/* ─── CORE ─── */
:root {
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --border-radius: 6px;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --transition: 0.25s ease;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-family);
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

/* ─── THEMES ─── */

/* Default - AeroFinancial Corporate */
.theme-default {
    --primary: #1a2a4a;
    --primary-dark: #0f1a30;
    --secondary: #4a5568;
    --bg: #ffffff;
    --bg-alt: #f7f8fa;
    --bg-white: #ffffff;
    --accent: #d4a843;
    --dark: #1a2a4a;
    --text: #2d3748;
    --text-muted: #718096;
    --header-bg: #1a2a4a;
    --header-text: #ffffff;
    --footer-bg: #1a2a4a;
    --footer-text: #a0aec0;
    --border-color: #e2e8f0;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
}

/* Summer - Warm Beach */
.theme-summer {
    --primary: #FF6B35;
    --primary-dark: #cc5529;
    --secondary: #F7C59F;
    --bg: #FFF4E6;
    --bg-alt: #FFE8D6;
    --bg-white: #ffffff;
    --accent: #2EC4B6;
    --dark: #1A1A2E;
    --text: #2D2D2D;
    --text-muted: #888;
    --header-bg: #FF6B35;
    --header-text: #ffffff;
    --footer-bg: #1A1A2E;
    --footer-text: #FFE8D6;
    --border-color: #fde3c8;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
}

/* Christmas - Festive */
.theme-christmas {
    --primary: #D32F2F;
    --primary-dark: #a82424;
    --secondary: #388E3C;
    --bg: #F5F5F0;
    --bg-alt: #FFFFFF;
    --bg-white: #ffffff;
    --accent: #FFD700;
    --dark: #1B1B1B;
    --text: #333;
    --text-muted: #888;
    --header-bg: #D32F2F;
    --header-text: #FFD700;
    --footer-bg: #1B1B1B;
    --footer-text: #FFFFFF;
    --border-color: #e8e8e0;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
}

/* Halloween - Spooky */
.theme-halloween {
    --primary: #FF6F00;
    --primary-dark: #cc5900;
    --secondary: #7B1FA2;
    --bg: #1A1A1A;
    --bg-alt: #2D2D2D;
    --bg-white: #1A1A1A;
    --accent: #4CAF50;
    --dark: #0D0D0D;
    --text: #E0E0E0;
    --text-muted: #999;
    --header-bg: #0D0D0D;
    --header-text: #FF6F00;
    --footer-bg: #0D0D0D;
    --footer-text: #7B1FA2;
    --border-color: #333;
    --success: #4CAF50;
    --warning: #FF6F00;
    --danger: #f44336;
}

/* ─── BASE STYLES ─── */
body {
    background: var(--bg);
    color: var(--text);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: opacity var(--transition);
}
a:hover { opacity: 0.8; }

.bg-alt { background: var(--bg-alt); }
.bg-alt h2 { color: var(--dark); }

/* ─── NAVBAR ─── */
.navbar {
    background: var(--header-bg) !important;
    padding: 0.75rem 0;
    position: relative;
    --bs-secondary-color: rgba(255,255,255,0.75);
}
.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--primary), var(--accent));
    opacity: 0.8;
}
.navbar .navbar-brand {
    color: var(--header-text) !important;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.3px;
}
.navbar .navbar-brand img {
    max-height: 36px;
    width: auto;
}
.navbar .nav-link {
    color: rgba(255,255,255,0.8) !important;
    font-weight: 500;
    padding: 0.5rem 0.8rem !important;
    transition: color var(--transition);
}
.navbar .nav-link:hover {
    color: #fff !important;
    opacity: 1;
}
.navbar-toggler {
    border-color: rgba(255,255,255,0.3);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Language selector in nav */
.navbar .btn-outline-secondary {
    color: rgba(255,255,255,0.8);
    border-color: rgba(255,255,255,0.3);
}
.navbar .btn-outline-secondary:hover {
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

/* Admin navbar overrides */
.admin-panel .navbar {
    background: #1a2a4a !important;
    position: relative;
    --bs-secondary-color: rgba(255,255,255,0.75);
}
.admin-panel .navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #d4a843, #1a2a4a, #d4a843);
    opacity: 0.8;
}
.admin-panel .navbar .navbar-brand,
.admin-panel .navbar .nav-link,
.admin-panel .navbar .navbar-text {
    color: rgba(255,255,255,0.85) !important;
}
.admin-panel .navbar .nav-link:hover {
    color: #fff !important;
}
.admin-panel .navbar-toggler {
    border-color: rgba(255,255,255,0.3);
}
.admin-panel .navbar-toggler-icon {
    filter: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ─── HERO SLIDER ─── */
.hero-slider .carousel-item img {
    height: 420px;
    object-fit: cover;
}
.carousel-caption {
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    border-radius: 0;
    padding: 2rem;
    left: 0;
    right: 0;
    bottom: 0;
    text-align: left;
}
.carousel-caption h3 {
    font-weight: 700;
    font-size: 1.5rem;
}
.carousel-caption p {
    font-size: 0.95rem;
    opacity: 0.9;
}
.hero-section .lead {
    color: var(--text-muted);
    font-size: 1.15rem;
}
.hero-section.hero-only .lead {
    color: rgba(255,255,255,0.85) !important;
}
.hero-only {
    background: var(--header-bg);
    color: white;
    padding: 3rem 0;
}
.hero-only h1 { color: white; font-weight: 800; font-size: 2.2rem; }
.hero-only p { color: rgba(255,255,255,0.8); font-size: 1.1rem; }

/* ─── SECTIONS ─── */
section h2 {
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--dark);
    letter-spacing: -0.5px;
}

/* ─── DRAW CARD ─── */
.draw-card {
    border: 2px solid var(--accent);
    box-shadow: var(--card-shadow);
    border-radius: 12px;
    transition: box-shadow var(--transition);
    background: #fff;
}
.draw-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.draw-card .badge {
    font-size: 0.75rem;
    padding: 0.4em 0.8em;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.draw-card .fs-4 {
    color: var(--dark);
}

/* ─── COUNTDOWN ─── */
.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
}
.countdown-item {
    text-align: center;
    background: #f7f8fa;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    min-width: 80px;
    border: 1px solid var(--border-color);
}
.countdown-item span {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
.countdown-item small {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

/* ─── RANGES GRID ─── */
.ranges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
    gap: 0.5rem;
    max-width: 700px;
    margin: 0 auto;
}
.range-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 0.3rem;
    border-radius: 8px;
    background: #fff;
    border: 2px solid var(--accent);
    text-decoration: none;
    color: var(--text);
    transition: all var(--transition);
    cursor: pointer;
}
.range-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}
.range-item.active {
    border-color: var(--accent);
    background: var(--dark);
    color: white;
}
.range-item.empty {
    opacity: 0.35;
    cursor: default;
}
.range-item.empty:hover {
    border-color: var(--border-color);
    transform: none;
    box-shadow: none;
}
.range-label {
    font-size: 0.8rem;
    font-weight: 600;
}
.range-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}
.range-item.active .range-count {
    color: rgba(255,255,255,0.8);
}

/* ─── SEARCH ─── */
.search-box {
    max-width: 400px;
    margin: 0 auto;
}
.search-box .form-control {
    border-radius: 100px;
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--accent);
    font-size: 0.9rem;
    background: #fff;
    color: var(--text);
}
.search-box .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,42,74,0.1);
}

/* ─── PARTICIPANTS TABLE ─── */
#participantsTable {
    font-size: 0.9rem;
}
#participantsTable thead th {
    background: var(--bg-alt);
    border-bottom: 2px solid var(--accent);
    font-weight: 600;
    color: var(--dark);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}
#participantsTable tbody tr:hover {
    background: #f7f8fa;
}

/* ─── WINNER CARD ─── */
.winner-card {
    border: 2px solid var(--accent);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    background: #fff;
}
.winner-position {
    width: 44px;
    height: 44px;
    line-height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-weight: 800;
    margin: 0 auto 0.75rem;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(212,168,67,0.3);
}

/* ─── NEWS CARD ─── */
.news-card {
    border: 2px solid var(--accent);
    box-shadow: var(--card-shadow);
    border-radius: 12px;
    transition: box-shadow var(--transition);
    background: #fff;
}
.news-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.news-card .card-title {
    font-weight: 700;
    color: var(--dark);
}
.news-card .card-footer {
    background: transparent;
    border-top: 1px solid var(--border-color);
}

/* ─── FOOTER ─── */
.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 2.5rem 0;
    margin-top: auto;
    font-size: 0.85rem;
}
.footer a {
    color: var(--footer-text);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition);
}
.footer a:hover {
    opacity: 1;
    text-decoration: underline;
}
.nav-footer {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.nav-footer a {
    font-weight: 500;
}
.social-links a {
    margin-left: 1rem;
    font-size: 0.85rem;
}
.social-links a:first-child {
    margin-left: 0;
}

/* ─── ADMIN ─── */
.admin-panel {
    background: #f1f5f9;
}
.admin-panel .card {
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}
.admin-panel .card-header {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    font-weight: 600;
}
.admin-login {
    background: linear-gradient(135deg, #1a2a4a, #0f1a30);
    min-height: 100vh;
}
.admin-login .card {
    border: none;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.admin-login .btn-primary {
    --bs-btn-bg: #1a2a4a !important;
    --bs-btn-border-color: #1a2a4a !important;
    --bs-btn-hover-bg: #0f1a30 !important;
    --bs-btn-hover-border-color: #0f1a30 !important;
    background-color: #1a2a4a !important;
    border-color: #1a2a4a !important;
    color: #ffffff !important;
}
.theme-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 4px;
}
.theme-default { background: #1a2a4a; }
.theme-summer { background: #FF6B35; }
.theme-christmas { background: #D32F2F; }
.theme-halloween { background: #7B1FA2; }

/* ─── BOOTSTRAP OVERRIDES ─── */
.btn-primary {
    --bs-btn-bg: #1a2a4a !important;
    --bs-btn-border-color: #1a2a4a !important;
    --bs-btn-color: #ffffff !important;
    --bs-btn-hover-bg: #0f1a30 !important;
    --bs-btn-hover-border-color: #0f1a30 !important;
    --bs-btn-hover-color: #ffffff !important;
    --bs-btn-active-bg: #0f1a30 !important;
    --bs-btn-active-border-color: #0f1a30 !important;
    background-color: #1a2a4a !important;
    border-color: #1a2a4a !important;
    color: #ffffff !important;
    font-weight: 600;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: #0f1a30 !important;
    border-color: #0f1a30 !important;
    color: #ffffff !important;
}
.btn-outline-primary {
    --bs-btn-color: #1a2a4a !important;
    --bs-btn-border-color: #1a2a4a !important;
    --bs-btn-hover-bg: #1a2a4a !important;
    --bs-btn-hover-border-color: #1a2a4a !important;
    --bs-btn-hover-color: #ffffff !important;
    --bs-btn-active-bg: #1a2a4a !important;
    --bs-btn-active-border-color: #1a2a4a !important;
}
.card {
    border: 2px solid var(--accent);
    border-radius: 12px;
    background: #fff;
}
.card-title {
    color: var(--dark);
    font-weight: 700;
}
.card-header {
    background: #f7f8fa;
    border-bottom: 1px solid var(--border-color);
}
.card-footer {
    background: #f7f8fa;
    border-top: 1px solid var(--border-color);
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,42,74,0.1);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1200px) {
    .hero-slider .carousel-item img { height: 360px; }
}
@media (max-width: 992px) {
    .hero-slider .carousel-item img { height: 300px; }
    .countdown { gap: 1rem; }
    .countdown-item { min-width: 70px; padding: 0.6rem 1rem; }
    .countdown-item span { font-size: 1.5rem; }
    .ranges-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 768px) {
    .hero-slider .carousel-item img { height: 250px; }
    .countdown-item span { font-size: 1.25rem; }
    .countdown-item { min-width: 60px; padding: 0.5rem 0.75rem; }
    .ranges-grid { grid-template-columns: repeat(4, 1fr); }
    .nav-footer { justify-content: center; }
    .social-links { text-align: center; }
    .social-links a { margin: 0 0.5rem; }
}
@media (max-width: 576px) {
    .hero-slider .carousel-item img { height: 200px; }
    .carousel-caption { padding: 0.75rem; }
    .carousel-caption h3 { font-size: 1rem; }
    .carousel-caption p { font-size: 0.8rem; }
    .ranges-grid { grid-template-columns: repeat(3, 1fr); gap: 0.3rem; }
    .range-item { padding: 0.35rem 0.2rem; }
    .range-label { font-size: 0.7rem; }
    .countdown { gap: 0.5rem; }
    .countdown-item { min-width: 50px; padding: 0.4rem 0.5rem; }
    .countdown-item span { font-size: 1rem; }
    .countdown-item small { font-size: 0.6rem; }
}