/* CSS Reset & Variables */
:root {
    /* Light theme defaults */
    --font-heading: 'Fredoka', 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --primary-blue: #0099ff;
    --primary-blue-glow: rgba(0, 153, 255, 0.65);
    --accent-cyan: #00f2fe;
    --accent-purple: #c084fc;
    --accent-pink: #ff3b8b;
    --accent-yellow: #ffb703;
    --accent-green: #10b981;
    --bg: #f0f4f8;
    --text-primary: #1e293b;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-card-bg: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(0, 0, 0, 0.15);
    --glass-hover-border: rgba(0, 242, 254, 0.85);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.1), inset 0 1px 0 0 rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 30px rgba(0, 153, 255, 0.3);
    --transition-duration: 0.3s;
    --easing: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Dark mode overrides */
.dark-mode {
    --bg: #0b0f19;
    --text-primary: #ffffff;
    --text-secondary: #f1f5f9;
    --text-muted: #cbd5e1;
    --glass-bg: rgba(15, 23, 42, 0.45);
    --glass-card-bg: rgba(11, 17, 32, 0.55);
    --glass-border: rgba(255, 255, 255, 0.25);
    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 30px rgba(0, 153, 255, 0.6);
}

body {
    background: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    background-image: url('background_images/landing_page.png');
    background-repeat: no-repeat;
    background-position: center top;
    background-attachment: fixed;
    background-size: cover;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

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

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

/* Background Overlay - hidden so full original background image colors are completely visible */
.bg-overlay {
    display: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 16px 0;
    background: rgba(11, 15, 25, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    box-shadow: 0 0 15px var(--primary-blue-glow);
}

.logo-text .highlight {
    color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-cyan);
    background: transparent;
    border: none;
    box-shadow: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-duration) var(--easing);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), #2563eb);
    color: #fff;
    box-shadow: var(--shadow-glow);
    border: none;
    text-shadow: none;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.5);
}

.btn-portal {
    background: linear-gradient(135deg, var(--accent-purple), #9333ea);
    color: #ffffff;
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.45);
    border: none;
}

.btn-portal:hover {
    transform: translateY(-3px) scale(1.02);
    background: linear-gradient(135deg, #9333ea, #7e22ce);
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.65);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.btn-hero {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-hero {
    padding: 16px 34px;
    font-size: 1.1rem;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Glass Card Component */
.glass-card {
    background: var(--glass-card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

/* Hero Section */
.hero-section {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid rgba(6, 182, 212, 0.4);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    color: var(--accent-cyan);
    font-size: 0.95rem;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.85);
}

.gradient-text {
    background: linear-gradient(135deg, #38bdf8, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 15px rgba(0,0,0,0.6));
}

.hero-description {
    max-width: 720px;
    margin: 0 auto 36px;
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-features-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid var(--glass-border);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.tag-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
}

.tag-icon.blue { background: var(--primary-blue); }
.tag-icon.purple { background: var(--accent-purple); }
.tag-icon.green { background: var(--accent-green); }

.tag-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.tag-text strong {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.tag-text span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-header {
    margin-bottom: 40px;
}

.section-header.center {
    text-align: center;
}

.pill-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 8px;
}

/* Main Info Card */
.main-info-card {
    padding: 48px;
    border-top: 4px solid var(--primary-blue);
}

.info-content-box {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.lead-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: #f1f5f9;
    line-height: 1.6;
}

.badge-highlight {
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-blue));
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    color: #fff;
}

.body-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.ai-spotlight {
    margin-top: 32px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(6, 182, 212, 0.15));
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.ai-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
}

.ai-text h3 {
    font-family: var(--font-heading);
    color: #e9d5ff;
    font-size: 1.25rem;
    margin-bottom: 6px;
}

.ai-text p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Component Cards Grid */
.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.component-card {
    padding: 32px 24px;
    transition: transform var(--transition-duration) var(--easing), border-color var(--transition-duration) var(--easing);
}

.component-card:hover {
    transform: translateY(-8px);
    border-color: var(--glass-hover-border);
}

/* Container query: adapt layout based on component-card width */
@container (min-width: 300px) {
    .component-card {
        padding: 36px 28px;
    }
}
@container (min-width: 500px) {
    .component-card {
        padding: 40px 32px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-duration) var(--easing), transform var(--transition-duration) var(--easing);
}
.reveal.visible {
    opacity: 1;
    transform: none;
}

.comp-icon {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 20px;
}

.comp-icon.yellow { background: linear-gradient(135deg, #f59e0b, #d97706); }
.comp-icon.orange { background: linear-gradient(135deg, #f97316, #ea580c); }
.comp-icon.cyan { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.comp-icon.pink { background: linear-gradient(135deg, #ec4899, #db2777); }

.component-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    margin-bottom: 12px;
}

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

/* mBot Section */
.mbot-main-card {
    padding: 48px;
    border-top: 4px solid var(--accent-cyan);
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.mbot-info h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin: 12px 0 20px;
}

.mbot-summary {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.no-experience-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #34d399;
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-weight: 700;
}

/* Block Preview Code Window */
.block-preview-window {
    background: #0f172a;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
    overflow: hidden;
}

.window-header {
    background: #1e293b;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.window-title {
    margin-left: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.window-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-family: var(--font-heading);
}

.code-block {
    padding: 10px 14px;
    border-radius: 8px;
    color: #fff;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
}

.block-flag { background: #10b981; }
.block-loop { background: #f59e0b; margin-left: 12px; }
.block-if { background: #ec4899; margin-left: 12px; }
.block-action { font-size: 0.85rem; margin-left: 12px; }

.slot {
    background: rgba(0, 0, 0, 0.25);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
}

.red-act { background: #ef4444; }
.green-act { background: #3b82f6; }
.blue-act { background: #06b6d4; margin-left: 12px; }

/* Programming Concepts Grid */
.concepts-header {
    margin-top: 48px;
    margin-bottom: 24px;
    border-top: 1px solid var(--glass-border);
    padding-top: 32px;
}

.concepts-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.concept-item {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    padding: 20px 16px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: transform 0.2s ease;
}

.concept-item:hover {
    transform: translateY(-5px);
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--accent-cyan);
}

.c-icon {
    font-size: 1.6rem;
    color: var(--accent-cyan);
    margin-bottom: 10px;
}

.concept-item h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.concept-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Goal Card */
.goal-card {
    padding: 56px 40px;
    text-align: center;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.goal-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: var(--accent-yellow);
    padding: 6px 18px;
    border-radius: var(--radius-full);
    font-weight: 700;
    margin-bottom: 24px;
}

.goal-statement {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    line-height: 1.5;
    color: #ffffff;
    max-width: 900px;
    margin: 0 auto 36px;
}

.highlight-yellow { color: var(--accent-yellow); }
.highlight-cyan { color: var(--accent-cyan); }
.highlight-pink { color: var(--accent-pink); }

.goal-pillars {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.pillar {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pillar i {
    font-size: 1.4rem;
    color: var(--accent-cyan);
}

/* Portal Preview Grid */
.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.portal-card {
    padding: 32px 24px;
    text-align: center;
}

.portal-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #fff;
}

.p-red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.p-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.p-green { background: linear-gradient(135deg, #10b981, #059669); }
.p-yellow { background: linear-gradient(135deg, #f59e0b, #d97706); }

.portal-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.portal-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--glass-border);
    background: rgba(11, 15, 25, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin-top: 80px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 480px;
    margin-top: 12px;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 24px;
    width: 100%;
}

/* ==========================================================================
   Students Page Styling (background: enrolled_students.png)
   ========================================================================== */
body.students-page {
    background-image: url('background_images/enrolled_students.png');
    background-repeat: no-repeat;
    background-position: center top;
    background-attachment: fixed;
    background-size: cover;
}

.students-main {
    padding-top: 130px;
    padding-bottom: 80px;
    min-height: calc(100vh - 200px);
}

.students-header {
    text-align: center;
    margin-bottom: 36px;
}

.students-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    margin: 12px 0;
    color: #0f172a;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8);
}

.students-subtitle {
    font-size: 1.15rem;
    color: #334155;
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.8);
}

/* Controls Bar */
.students-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    margin-bottom: 32px;
    gap: 20px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-full);
    padding: 10px 20px;
    flex: 1;
    max-width: 480px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.03);
}

.search-box .search-icon {
    color: #64748b;
    font-size: 1rem;
}

.search-box input {
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    font-size: 0.95rem;
    font-family: var(--font-body);
    color: #0f172a;
}

.students-counter {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
}

.students-counter strong {
    color: var(--accent-cyan);
    font-size: 1.1rem;
}

/* Students Cards Grid */
.students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.student-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--radius-lg);
    padding: 24px;
    color: #0f172a;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.student-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.18);
    border-color: var(--primary-blue);
}

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

.student-avatar {
    width: 58px;
    height: 58px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #ffffff;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

/* Icon Gradients */
.icon-gradient-blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.icon-gradient-purple { background: linear-gradient(135deg, #a855f7, #6d28d9); }
.icon-gradient-pink { background: linear-gradient(135deg, #ec4899, #be185d); }
.icon-gradient-cyan { background: linear-gradient(135deg, #06b6d4, #0e7490); }
.icon-gradient-orange { background: linear-gradient(135deg, #f97316, #c2410c); }
.icon-gradient-green { background: linear-gradient(135deg, #10b981, #047857); }

.student-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
}

.student-card-body {
    margin-bottom: 16px;
}

.student-name {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}

.student-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.id-pill {
    background: #e0f2fe;
    color: #0369a1;
}

.year-pill {
    background: #f1f5f9;
    color: #475569;
}

.student-achievement-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fef3c7;
    color: #b45309;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 700;
    margin-top: 4px;
}

.student-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f1f5f9;
    padding-top: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #64748b;
}

.course-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #2563eb;
}

.star-icon {
    color: #eab308;
    display: flex;
    align-items: center;
    gap: 4px;
}

.loading-spinner, .no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-lg);
    color: #475569;
    font-size: 1.1rem;
}

.loading-spinner i, .no-results i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

/* ==========================================================================
   Background Page Rules for All Sub-Pages
   ========================================================================== */
body.portal-page {
    background-image: url('background_images/menu.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

body.lessons-page {
    background-image: url('background_images/background_lessons.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

body.workbook-page {
    background-image: url('background_images/workbook_background.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

body.quizzes-page {
    background-image: url('background_images/quizes_background.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

body.assignments-page {
    background-image: url('background_images/assignments_background.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

body.due-dates-page {
    background-image: url('background_images/Assignment_due_dates_submitted_assignments.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

body.submit-page {
    background-image: url('background_images/Assignment_Submission_background.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

body.scoreboard-page {
    background-image: url('background_images/assignment_scoreboard.png');
    background-repeat: no-repeat; background-position: center top; background-attachment: fixed; background-size: cover;
}

.page-main {
    padding-top: 130px;
    padding-bottom: 80px;
    min-height: calc(100vh - 200px);
}

.page-header {
    text-align: center;
    margin-bottom: 36px;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    margin: 12px 0;
    color: #0f172a;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.9);
}

.page-subtitle {
    font-size: 1.15rem;
    color: #334155;
    font-weight: 500;
    max-width: 650px;
    margin: 0 auto;
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   Student Portal Menu Hub (portal.html)
   ========================================================================== */
.portal-menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.portal-menu-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--radius-lg);
    padding: 32px;
    color: #0f172a;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.portal-menu-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 36px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-blue);
}

.menu-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.menu-card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.menu-card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: #0f172a;
}

.menu-card-desc {
    color: #475569;
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.menu-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-blue), #2563eb);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.menu-card-btn:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: scale(1.02);
}

/* ==========================================================================
   Lessons & Materials (lessons.html)
   ========================================================================== */
.lessons-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.lesson-card {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: var(--radius-lg);
    padding: 28px;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    transition: transform 0.2s ease;
}

.lesson-card:hover {
    transform: translateX(6px);
    border-color: var(--accent-cyan);
}

.lesson-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lesson-num {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #06b6d4, #2563eb);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lesson-info h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 6px;
    color: #0f172a;
}

.lesson-info p {
    color: #475569;
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.lesson-tags {
    display: flex;
    gap: 10px;
}

.l-tag {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    background: #f1f5f9;
    color: #475569;
}

.l-tag.pdf { background: #fee2e2; color: #dc2626; }

/* ==========================================================================
   Workbook / PDF Reader (workbook.html)
   ========================================================================== */
.workbook-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.9);
    padding: 32px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    color: #0f172a;
}

.pdf-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1e293b;
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.pdf-toolbar-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pdf-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pdf-btn {
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

.pdf-btn:hover { background: rgba(255,255,255,0.3); }

.pdf-view-window {
    background: #f8fafc;
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-md);
    min-height: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
}

.pdf-sheet {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-radius: var(--radius-md);
    padding: 40px;
    max-width: 700px;
    width: 100%;
    text-align: left;
}

/* ==========================================================================
   Quizzes (quizzes.html)
   ========================================================================== */
.quiz-wrapper {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 36px;
    color: #0f172a;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.quiz-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 16px;
}

.quiz-score-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-weight: 700;
}

.quiz-question-box h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #0f172a;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.quiz-opt-btn {
    background: #f8fafc;
    border: 2px solid #cbd5e1;
    border-radius: var(--radius-md);
    padding: 16px 20px;
    font-size: 1.05rem;
    font-family: var(--font-body);
    font-weight: 600;
    color: #1e293b;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.quiz-opt-btn:hover {
    background: #e0f2fe;
    border-color: #0284c7;
}

.quiz-opt-btn.correct {
    background: #d1fae5;
    border-color: #10b981;
    color: #065f46;
}

.quiz-opt-btn.wrong {
    background: #fee2e2;
    border-color: #ef4444;
    color: #991b1b;
}

/* ==========================================================================
   Assignments & Submissions & Scoreboard Tables
   ========================================================================== */
.table-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    color: #0f172a;
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

.custom-table th {
    background: #f1f5f9;
    color: #334155;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    padding: 14px 18px;
    text-align: left;
    border-bottom: 2px solid #cbd5e1;
}

.custom-table td {
    padding: 16px 18px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.95rem;
    color: #1e293b;
}

.custom-table tr:hover {
    background: #f8fafc;
}

.status-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
}

.status-submitted { background: #d1fae5; color: #047857; }
.status-pending { background: #fef3c7; color: #b45309; }
.status-graded { background: #dbeafe; color: #1e40af; }

/* Form Card */
.form-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 36px;
    max-width: 680px;
    margin: 0 auto;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    color: #0f172a;
}

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

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1e293b;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: #f8fafc;
    color: #0f172a;
    outline: none;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: var(--primary-blue);
    background: #ffffff;
}

.file-dropzone {
    border: 2px dashed #3b82f6;
    background: #eff6ff;
    padding: 32px;
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: background 0.2s;
}

.file-dropzone:hover {
    background: #dbeafe;
}

.file-dropzone i {
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: color 0.2s ease;
}

.mobile-menu-toggle:hover {
    color: var(--accent-cyan);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2.75rem;
    }
    .main-info-card, .mbot-main-card {
        padding: 32px 24px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .nav-cta-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-top: 16px;
        padding: 16px;
        background: rgba(11, 17, 32, 0.95);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        backdrop-filter: blur(16px);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-duration) var(--easing);
    }

    .nav-links.active {
        display: flex;
        max-height: 500px;
    }

    .nav-link {
        width: 100%;
        padding: 8px 12px;
    }

    .hero-title {
        font-size: 2.25rem;
    }
    .goal-statement {
        font-size: 1.4rem;
    }
    .hero-features-grid {
        flex-direction: column;
        align-items: stretch;
    }
}