/* --- 1. THEME VARIABLES --- */
:root {
    /* Dark Theme (Default) */
    --bg: #0b0f1a;
    --card-bg: rgba(23, 30, 49, 0.8);
    --text-main: #ffffff;
    --text-sub: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent: #10b981;
    --border: rgba(255, 255, 255, 0.1);
    --ticker-gradient: linear-gradient(90deg, #6366f1, #a855f7);
}

[data-theme="light"] {
    /* Light Theme */
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-sub: #64748b;
    --primary: #4f46e5;
    --primary-hover: #3730a3;
    --accent: #059669;
    --border: #e2e8f0;
    --ticker-gradient: linear-gradient(90deg, #4f46e5, #7c3aed);
}

/* --- 2. CORE LAYOUT --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- 3. NAVIGATION & HEADER --- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -1.2px;
}

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

nav a {
    color: var(--text-sub);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--primary);
}

/* --- 4. COMPONENTS --- */

/* Countdown Ticker */
.ticker {
    background: var(--ticker-gradient);
    color: white;
    padding: 12px;
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

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

.theme-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 8px;
    border-radius: 10px;
    cursor: pointer;
}

/* --- 5. HERO & TOP 3 SECTION --- */
.hero-section {
    margin-bottom: 40px;
    padding: 25px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 30px;
    border: 1px dashed var(--primary);
}

.hero-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.hero-card {
    background: var(--primary);
    color: white;
    padding: 25px;
    border-radius: 20px;
    position: relative;
    transition: transform 0.3s ease;
}

.hero-card:hover {
    transform: scale(1.02);
}

/* --- 6. EXAM GRID & FILTERS --- */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

input, select, textarea {
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-main);
    font-family: inherit;
    font-weight: 600;
    outline: none;
}

#examSearch {
    flex-grow: 2;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 25px;
    position: relative;
    transition: 0.3s ease;
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.status-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 5px 12px;
    border-radius: 8px;
    text-transform: uppercase;
}

.upcoming { background: rgba(16, 185, 129, 0.1); color: var(--accent); }
.passed { background: rgba(239, 68, 68, 0.1); color: #ef4444; opacity: 0.6; }

.flag-img {
    width: 48px;
    height: auto;
    border-radius: 4px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* --- 7. CONTENT PAGES (About/Privacy/Contact) --- */
.content-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 40px;
    margin: 20px 0;
}

.content-card h1 { margin-bottom: 20px; font-size: 2.2rem; font-weight: 800; }
.content-card h2 { margin: 30px 0 15px; color: var(--primary); }
.content-card p { margin-bottom: 15px; color: var(--text-sub); }
.content-card ul { margin-bottom: 20px; padding-left: 20px; color: var(--text-sub); }

/* --- 8. FOOTER --- */
footer {
    margin-top: 80px;
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 20px;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-sub);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: var(--primary);
}

/* --- 9. UTILITIES --- */
.hidden { display: none !important; }

@media (max-width: 768px) {
    header { flex-direction: column; gap: 20px; }
    nav { flex-wrap: wrap; justify-content: center; }
    .controls { flex-direction: column; }
    .content-card { padding: 25px; }
}

/* ----10. to create the "Category Pill" look --- */
.category-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

@keyframes slowSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spin-icon {
    animation: slowSpin 10s linear infinite;
    opacity: 0.7;
}

.contact-form {
    max-width: 600px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form select, .contact-form textarea {
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text);
    font-family: inherit;
}

.success-box {
    text-align: center;
    padding: 60px;
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--primary);
}