/* Dynamic Design Tokens & Premium Color Palette */
:root {
    --font-primary: 'Cairo', system-ui, -apple-system, sans-serif;
    --font-numeric: 'Outfit', 'Cairo', sans-serif;

    /* Dark Mode Tokens (Rich Deep Blue & Purple Indigo Palette) */
    --bg-main: #070b14;
    --bg-surface: rgba(18, 24, 43, 0.82);
    --bg-surface-hover: rgba(28, 37, 65, 0.9);
    --bg-card: rgba(15, 20, 36, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(99, 102, 241, 0.35);

    --text-primary: #f8fafc;
    --text-secondary: #a0aec0;
    --text-muted: #64748b;

    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-glow: rgba(99, 102, 241, 0.35);

    --color-gold: #fbbf24;
    --color-gold-glow: rgba(251, 191, 36, 0.25);
    --color-green: #10b981;
    --color-green-glow: rgba(16, 185, 129, 0.25);
    --color-red: #f43f5e;
    --color-purple: #8b5cf6;
    --color-facebook: #1877f2;

    --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 20px 35px -5px rgba(0, 0, 0, 0.55), 0 8px 16px -6px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.28);

    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-full: 9999px;
}

/* Light Theme Variables */
body.light-theme {
    --bg-main: #f1f5f9;
    --bg-surface: rgba(255, 255, 255, 0.88);
    --bg-surface-hover: rgba(241, 245, 249, 0.95);
    --bg-card: rgba(255, 255, 255, 0.95);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-accent: rgba(99, 102, 241, 0.25);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --shadow-sm: 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 30px -5px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 22px rgba(99, 102, 241, 0.16);
}

/* Base Reset & Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-primary);
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    padding-bottom: env(safe-area-inset-bottom);
}

/* Glow Background Orbs */
.bg-glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    opacity: 0.28;
    animation: floatOrb 20s ease-in-out infinite alternate;
}

.orb-1 {
    width: 550px;
    height: 550px;
    background: var(--color-primary);
    top: -120px;
    right: -120px;
}

.orb-2 {
    width: 450px;
    height: 450px;
    background: var(--color-purple);
    bottom: -120px;
    left: -120px;
    animation-delay: -7s;
}

.orb-3 {
    width: 380px;
    height: 380px;
    background: var(--color-gold);
    top: 35%;
    left: 35%;
    animation-delay: -14s;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 45px) scale(1.18); }
}

/* Common Container & Glassmorphism */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

/* Navbar Styling */
.navbar {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(7, 11, 20, 0.85);
    backdrop-filter: blur(16px);
}

body.light-theme .navbar {
    background: rgba(255, 255, 255, 0.88);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
    box-shadow: var(--shadow-glow);
    flex-shrink: 0;
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 800;
    line-height: 1.2;
}

.badge-system {
    font-size: 0.72rem;
    color: var(--color-gold);
    font-weight: 700;
    background: rgba(251, 191, 36, 0.15);
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(251, 191, 36, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* Header Developer Badge */
.developer-header-badge {
    display: flex;
    align-items: center;
}

.dev-badge-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(24, 119, 242, 0.16), rgba(99, 102, 241, 0.16));
    border: 1px solid rgba(24, 119, 242, 0.4);
    padding: 0.45rem 0.95rem;
    border-radius: var(--radius-full);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(24, 119, 242, 0.2);
}

.dev-badge-link:hover {
    background: var(--color-facebook);
    color: #fff;
    border-color: var(--color-facebook);
    box-shadow: 0 6px 16px rgba(24, 119, 242, 0.45);
    transform: translateY(-2px);
}

.dev-fb-icon {
    font-size: 1rem;
    color: var(--color-facebook);
}

.dev-badge-link:hover .dev-fb-icon {
    color: #fff;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-icon {
    width: 42px;
    height: 42px;
    min-width: 42px;
    min-height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover {
    border-color: var(--color-gold);
    box-shadow: 0 4px 12px var(--color-gold-glow);
}

/* Hero Section */
.hero-section {
    padding: 2.5rem 0 1.5rem 0;
    text-align: center;
}

.hero-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid var(--border-accent);
    padding: 0.38rem 1.3rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 2.3rem;
    font-weight: 900;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.3;
}

body.light-theme .hero-title {
    background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 1.75rem auto;
}

/* Search Card Box */
.search-card-wrapper {
    padding: 1.6rem;
    max-width: 820px;
    margin: 0 auto;
    border: 1px solid var(--border-accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.search-type-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    background: rgba(0, 0, 0, 0.25);
    padding: 0.35rem;
    border-radius: var(--radius-sm);
}

body.light-theme .search-type-selector {
    background: rgba(0, 0, 0, 0.05);
}

.type-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 0.75rem;
    min-height: 44px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.type-btn.active {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px var(--color-primary-glow);
}

.search-input-group {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.input-icon {
    position: absolute;
    right: 1rem;
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.search-input-group input {
    width: 100%;
    padding: 1.15rem 2.8rem 1.15rem 9.5rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    outline: none;
    transition: all 0.25s ease;
}

.search-input-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.clear-btn {
    position: absolute;
    left: 8.5rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem;
    min-width: 36px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-btn:hover {
    color: var(--color-red);
}

.search-action-btn {
    position: absolute;
    left: 0.4rem;
    height: calc(100% - 0.8rem);
    padding: 0 1.35rem;
    min-height: 42px;
    border-radius: var(--radius-sm);
    border: none;
    background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
    color: #fff;
    font-weight: 800;
    font-size: 0.92rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.search-action-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 18px var(--color-primary-glow);
}

.search-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 0.85rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.speed-tag {
    color: var(--color-green);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Search Limit Badge */
.search-limit-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.3);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--color-gold);
    font-weight: 700;
}

.search-limit-badge.unlocked {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.35);
    color: var(--color-green);
}

/* Stats Overview Grid */
.stats-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-accent);
}

.stat-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.icon-blue { background: rgba(99, 102, 241, 0.15); color: var(--color-primary); }
.icon-green { background: rgba(16, 185, 129, 0.15); color: var(--color-green); }
.icon-gold { background: rgba(251, 191, 36, 0.15); color: var(--color-gold); }
.icon-purple { background: rgba(139, 92, 246, 0.15); color: var(--color-purple); }

.stat-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.stat-value {
    font-size: 1.35rem;
    font-weight: 800;
    font-family: var(--font-numeric);
}

/* Table Section */
.results-section {
    margin: 2rem 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.results-hint {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.results-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
}

.custom-table th {
    background: rgba(0, 0, 0, 0.25);
    padding: 0.9rem 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

body.light-theme .custom-table th {
    background: rgba(0, 0, 0, 0.04);
}

.custom-table td {
    padding: 0.95rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.custom-table tbody tr {
    cursor: pointer;
    transition: background 0.2s ease;
}

.custom-table tbody tr:hover {
    background: var(--bg-surface-hover);
}

.badge-status {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    display: inline-block;
}

.status-pass {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-fail {
    background: rgba(244, 63, 94, 0.15);
    color: var(--color-red);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.percentage-badge {
    font-family: var(--font-numeric);
    font-weight: 800;
    color: var(--color-primary);
}

/* Modal Student Card & Password Gate Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    overflow-y: auto;
}

.modal-card {
    width: 100%;
    max-width: 780px;
    padding: 2rem;
    position: relative;
    max-height: 92vh;
    overflow-y: auto;
    border: 1px solid var(--border-accent);
    -webkit-overflow-scrolling: touch;
}

.password-card {
    max-width: 480px;
    text-align: center;
    padding: 2.25rem 1.75rem;
    border: 1px solid rgba(251, 191, 36, 0.4);
    box-shadow: 0 0 35px rgba(251, 191, 36, 0.2);
}

.lock-icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gold), #d97706);
    color: #fff;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem auto;
    box-shadow: 0 6px 18px rgba(251, 191, 36, 0.4);
}

.password-modal-header h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.password-modal-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.password-input-group {
    text-align: right;
    margin-bottom: 1.5rem;
}

.password-input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.input-with-eye {
    position: relative;
    display: flex;
    align-items: center;
}

.pass-icon {
    position: absolute;
    right: 1rem;
    color: var(--color-gold);
    font-size: 1rem;
}

.input-with-eye input {
    width: 100%;
    padding: 0.85rem 2.6rem 0.85rem 2.8rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 700;
    outline: none;
    transition: all 0.25s ease;
}

.input-with-eye input:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.3);
}

.eye-btn {
    position: absolute;
    left: 0.5rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem;
    min-width: 38px;
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eye-btn:hover {
    color: var(--text-primary);
}

.error-msg {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-red);
    font-size: 0.82rem;
    font-weight: 700;
    margin-top: 0.4rem;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.password-footer-note {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 20;
}

.modal-close-btn:hover {
    background: var(--color-red);
    color: #fff;
}

/* DEVELOPER SIGNATURE CARD (EXACT INNER POSITION MATCHING USER SCREENSHOT) */
.card-developer-signature.inner-signature {
    margin-top: 0.5rem;
    margin-bottom: 1.25rem;
    padding: 0.85rem 1.25rem;
    background: linear-gradient(135deg, rgba(24, 119, 242, 0.2), rgba(99, 102, 241, 0.2));
    border: 1px solid rgba(24, 119, 242, 0.4);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.2);
}

.dev-sign-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 800;
}

.dev-fb-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-facebook);
    color: #fff;
    text-decoration: none;
    padding: 0.45rem 0.9rem;
    min-height: 40px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(24, 119, 242, 0.3);
    transition: all 0.25s ease;
    white-space: nowrap;
}

.dev-fb-button:hover {
    background: #1464cc;
    transform: translateY(-2px);
}

/* Certificate Layout */
.certificate-header {
    text-align: center;
    border-bottom: 2px dashed var(--border-color);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.cert-logo {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 0.35rem;
}

.cert-title-group h2 {
    font-size: 1.15rem;
    font-weight: 800;
}

.cert-title-group h3 {
    font-size: 1.05rem;
    color: var(--color-primary);
    margin-top: 0.2rem;
}

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

.cert-watermark {
    position: absolute;
    top: 5px;
    right: 5px;
    border: 2px solid var(--color-gold);
    color: var(--color-gold);
    font-weight: 900;
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    transform: rotate(-10deg);
    border-radius: 4px;
}

.student-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.info-box {
    background: rgba(0, 0, 0, 0.25);
    padding: 0.75rem 0.85rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

body.light-theme .info-box {
    background: rgba(0, 0, 0, 0.03);
}

.info-title {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.info-val {
    font-size: 0.95rem;
    font-weight: 800;
    word-break: break-word;
}

.highlight-val {
    color: var(--color-gold);
    font-family: var(--font-numeric);
    font-size: 1.05rem;
}

.score-summary-banner {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.18), rgba(139, 92, 246, 0.18));
    border: 1px solid var(--border-accent);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.score-radial {
    width: 90px;
    height: 90px;
    flex-shrink: 0;
}

.circular-chart {
    display: block;
    max-width: 100%;
    max-height: 90px;
}

.circle-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 3.8;
}

.circle {
    fill: none;
    stroke-width: 3.8;
    stroke-linecap: round;
    stroke: var(--color-green);
    transition: stroke-dasharray 1s ease-in-out;
}

.percentage-text {
    fill: var(--text-primary);
    font-family: var(--font-numeric);
    font-weight: 800;
    font-size: 0.55rem;
    text-anchor: middle;
}

.score-num {
    font-size: 2rem;
    font-weight: 900;
    font-family: var(--font-numeric);
    color: var(--color-gold);
}

.score-max {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 700;
}

.score-percentage-calculated {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-green);
    margin-top: 0.25rem;
}

.subjects-breakdown h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.subjects-table {
    width: 100%;
    border-collapse: collapse;
}

.subjects-table th, .subjects-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
    text-align: right;
    font-size: 0.9rem;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.btn {
    flex: 1;
    padding: 0.75rem 1.25rem;
    min-height: 44px;
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 800;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 4px 14px var(--color-primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Top Students Grid */
.top-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.top-student-card {
    padding: 1.25rem;
    position: relative;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.top-student-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-3px);
    box-shadow: 0 6px 18px var(--color-gold-glow);
}

.rank-badge {
    position: absolute;
    top: 0.85rem;
    left: 0.85rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gold), #d97706);
    color: #fff;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-numeric);
    box-shadow: 0 4px 10px rgba(251, 191, 36, 0.4);
}

.top-student-name {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 0.4rem;
    padding-left: 2.2rem;
}

.top-student-meta {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 0.85rem;
}

.top-student-score {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(251, 191, 36, 0.1);
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    color: var(--color-gold);
    font-weight: 800;
    font-size: 0.88rem;
}

/* Footer & Branding */
.footer {
    margin-top: 3.5rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.35);
}

.footer-content {
    text-align: center;
}

.footer-branding p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-developer-box {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    background: rgba(24, 119, 242, 0.12);
    border: 1px solid rgba(24, 119, 242, 0.35);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    max-width: 100%;
}

.footer-developer-box span {
    font-size: 0.95rem;
    font-weight: 700;
}

.footer-fb-link {
    color: var(--color-facebook);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    word-break: break-all;
}

/* Helper Utilities */
.hidden { display: none !important; }
.text-gold { color: var(--color-gold); }

/* =========================================================
   ULTRA-COMPACT & CRYSTAL-CLEAR MOBILE LAYOUT (< 768px) 📱
========================================================= */

@media (max-width: 768px) {
    .container { padding: 0 0.85rem; }
    .nav-wrapper { flex-wrap: wrap; }
    .developer-header-badge { order: 3; width: 100%; justify-content: center; margin-top: 0.25rem; }
    .dev-badge-link { width: 100%; justify-content: center; padding: 0.35rem; font-size: 0.82rem; }
    .hero-title { font-size: 1.6rem; }
    .hero-desc { font-size: 0.9rem; margin-bottom: 1.25rem; }
    .search-card-wrapper { padding: 1rem; }
    .search-input-group input { padding: 0.95rem 2.4rem 0.95rem 7rem; font-size: 15px; }
    .clear-btn { left: 6.2rem; }
    .search-action-btn { padding: 0 0.85rem; font-size: 0.82rem; }
    .stats-overview-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .stat-card { padding: 0.85rem; }
    .stat-value { font-size: 1.15rem; }
    
    /* MODAL COMPACT MOBILE CARD OPTIMIZATION (1-Screen Display) */
    .modal-backdrop { padding: 0.5rem; }
    .modal-card { 
        padding: 0.9rem; 
        max-height: 96vh;
        border-radius: 16px;
    }
    
    .certificate-header {
        padding-bottom: 0.65rem;
        margin-bottom: 0.75rem;
    }
    .cert-logo { font-size: 1.4rem; margin-bottom: 0.1rem; }
    .cert-title-group h2 { font-size: 0.92rem; }
    .cert-title-group h3 { font-size: 0.85rem; }
    .cert-year { font-size: 0.72rem; }
    .cert-watermark { display: none; }

    /* Student Info 2 Compact Columns on Mobile! */
    .student-info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.45rem;
        margin-bottom: 0.75rem;
    }

    /* Student Name Hero Box spanning full width */
    .student-info-grid .hero-student-name-box {
        grid-column: 1 / -1;
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
        border: 1px solid var(--border-accent);
        padding: 0.6rem 0.85rem;
    }

    .hero-student-name-box .info-val {
        font-size: 1.1rem;
        color: #fff;
    }

    .info-box {
        padding: 0.4rem 0.6rem;
    }

    .info-title {
        font-size: 0.7rem;
        margin-bottom: 0.08rem;
    }

    .info-val {
        font-size: 0.85rem;
    }

    .highlight-val {
        font-size: 0.92rem;
    }

    /* Developer Inner Signature Compact Banner */
    .card-developer-signature.inner-signature {
        margin-top: 0.2rem;
        margin-bottom: 0.75rem;
        padding: 0.45rem 0.75rem;
        gap: 0.5rem;
    }
    .dev-sign-content { font-size: 0.8rem; }
    .dev-fb-button { padding: 0.35rem 0.7rem; min-height: 32px; font-size: 0.75rem; }

    /* Compact Score Summary Banner */
    .score-summary-banner {
        padding: 0.65rem 0.75rem;
        margin-bottom: 0.75rem;
        gap: 0.5rem;
    }

    .score-radial { width: 62px; height: 62px; }
    .circular-chart { max-height: 62px; }
    .score-num { font-size: 1.45rem; }
    .score-max { font-size: 0.8rem; }
    .score-percentage-calculated { font-size: 0.82rem; }

    .subjects-breakdown h4 { font-size: 0.88rem; margin-bottom: 0.35rem; }
    .subjects-table th, .subjects-table td { padding: 0.4rem 0.55rem; font-size: 0.8rem; }

    .modal-actions { margin-top: 0.75rem; gap: 0.4rem; }
    .btn { padding: 0.55rem 0.85rem; min-height: 38px; font-size: 0.82rem; }
}

@media (max-width: 480px) {
    .brand-text h1 { font-size: 0.95rem; }
    .badge-system { font-size: 0.6rem; }
    .nav-link span { display: none; }
    .hero-section { padding: 1.25rem 0 0.85rem 0; }
    .hero-subtitle { font-size: 0.75rem; padding: 0.2rem 0.75rem; }
    .hero-title { font-size: 1.35rem; }
    .type-btn { font-size: 0.78rem; padding: 0.5rem 0.35rem; gap: 0.3rem; min-height: 40px; }
    .search-input-group { flex-direction: column; gap: 0.5rem; }
    .search-input-group input { padding: 0.85rem 2.4rem 0.85rem 2.2rem; }
    .clear-btn { left: 0.4rem; }
    .search-action-btn { position: static; width: 100%; height: 42px; justify-content: center; border-radius: var(--radius-sm); }
    .search-status-bar { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
    .stats-overview-grid { grid-template-columns: 1fr; }
    .modal-actions { flex-direction: row; }
    .modal-actions .btn { font-size: 0.8rem; padding: 0.5rem; }
}

/* Print Media Query */
@media print {
    .no-print, .bg-glow-container, .navbar, .hero-section, .stats-overview-grid, .results-section, .top-students-section, footer {
        display: none !important;
    }
    body { background: #fff !important; color: #000 !important; }
    .modal-backdrop { position: static !important; background: none !important; backdrop-filter: none !important; padding: 0 !important; }
    .modal-card { max-width: 100% !important; border: none !important; box-shadow: none !important; background: #fff !important; color: #000 !important; }
    .card-developer-signature.inner-signature {
        display: block !important;
        border: 2px solid #6366f1 !important;
        background: #f1f5f9 !important;
        color: #000 !important;
        text-align: center !important;
        padding: 0.75rem !important;
        margin-bottom: 1.25rem !important;
    }
    .dev-sign-content { justify-content: center !important; font-size: 1.1rem !important; }
    .info-box { background: #f8fafc !important; border: 1px solid #e2e8f0 !important; }
    .dev-fb-button { display: none !important; }
}