info-step:hover .step-circle { border-color: var(--accent-color); transform: scale(1.1); }

.journey-section {
    width: 100%;
    max-width: 1200px;
    padding: 0 5%;
    margin-top: 50px;
}

.journey-header {
    text-align: center;
    margin-bottom: 60px;
}

.journey-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.journey-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
}

.journey-banner {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    background: var(--card-bg);
}

.journey-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.journey-banner:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.5);
}

.banner-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(10, 10, 12, 0.95));
    backdrop-filter: blur(4px);
    border-top: 1px solid var(--glass-border);
}

.banner-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: white;
}

.banner-overlay p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .hero-section h1 { font-size: 3rem; }
    .hero-section p { font-size: 1.1rem; }
    .journey-grid { grid-template-columns: 1fr; }
}

/* Sidebar & Dashboard Layout */
#dashboard-view {
    display: flex;
    min-height: calc(100vh - var(--nav-height));
    background: #0d0d0f;
}

.sidebar {
    width: 260px;
    background: rgba(18, 18, 22, 0.8);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 30px 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: sticky;
    top: var(--nav-height);
    height: calc(100vh - var(--nav-height));
    z-index: 100;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    background: transparent;
    border: none;
    padding: 14px 20px;
    border-radius: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    width: 100%;
    text-align: left;
}

.nav-item i {
    width: 20px;
    height: 20px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-item.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.main-content {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
}

/* View Management */
.view-section {
    display: none;
}

.view-section.active {
    display: block;
}

/* Section Common */
.section-header {
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

/* Quiz Styles */
.quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.quiz-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 25px;
    transition: var(--transition-smooth);
}

.quiz-card:hover { border-color: var(--accent-color); }

/* Profile Styles */
.profile-dashboard {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
}

.profile-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.avatar {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), #a855f7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 16px;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.achievements-section {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 30px;
}

.badges-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.badge-locked {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.1);
}

.empty-state {
    text-align: center;
    padding: 100px 20px;
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .profile-dashboard { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    #dashboard-view { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        flex-direction: row;
        padding: 10px;
        position: fixed;
        bottom: 0;
        top: auto;
    }
    .sidebar-nav { flex-direction: row; width: 100%; justify-content: space-around; }
    .nav-item { padding: 10px; justify-content: center; flex-direction: column; gap: 5px; font-size: 0.7rem; }
    .nav-item span { display: block; }
    .sidebar-footer { display: none; }
    .main-content { padding-bottom: 100px; }

    /* Stepper Mobile */
    .journey-stepper {
        flex-direction: column;
        gap: 40px;
    }
    .step-line {
        width: 2px;
        height: 100%;
        top: 0;
        left: 25px;
        background: repeating-linear-gradient(to bottom, var(--glass-border) 0, var(--glass-border) 8px, transparent 8px, transparent 16px);
    }
    .step {
        flex-direction: row;
        align-items: flex-start;
        gap: 20px;
    }
    .step-dot { flex-shrink: 0; }
    .step h4 { text-align: left; margin-top: 15px; }
}

/* Login View Styles */
#login-view {
    display: none;
    min-height: calc(100vh - var(--nav-height));
    align-items: center;
    justify-content: center;
    padding: 20px;
    perspective: 1000px;
}

#login-view.active {
    display: flex;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: 50px;
    width: 100%;
    max-width: 450px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: cardFloat 6s ease-in-out infinite;
    transition: var(--transition-smooth);
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0) rotateX(0); }
    50% { transform: translateY(-15px) rotateX(2deg); }
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header h2 {
    font-size: 2.2rem;
    margin-bottom: 8px;
    background: linear-gradient(to right, #fff, var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--text-secondary);
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.input-group input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-smooth);
    outline: none;
}

.input-group input:focus {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-top: 10px;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--accent-glow);
}

.divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
    color: #33363d;
}

.divider::before, .divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: #33363d;
}

.divider span {
    padding: 0 15px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.btn-google {
    width: 100%;
    padding: 14px;
    background: white;
    color: #1f1f1f;
    border: none;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: var(--transition-smooth);
}

.btn-google:hover {
    background: #f1f1f1;
    transform: translateY(-2px);
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.login-footer a:hover {
    text-decoration: underline;
}

.sign-out-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

.sign-out-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(239, 68, 68, 0.05);
}

/* ============================
   NEW ADAPTIVE ROADMAP SYSTEM
   ============================ */

/* Course Header */
.roadmap-course-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 25px 30px;
    margin-bottom: 25px;
    gap: 20px;
    flex-wrap: wrap;
}
.roadmap-course-info { display: flex; align-items: center; gap: 20px; }
.roadmap-course-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; flex-shrink: 0;
}
.roadmap-course-icon svg { width: 30px; height: 30px; color: white; }
.roadmap-course-header h2 { font-size: 1.8rem; }
.roadmap-course-header p { color: var(--text-secondary); font-size: 0.9rem; }
.roadmap-overall-progress { min-width: 220px; }
.roadmap-overall-progress span { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 8px; display: block; }
.progress-bar-track {
    width: 100%; height: 8px;
    background: rgba(255,255,255,0.08);
    border-radius: 99px; overflow: hidden;
}
.progress-bar-fill {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--accent-color), #a855f7);
    border-radius: 99px;
    transition: width 0.8s cubic-bezier(.4,0,.2,1);
}

/* AI Adaptive Schedule Panel */
.adaptive-schedule-panel {
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.08));
    border: 1px solid rgba(99,102,241,0.25);
    border-radius: 20px;
    padding: 25px 30px;
    margin-bottom: 30px;
}
.schedule-panel-header {
    display: flex; align-items: center; gap: 12px; margin-bottom: 8px;
}
.schedule-panel-header h3 { font-size: 1.2rem; }
.schedule-panel-header i { color: var(--accent-color); width: 20px; height: 20px; }
.ai-badge {
    background: linear-gradient(135deg, var(--accent-color), #a855f7);
    color: white; font-size: 0.65rem; font-weight: 700;
    padding: 3px 10px; border-radius: 99px; letter-spacing: 1px;
    text-transform: uppercase;
}
.schedule-subtitle { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 20px; }
.schedule-weeks { display: flex; gap: 15px; flex-wrap: wrap; }

.week-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 16px 20px;
    min-width: 180px;
    flex: 1;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.week-card::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 3px; height: 100%;
}
.week-card.status-on-track::before { background: var(--success); }
.week-card.status-review::before { background: var(--warning); }
.week-card.status-revisit::before { background: var(--danger); }
.week-card.status-upcoming::before { background: var(--glass-border); }
.week-card:hover { transform: translateY(-4px); border-color: var(--accent-color); }

.week-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); margin-bottom: 5px; }
.week-topic { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.week-meta { font-size: 0.78rem; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.week-status-tag {
    font-size: 0.65rem; font-weight: 700; padding: 2px 8px; 
    border-radius: 99px; margin-top: 10px; display: inline-block;
    text-transform: uppercase; letter-spacing: 0.8px;
}
.status-on-track .week-status-tag { background: rgba(34,197,94,0.15); color: var(--success); }
.status-review .week-status-tag { background: rgba(245,158,11,0.15); color: var(--warning); }
.status-revisit .week-status-tag { background: rgba(239,68,68,0.15); color: var(--danger); }
.status-upcoming .week-status-tag { background: rgba(255,255,255,0.05); color: var(--text-secondary); }

/* Visual Node Roadmap Path */
.visual-roadmap {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding: 10px 0 40px;
}

.roadmap-node-row {
    display: flex;
    align-items: stretch;
    gap: 0;
}
/* Connector lines between nodes */
.roadmap-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    min-height: 40px;
    flex-shrink: 0;
    position: relative;
}
.roadmap-connector::before {
    content: '';
    position: absolute;
    left: 50%; top: 0; bottom: 0;
    width: 2px;
    background: repeating-linear-gradient(to bottom, var(--glass-border) 0, var(--glass-border) 6px, transparent 6px, transparent 12px);
    transform: translateX(-50%);
}
.roadmap-connector.connected::before {
    background: linear-gradient(to bottom, var(--accent-color), #a855f7);
    width: 2px;
}

/* Roadmap Node Card */
.roadmap-node {
    flex: 1;
    display: flex;
    gap: 20px;
    background: var(--card-bg);
    border: 2px solid var(--glass-border);
    border-radius: 20px;
    padding: 25px;
    margin: 0 0 0 0;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.roadmap-node.completed { border-color: var(--success); background: rgba(34,197,94,0.05); }
.roadmap-node.current { border-color: var(--accent-color); box-shadow: 0 0 30px rgba(99,102,241,0.2); }
.roadmap-node.locked { opacity: 0.5; pointer-events: none; }
.roadmap-node:hover:not(.locked) { transform: translateX(6px); border-color: var(--accent-color); }

.node-number {
    width: 50px; height: 50px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; font-weight: 800; flex-shrink: 0;
    background: rgba(99,102,241,0.1); color: var(--accent-color);
    border: 2px solid var(--accent-color);
}
.roadmap-node.completed .node-number {
    background: rgba(34,197,94,0.1); color: var(--success); border-color: var(--success);
}
.roadmap-node.locked .node-number {
    background: rgba(255,255,255,0.04); color: var(--text-secondary); border-color: var(--glass-border);
}

.node-content { flex: 1; }
.node-level { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.2px; color: var(--accent-color); font-weight: 700; margin-bottom: 5px; }
.node-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
.node-skills-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 15px; }
.node-skill-pill {
    font-size: 0.75rem; padding: 4px 10px;
    background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
    border-radius: 99px; color: var(--text-secondary);
}
.node-skill-pill.done { background: rgba(34,197,94,0.1); border-color: var(--success); color: var(--success); }

.node-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.take-test-btn {
    background: linear-gradient(135deg, var(--accent-color), #a855f7);
    color: white; border: none; padding: 10px 20px;
    border-radius: 10px; cursor: pointer; font-family: inherit;
    font-size: 0.85rem; font-weight: 600; display: flex; align-items: center; gap: 8px;
    transition: var(--transition-smooth);
}
.take-test-btn:hover { transform: scale(1.04); box-shadow: 0 8px 20px rgba(99,102,241,0.4); }
.take-test-btn:disabled { background: rgba(255,255,255,0.1); color: var(--text-secondary); cursor: not-allowed; transform: none; box-shadow: none; }

.node-score-badge {
    font-size: 0.78rem; font-weight: 700; padding: 6px 14px;
    border-radius: 99px; display: flex; align-items: center; gap: 5px;
}
.score-excellent { background: rgba(34,197,94,0.12); color: var(--success); }
.score-good { background: rgba(245,158,11,0.12); color: var(--warning); }
.score-needs-work { background: rgba(239,68,68,0.12); color: var(--danger); }

/* ============================
   MODULE TEST MODAL
   ============================ */
.test-modal-content {
    max-width: 550px;
}
.test-modal-header {
    display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px;
}
.test-modal-badge {
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; color: var(--accent-color);
    background: rgba(99,102,241,0.1); padding: 3px 10px; border-radius: 99px;
    display: block; margin-bottom: 8px;
}
.test-modal-header h3 { font-size: 1.5rem; }
.test-meta { display: flex; gap: 20px; margin: 16px 0; flex-wrap: wrap; }
.test-meta span { display: flex; align-items: center; gap: 7px; font-size: 0.85rem; color: var(--text-secondary); }
.test-meta i { width: 16px; height: 16px; }

.test-progress { display: flex; align-items: center; gap: 15px; margin-bottom: 25px; }
.test-progress span { font-size: 0.8rem; font-weight: 700; color: var(--text-secondary); white-space: nowrap; }
.test-progress .progress-bar-track { flex: 1; }

.test-question { font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; line-height: 1.5; }
.test-options { display: flex; flex-direction: column; gap: 10px; }
.test-option {
    padding: 14px 18px; background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border); border-radius: 12px;
    cursor: pointer; text-align: left; width: 100%; color: var(--text-primary);
    font-family: inherit; font-size: 0.9rem;
    transition: var(--transition-smooth);
}
.test-option:hover { background: rgba(99,102,241,0.08); border-color: var(--accent-color); }
.test-option.selected { background: rgba(99,102,241,0.15); border-color: var(--accent-color); color: white; }
.test-option.correct { background: rgba(34,197,94,0.12); border-color: var(--success); color: var(--success); }
.test-option.wrong { background: rgba(239,68,68,0.12); border-color: var(--danger); color: var(--danger); }

/* Results */
.result-score-circle {
    width: 120px; height: 120px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem; font-weight: 800;
    border: 4px solid var(--accent-color);
    background: rgba(99,102,241,0.1);
}
.result-verdict { text-align: center; font-size: 1.4rem; margin-bottom: 8px; }
.result-message { text-align: center; color: var(--text-secondary); margin-bottom: 20px; }
.ai-recommendation {
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.08));
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 14px; padding: 16px 20px;
    font-size: 0.88rem; line-height: 1.6;
}
.ai-recommendation strong { color: var(--accent-color); }


.back-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 30px;
    transition: var(--transition-smooth);
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Timeline Layout */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
}

.milestone {
    position: relative;
    margin-bottom: 50px;
}

.milestone-marker {
    position: absolute;
    left: -40px;
    top: 5px;
    width: 20px;
    height: 20px;
    background: var(--bg-color);
    border: 3px solid var(--accent-color);
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 0 10px var(--accent-color);
}

.milestone-level {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.milestone-content {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 25px;
    border-radius: 18px;
    backdrop-filter: blur(8px);
}

.skill-list {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-chip {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 6px;
}

.skill-chip:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent-color);
}

.skill-chip.completed {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--success);
    color: var(--success);
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: #121215;
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    max-width: 600px;
    width: 100%;
    padding: 40px;
    position: relative;
    animation: modalAppear 0.4s ease-out;
}

@keyframes modalAppear {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-header h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.skill-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.badge-critical { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge-high { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-medium { background: rgba(99, 102, 241, 0.1); color: var(--accent-color); }

.resource-link {
    display: block;
    margin-top: 20px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.resource-link:hover {
    text-decoration: underline;
}

/* Job Guide Section */
.job-guide-card {
    margin-top: 60px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px solid var(--accent-color);
    padding: 30px;
    border-radius: 20px;
}

.job-guide-card h3 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.guide-item {
    margin-bottom: 15px;
}

.guide-item strong {
    color: var(--accent-color);
    display: block;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

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

/* Dynamic Rectangular Journey Styles */
.dynamic-layout {
    height: 500px;
}

.dynamic-layout.compact {
    height: 350px;
}

.dynamic-journey {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 0 50px;
}

.journey-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    transition: var(--transition-smooth);
}

/* Irregular Offsets for "Not Specified Sequence" feel */
.pos-1 { transform: translateY(-30px) translateX(-10px); }
.pos-2 { transform: translateY(60px) translateX(15px); }
.pos-3 { transform: translateY(-50px) translateX(5px); }
.pos-4 { transform: translateY(40px) translateX(-20px); }
.pos-5 { transform: translateY(-70px) translateX(10px); }
.pos-6 { transform: translateY(20px) translateX(-5px); }

.step-rect {
    width: 150px;
    height: 100px;
    background: var(--card-bg);
    border: 2px solid var(--glass-border);
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    transition: var(--transition-smooth);
}

.step-rect img {
    width: 300%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.9);
}

.journey-step:hover .step-rect {
    border-color: var(--accent-color);
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
}

.journey-step:hover .step-rect img {
    filter: saturate(1.2);
}

/* Compact Dashboard Version */
.compact .journey-step { transform: none !important; }
.compact .step-card { display: none; }
.compact .step-rect { width: 100px; height: 70px; border-width: 1px; }

/* Infographic Mobile Redesign */
@media (max-width: 1024px) {
    .dynamic-layout { height: auto; }
    .dynamic-journey { flex-wrap: wrap; gap: 40px; justify-content: center; padding: 40px 20px; }
    .journey-step { flex-basis: 45%; transform: none !important; }
}

@media (max-width: 768px) {
    .dynamic-journey { flex-direction: column; align-items: stretch; }
    .journey-step { flex-direction: row !important; text-align: left; gap: 20px; }
    .step-rect { width: 110px; height: 80px; flex-shrink: 0; }
    .step-card { width: auto; flex: 1; text-align: left; }
}

/* =============================================
   INSTAGRAM PROFILE STYLES
   ============================================= */
.ig-profile-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.ig-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}
.ig-header h2 { font-size: 1.2rem; font-weight: 600; margin: 0; }

.ig-profile-info {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 20px;
}

.ig-avatar-wrapper {
    position: relative;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid transparent;
    background: linear-gradient(var(--card-bg), var(--card-bg)) padding-box, linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888) border-box;
}

.ig-avatar {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: white;
    background-color: var(--surface-color);
}

.ig-avatar-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}
.ig-avatar-wrapper:hover .ig-avatar-overlay { opacity: 1; }
.ig-avatar-overlay i { color: white; width: 24px; height: 24px; }

.ig-stats {
    display: flex;
    flex-grow: 1;
    justify-content: space-around;
    text-align: center;
}
.ig-stat-col { display: flex; flex-direction: column; }
.ig-stat-val { font-size: 1.2rem; font-weight: bold; }
.ig-stat-label { font-size: 0.85rem; color: var(--text-secondary); }

.ig-bio { margin-bottom: 20px; font-size: 0.95rem; line-height: 1.4; }
.ig-bio strong { display: block; margin-bottom: 4px; font-size: 1rem; }

.ig-btn-edit {
    width: 100%;
    padding: 8px 0;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}
.ig-btn-edit:hover { background: rgba(255,255,255,0.15); }

.ig-divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

.ig-tabs {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 2px;
}
.ig-tab {
    padding: 15px 0;
    font-size: 0.85rem;
    letter-spacing: 1px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    border-top: 1px solid transparent;
    cursor: pointer;
}
.ig-tab.active {
    color: var(--text-primary);
    border-top: 1px solid var(--text-primary);
}

.ig-feed-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
}

/* Base keyframes for staggered fade */
@keyframes fadeInStagger {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-stagger > * {
    animation: fadeInStagger 0.5s ease-out forwards;
    opacity: 0;
}
.fade-in-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.fade-in-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.fade-in-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.fade-in-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.fade-in-stagger > *:nth-child(5) { animation-delay: 0.5s; }
.fade-in-stagger > *:nth-child(6) { animation-delay: 0.6s; }

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* =============================================
   VIDEO PLAYER VIEW STYLES (NEW)
   ============================================= */
#video-player-view {
    padding: 20px;
    height: calc(100vh - var(--nav-height) - 80px);
}

.player-container {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 25px;
    height: 100%;
}

.player-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.player-header {
    display: flex;
    align-items: center;
    gap: 20px;
}

.player-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

#youtube-player {
    width: 100%;
    height: 100%;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    animation: fadeIn 0.4s ease;
}

.overlay-content {
    text-align: center;
    max-width: 400px;
    padding: 40px;
    border-radius: 24px;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
}

.video-info h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.video-info p {
    color: var(--text-secondary);
}

.player-sidebar {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.sidebar-header {
    padding: 25px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-badge {
    background: var(--accent-glow);
    color: var(--accent-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.playlist-items {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-bottom: 8px;
    border: 1px solid transparent;
}

.playlist-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.playlist-item.active {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
}

.playlist-item.locked {
    opacity: 0.4;
    cursor: not-allowed;
}

.item-index {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.item-info {
    flex: 1;
    overflow: hidden;
}

.item-title {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-status {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.playlist-item.completed .item-index {
    background: var(--success);
    color: white;
}

/* Anti-Copy Disclaimer */
.anti-copy-badge {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--danger);
    color: white;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 2000;
    display: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

@media (max-width: 1024px) {
    .player-container {
        grid-template-columns: 1fr;
    }
    .player-sidebar {
        height: 400px;
    }
}

/* =============================================
   SPECIALIZED TEST STYLES (NEW)
   ============================================= */
.special-test-header {
    text-align: left;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.special-test-header h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.special-test-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.code-editor-wrapper {
    background: #1e1e1e;
    border-radius: 12px;
    border: 1px solid #333;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.code-editor-header {
    padding: 8px 15px;
    background: #252526;
    border-bottom: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: #999;
}

.lang-badge {
    background: #3e3e3e;
    padding: 2px 8px;
    border-radius: 4px;
}

#coding-textarea, #html-lab-textarea, #data-lab-input {
    width: 100%;
    height: 250px;
    background: transparent;
    border: none;
    color: #d4d4d4;
    padding: 15px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    resize: none;
    outline: none;
    line-height: 1.5;
}

/* Lab Split Screen */
.lab-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: #333;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #333;
    height: 350px;
}

.lab-editor, .lab-preview {
    background: #1e1e1e;
    display: flex;
    flex-direction: column;
}

.lab-preview {
    background: white;
}

#html-lab-preview {
    width: 100%;
    flex: 1;
    border: none;
}

/* Data Lab Layout */
.data-lab-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.data-view-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--glass-border);
    border-radius: 12px;
    padding: 20px;
    font-family: monospace;
    font-size: 0.85rem;
    max-height: 150px;
    overflow-y: auto;
}

.data-input-panel label {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

#data-lab-input {
    height: 120px;
    background: #1e1e1e;
    border-radius: 8px;
    border: 1px solid #333;
}

.test-modal-content {
    max-width: 800px !important; /* Wider for lab views */
}

@media (max-width: 768px) {
    .lab-split {
        grid-template-columns: 1fr;
        height: 500px;
    }
}

/* ============================================================
   DAY-BY-DAY ROADMAP SCHEDULE STYLES
   ============================================================ */

/* Schedule panel header bar */
.schedule-header-bar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px 20px;
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.15);
    border-radius: 16px;
}

.schedule-meta-strip {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.schedule-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.schedule-meta-item strong {
    color: var(--accent-color);
    font-weight: 600;
}

/* Hours selector buttons */
.hours-selector {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.hours-btn {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.04);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
}

.hours-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(99,102,241,0.08);
}

.hours-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 0 12px rgba(99,102,241,0.4);
}

/* Setup card (before first test) */
.schedule-setup-card {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255,255,255,0.02);
    border: 1px dashed var(--glass-border);
    border-radius: 20px;
    color: var(--text-secondary);
}

.schedule-setup-card h4 {
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

/* Module Separator */
.module-separator {
    margin: 20px 0 8px;
    padding: 10px 16px;
    border-radius: 12px;
    border-left: 4px solid;
}

.module-separator.status-on-track  { border-color: var(--success); background: rgba(34,197,94,0.06); }
.module-separator.status-review    { border-color: var(--warning); background: rgba(245,158,11,0.06); }
.module-separator.status-revisit   { border-color: var(--danger);  background: rgba(239,68,68,0.06); }
.module-separator.status-upcoming  { border-color: var(--accent-color); background: rgba(99,102,241,0.06); }

.module-sep-title {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.module-sep-num {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.module-sep-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

.module-sep-level {
    font-size: 0.72rem;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.06);
    padding: 2px 10px;
    border-radius: 20px;
}

.module-sep-score {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
}

.module-sep-tag {
    font-size: 0.72rem;
    font-weight: 700;
    margin-left: auto;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(255,255,255,0.06);
    color: var(--text-secondary);
}

/* Day Cards */
.day-card {
    display: flex;
    gap: 0;
    border-radius: 12px;
    margin-bottom: 8px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: all 0.2s ease;
    background: var(--card-bg);
}

.day-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateX(3px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.day-card.module-end {
    margin-bottom: 4px;
    border-bottom: 2px solid;
}
.day-card.status-on-track.module-end  { border-bottom-color: var(--success); }
.day-card.status-review.module-end    { border-bottom-color: var(--warning); }
.day-card.status-revisit.module-end   { border-bottom-color: var(--danger); }
.day-card.status-upcoming.module-end  { border-bottom-color: var(--accent-color); }

/* Left colored strip */
.day-card-left {
    min-width: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    gap: 4px;
}

.day-card.status-on-track .day-card-left  { background: rgba(34,197,94,0.12); }
.day-card.status-review .day-card-left    { background: rgba(245,158,11,0.12); }
.day-card.status-revisit .day-card-left  { background: rgba(239,68,68,0.12); }
.day-card.status-upcoming .day-card-left { background: rgba(99,102,241,0.12); }

.day-number {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.day-of-module {
    font-size: 0.62rem;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.06);
    padding: 1px 6px;
    border-radius: 10px;
}

/* Day card body */
.day-card-body {
    flex: 1;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Catch-up banner */
.catchup-banner {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--warning);
    background: rgba(245,158,11,0.08);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: 8px;
    padding: 4px 10px;
}

.catchup-banner em {
    font-style: normal;
}

/* Topics chips */
.day-topics-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.day-topic-chip {
    font-size: 0.75rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 3px 10px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.day-card:hover .day-topic-chip {
    background: rgba(99,102,241,0.08);
    border-color: rgba(99,102,241,0.2);
    color: var(--text-primary);
}

/* Day footer */
.day-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2px;
}

.day-hours {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.day-test-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(99,102,241,0.15);
    color: var(--accent-color);
    border: 1px solid rgba(99,102,241,0.25);
    animation: pulse-subtle 2s ease-in-out infinite;
}

@keyframes pulse-subtle {
    0%, 100% { box-shadow: 0 0 0 0 rgba(99,102,241,0.3); }
    50%       { box-shadow: 0 0 0 4px rgba(99,102,241,0); }
}

/* Summary card */
.schedule-summary-card {
    margin-top: 20px;
    padding: 20px 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.08));
    border: 1px solid rgba(99,102,241,0.2);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.summary-icon {
    font-size: 2rem;
    line-height: 1;
}

.summary-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-text strong {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

.summary-text span {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.summary-miss-note {
    width: 100%;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(245,158,11,0.06);
    border: 1px solid rgba(245,158,11,0.15);
    border-radius: 8px;
    padding: 6px 12px;
    margin-top: 6px;
}

/* Scrollable schedule container improvement */
#schedule-weeks {
    max-height: 550px;
    overflow-y: auto;
    padding-right: 4px;
    scrollbar-width: thin;
    scrollbar-color: rgba(99,102,241,0.3) transparent;
}

#schedule-weeks::-webkit-scrollbar {
    width: 4px;
}
#schedule-weeks::-webkit-scrollbar-thumb {
    background: rgba(99,102,241,0.3);
    border-radius: 2px;
}

/* Adaptive schedule panel refinement */
.adaptive-schedule-panel {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 28px 32px;
    margin-bottom: 30px;
}

.schedule-panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

.schedule-panel-header i {
    width: 22px;
    height: 22px;
    color: var(--accent-color);
}

.schedule-panel-header h3 {
    flex: 1;
    font-size: 1.1rem;
}

.ai-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent-color), #a855f7);
    color: white;
    box-shadow: 0 0 12px rgba(99,102,241,0.4);
}

.schedule-subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .schedule-header-bar { flex-direction: column; }
    .day-card-left { min-width: 48px; }
    .module-sep-title { gap: 6px; }
    .module-sep-tag { margin-left: 0; }
}

/* Video Player Overlay Refinements */
.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    background: #000;
    border-radius: 16px;
    overflow: hidden;
}

#youtube-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
}

.overlay-content {
    max-width: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#video-error-overlay {
    background: rgba(10, 10, 12, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

#video-error-overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

#video-error-overlay p {
    font-size: 0.95rem;
    line-height: 1.6;
}