/* 5 seçilebilir tema (site + admin). Marka adı/logo yok; yalnız renk ve malzeme hissi.
   Kullanım: <html data-dyn-tema="siyah-krom"> ; seçici: /assets/js/dyn-tema.js */
:root,[data-dyn-tema="siyah-krom"]{--dyn-bg:#0b0c0f;--dyn-card:#16181d;--dyn-text:#eceff4;--dyn-muted:#8a93a3;--dyn-accent:#c9ced6;--dyn-accent2:#5b7cfa;
 --dyn-hero:linear-gradient(135deg,#050506 0%,#1d2026 45%,#3a3f47 50%,#111317 56%,#050506 100%);--dyn-radius:14px}
[data-dyn-tema="gece-ses"]{--dyn-bg:#07090c;--dyn-card:#11151b;--dyn-text:#f2f5f8;--dyn-muted:#7d8896;--dyn-accent:#00b7ff;--dyn-accent2:#ff7a00;
 --dyn-hero:radial-gradient(circle at 75% 40%,rgba(0,183,255,.35),transparent 45%),repeating-radial-gradient(circle at 75% 40%,#0d1117 0 6px,#090b0f 6px 12px);--dyn-radius:10px}
[data-dyn-tema="safir-cam"]{--dyn-bg:#f3f6fb;--dyn-card:#ffffff;--dyn-text:#141a2a;--dyn-muted:#5f6b80;--dyn-accent:#c8102e;--dyn-accent2:#1c3f94;
 --dyn-hero:linear-gradient(120deg,#0f1b3d 0%,#23408e 40%,#7aa2e8 70%,#dfe9fb 100%);--dyn-radius:20px}
[data-dyn-tema="neon-gradyan"]{--dyn-bg:#0d0b1a;--dyn-card:#1a1730;--dyn-text:#f5f3ff;--dyn-muted:#a29bc7;--dyn-accent:#ff4fa3;--dyn-accent2:#7b5cff;
 --dyn-hero:linear-gradient(135deg,#ff4fa3 0%,#7b5cff 50%,#00d2ff 100%);--dyn-radius:24px}
[data-dyn-tema="turuncu-beyaz"]{--dyn-bg:#fafafa;--dyn-card:#ffffff;--dyn-text:#1b1b1b;--dyn-muted:#6b6b6b;--dyn-accent:#ff6900;--dyn-accent2:#2b2b2b;
 --dyn-hero:linear-gradient(135deg,#ff6900 0%,#ff9a3d 55%,#ffd2a8 100%);--dyn-radius:22px}
body.dyn-tema-aktif{background:var(--dyn-bg);color:var(--dyn-text)}
.dyn-tema-secici{position:fixed;right:14px;bottom:76px;z-index:9999;font:600 12px/1 Inter,system-ui,sans-serif}
.dyn-tema-secici>button{width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;background:var(--dyn-hero);box-shadow:0 6px 20px rgba(0,0,0,.35)}
.dyn-tema-panel{display:none;position:absolute;right:0;bottom:52px;background:var(--dyn-card);color:var(--dyn-text);border-radius:14px;padding:10px;box-shadow:0 10px 30px rgba(0,0,0,.35);min-width:180px}
.dyn-tema-secici.acik .dyn-tema-panel{display:block}
.dyn-tema-panel a{display:flex;align-items:center;gap:8px;padding:8px;border-radius:10px;color:inherit;text-decoration:none;cursor:pointer}
.dyn-tema-panel a:hover,.dyn-tema-panel a.on{background:rgba(127,127,127,.15)}
.dyn-tema-panel i{width:18px;height:18px;border-radius:50%;display:inline-block}