/* =============================================================
 * Dosya: assets/css/tema.css
 * Amaç: Özel tema değişkenleri, dark/light mod, son dakika bandı
 *        animasyonu, responsive kurallar.
 *        Tailwind CDN'e ek olarak yüklenir.
 * ============================================================= */

/* ============================================================
   CSS DEĞİŞKENLERİ – AÇIK MOD (varsayılan)
   ============================================================ */
:root,
[data-tema="acik"] {
    --bg-ana: #f8fafc;
    --bg-kart: #ffffff;
    --bg-kart-hover: #f1f5f9;
    --bg-nav: rgba(255, 255, 255, 0.97);
    --bg-ticker: #1d4ed8;
    --renk-metin: #0f172a;
    --renk-metin-ikincil: #475569;
    --renk-metin-uc: #94a3b8;
    --renk-sinir: rgba(0, 0, 0, 0.08);
    --renk-sinir-kart: rgba(0, 0, 0, 0.06);
    --renk-vurgu: #2563eb;
    --renk-vurgu-hover: #1d4ed8;
    --renk-son-dakika: #dc2626;
    --renk-rozet-bg: rgba(37, 99, 235, 0.10);
    --renk-rozet-yazi: #2563eb;
    --golge-kart: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* ============================================================
   CSS DEĞİŞKENLERİ – KOYU MOD
   ============================================================ */
[data-tema="koyu"] {
    --bg-ana: #0f172a;
    --bg-kart: #1e293b;
    --bg-kart-hover: #263347;
    --bg-nav: rgba(15, 23, 42, 0.97);
    --bg-ticker: #1e3a5f;
    --renk-metin: #e2e8f0;
    --renk-metin-ikincil: #94a3b8;
    --renk-metin-uc: #64748b;
    --renk-sinir: rgba(255, 255, 255, 0.08);
    --renk-sinir-kart: rgba(255, 255, 255, 0.06);
    --renk-vurgu: #3b82f6;
    --renk-vurgu-hover: #2563eb;
    --renk-son-dakika: #ef4444;
    --renk-rozet-bg: rgba(59, 130, 246, 0.15);
    --renk-rozet-yazi: #60a5fa;
    --golge-kart: 0 4px 24px rgba(0, 0, 0, 0.4);
}

/* ============================================================
   TEMEL STİLLER
   ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-ana);
    color: var(--renk-metin);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    transition: background-color 0.25s ease, color 0.25s ease;
    min-height: 100vh;
}

/* ============================================================
   NAVİGASYON
   ============================================================ */
.site-nav {
    background: var(--bg-nav);
    border-bottom: 1px solid var(--renk-sinir);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-link {
    color: var(--renk-metin-ikincil);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    transition: color 0.15s, background-color 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--renk-metin);
    background-color: var(--renk-sinir);
}

/* ============================================================
   SON DAKİKA BANDI (TICKER)
   ============================================================ */
.son-dakika-bandi {
    background: var(--bg-ticker);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    height: 36px;
    display: flex;
    align-items: center;
}

.son-dakika-etiket {
    background: var(--renk-son-dakika);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.6rem;
    border-radius: 0.25rem;
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 0.75rem;
    margin-right: 0.75rem;
    text-transform: uppercase;
}

.ticker-sarici {
    flex: 1;
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.ticker-icerik {
    display: flex;
    align-items: center;
    animation: ticker-kaydir 40s linear infinite;
    white-space: nowrap;
    will-change: transform;
}

.ticker-icerik:hover {
    animation-play-state: paused;
}

.ticker-oge {
    display: inline-flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.90);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0 1.5rem;
    transition: color 0.15s;
    white-space: nowrap;
}

.ticker-oge:hover {
    color: #fff;
}

.ticker-oge::before {
    content: '●';
    color: var(--renk-son-dakika);
    font-size: 0.5rem;
    margin-right: 0.6rem;
    flex-shrink: 0;
}

@keyframes ticker-kaydir {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }

    /* 2x içerik için -50% */
}

/* Mobil ticker: animasyon hızını düşür, font küçült */
@media (max-width: 640px) {
    .ticker-icerik {
        animation-duration: 60s;
        /* Daha yavaş → daha okunabilir */
    }

    .ticker-oge {
        font-size: 0.75rem;
        padding: 0 1rem;
    }

    .son-dakika-etiket {
        font-size: 0.65rem;
        padding: 0.15rem 0.5rem;
    }
}

/* ============================================================
   HABER KARTLARI
   ============================================================ */
.haber-kart {
    background: var(--bg-kart);
    border: 1px solid var(--renk-sinir-kart);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    box-shadow: var(--golge-kart);
}

.haber-kart:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    border-color: var(--renk-vurgu);
}

.haber-kart-gorsel {
    aspect-ratio: 16/9;
    width: 100%;
    object-fit: cover;
    object-position: center;
    background: var(--bg-kart-hover);
}

.haber-rozet {
    display: inline-block;
    background: var(--renk-rozet-bg);
    color: var(--renk-rozet-yazi);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 0.3rem;
}

/* Haber liste görünümü (yatay kart) */
.haber-liste-kart {
    background: var(--bg-kart);
    border: 1px solid var(--renk-sinir-kart);
    border-radius: 0.875rem;
    display: flex;
    gap: 1rem;
    padding: 1rem;
    transition: all 0.2s ease;
}

.haber-liste-kart:hover {
    border-color: var(--renk-vurgu);
    background: var(--bg-kart-hover);
}

.haber-liste-gorsel {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 0.5rem;
    flex-shrink: 0;
    background: var(--bg-kart-hover);
}

@media (max-width: 480px) {
    .haber-liste-gorsel {
        width: 88px;
        height: 62px;
    }
}

/* ============================================================
   HERO MANŞETİ
   ============================================================ */
.hero-manset {
    position: relative;
    border-radius: 1.25rem;
    overflow: hidden;
    min-height: 420px;
    display: flex;
    align-items: flex-end;
}

.hero-manset-gorsel {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-manset:hover .hero-manset-gorsel {
    transform: scale(1.03);
}

.hero-manset-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
            rgba(0, 0, 0, 0.88) 0%,
            rgba(0, 0, 0, 0.45) 50%,
            rgba(0, 0, 0, 0.10) 100%);
}

.hero-manset-icerik {
    position: relative;
    padding: 1.5rem;
    z-index: 1;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar-bolum {
    background: var(--bg-kart);
    border: 1px solid var(--renk-sinir-kart);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.sidebar-baslik {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--renk-metin-uc);
    padding: 1rem;
    border-bottom: 1px solid var(--renk-sinir);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reklam-alani {
    background: var(--bg-kart-hover);
    border: 2px dashed var(--renk-sinir);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    color: var(--renk-metin-uc);
    font-size: 0.75rem;
    text-align: center;
}

/* ============================================================
   BÜLTEN ABONELİĞİ
   ============================================================ */
.bulten-alan {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(99, 102, 241, 0.10));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 0.875rem;
    padding: 1.25rem;
}

.bulten-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--renk-metin);
    border-radius: 0.5rem;
    padding: 0.6rem 0.875rem;
    font-size: 0.8rem;
    outline: none;
    transition: border-color 0.2s;
}

.bulten-input:focus {
    border-color: var(--renk-vurgu);
}

.bulten-input::placeholder {
    color: var(--renk-metin-uc);
}

[data-tema="koyu"] .bulten-input {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

/* ============================================================
   TEMA GEÇİŞ BUTONU
   ============================================================ */
.tema-butonu {
    width: 36px;
    height: 36px;
    border-radius: 0.625rem;
    border: 1px solid var(--renk-sinir);
    background: var(--bg-kart);
    color: var(--renk-metin-ikincil);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tema-butonu:hover {
    color: var(--renk-metin);
    border-color: var(--renk-vurgu);
    background: var(--renk-rozet-bg);
}

/* ============================================================
   GİRİŞ YAP BUTONU
   ============================================================ */
.giris-btn-nav {
    background: var(--renk-vurgu);
    color: #fff;
    border-radius: 0.625rem;
    padding: 0.45rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.15s;
    white-space: nowrap;
}

.giris-btn-nav:hover {
    background: var(--renk-vurgu-hover);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--bg-kart);
    border-top: 1px solid var(--renk-sinir);
    margin-top: 3rem;
}

/* ============================================================
   YARDIMCI SINIFLAR
   ============================================================ */
.metin-ana {
    color: var(--renk-metin);
}

.metin-ikincil {
    color: var(--renk-metin-ikincil);
}

.metin-uc {
    color: var(--renk-metin-uc);
}

.bg-kart {
    background: var(--bg-kart);
}

.sinir-kart {
    border-color: var(--renk-sinir-kart);
}

/* İçerik bulunamadı kutusu */
.bos-durum {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--renk-metin-uc);
}

.bos-durum-ikon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

/* Sayfalama */
.sayfalama-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    border: 1px solid var(--renk-sinir);
    color: var(--renk-metin-ikincil);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.15s;
}

.sayfalama-btn:hover,
.sayfalama-btn.aktif {
    background: var(--renk-vurgu);
    border-color: var(--renk-vurgu);
    color: #fff;
}

/* Breadcrumb */
.breadcrumb-link {
    color: var(--renk-metin-uc);
    font-size: 0.8rem;
    text-decoration: none;
    transition: color 0.15s;
}

.breadcrumb-link:hover {
    color: var(--renk-vurgu);
}

/* ============================================================
   MOBİL HAMBURGER MENÜSÜ (ön yüz)
   ============================================================ */
.mobil-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--bg-ana);
    padding: 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
}

.mobil-menu.acik {
    display: flex;
}

.mobil-nav-link {
    color: var(--renk-metin);
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    text-decoration: none;
    display: block;
    border-bottom: 1px solid var(--renk-sinir);
}

@media (min-width: 768px) {
    .mobil-menu {
        display: none !important;
    }
}

/* ============================================================
   FOUC ÖNLEYİCİ (sayfa yüklenmeden önce tema uygulanır)
   Bu script <head> içinde inline çalışır, CSS transition olmadan
   ============================================================ */
.no-transition * {
    transition: none !important;
}