:root{--bg:#0b0b14;--card:#151524;--acc1:#ff2d55;--acc2:#7b2ff7;--txt:#fff;--mut:#9aa0b4;--nav-h:64px;--sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}
html{height:100%}
body{margin:0;font-family:'Segoe UI',system-ui;background:var(--bg);color:var(--txt);min-height:100%;-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
.topbar{position:sticky;top:0;z-index:50;background:rgba(11,11,20,.92);backdrop-filter:blur(12px);border-bottom:1px solid #222;display:flex;align-items:center;gap:12px;padding:8px 14px;padding-top:calc(8px + var(--sat))}
.logo{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--acc1),var(--acc2));color:#fff;font-size:22px;font-weight:900;flex:0 0 auto;box-shadow:0 2px 12px rgba(255,45,85,.5)}
.nav{display:flex;gap:8px;margin-inline-start:auto}.nav a{padding:8px 14px;border-radius:20px;background:#1e1e32;font-size:14px}.nav a.active,.nav a:hover{background:linear-gradient(135deg,var(--acc1),var(--acc2))}
.layout{max-width:1200px;margin:auto;display:grid;grid-template-columns:1fr 320px;gap:18px;padding:16px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}}
.feed{display:flex;flex-direction:column;gap:18px;align-items:center}
.vcard{background:var(--card);border-radius:20px;overflow:hidden;width:100%;max-width:460px;border:1px solid #26263d;box-shadow:0 10px 40px rgba(0,0,0,.4)}
.vcard video{width:100%;max-height:72vh;background:#000;display:block}
.vinfo{padding:12px 14px}.vuser{font-weight:700}.verified{color:#20a8ff;background:#fff;border-radius:50%;font-size:12px;padding:0 5px}
.actions{display:flex;gap:14px;padding:10px 14px;border-top:1px solid #26263d}.actions button{background:#1e1e32;border:0;color:#fff;padding:8px 14px;border-radius:20px;cursor:pointer}
.acard{background:var(--card);border-radius:20px;padding:16px;width:100%;max-width:460px;border:1px solid #26263d}
.acard img{width:100%;border-radius:14px}
.sidebar .box{background:var(--card);border-radius:16px;padding:14px;margin-bottom:14px;border:1px solid #26263d}
.btn{background:linear-gradient(135deg,var(--acc1),var(--acc2));border:0;color:#fff;padding:10px 18px;border-radius:12px;cursor:pointer;font-weight:700}
input,textarea,select{width:100%;padding:11px;margin:6px 0;border-radius:10px;border:1px solid #333;background:#0e0e1a;color:#fff;font-size:16px}
.sponsored{border:2px solid gold !important}.badge-gold{background:gold;color:#000;font-size:12px;padding:2px 8px;border-radius:10px}
/* PWA popups */
#pwaAndroid,#pwaIOS{position:fixed;bottom:calc(var(--nav-h) + var(--sab) + 12px);inset-inline:16px;background:#1c1c30;border:1px solid #444;padding:16px;border-radius:16px;display:none;z-index:999;box-shadow:0 10px 40px #000}
/* ===== DONE TikTok mode: fullscreen + bottom nav + كل الهواتف ===== */
.tk-app{height:100vh;height:100dvh;overflow:hidden;background:#000;overscroll-behavior:none}
.tk-top{position:fixed;top:0;inset-inline:0;z-index:55;display:flex;align-items:center;justify-content:center;padding:calc(10px + var(--sat)) 14px 14px;background:linear-gradient(rgba(0,0,0,.55),transparent);pointer-events:none}
.tk-top>*{pointer-events:auto}
.tk-tabs{display:flex;background:rgba(255,255,255,.14);border-radius:20px;padding:3px;backdrop-filter:blur(8px)}
.tk-tabs a{padding:6px 20px;border-radius:16px;font-size:14px;font-weight:700;color:#ddd;white-space:nowrap}
.tk-tabs a.on{background:#fff;color:#000}
.tk-feed{height:100vh;height:100dvh;overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none;background:#000}
.tk-feed::-webkit-scrollbar{display:none}
.tk-slide{position:relative;height:100vh;height:100dvh;scroll-snap-align:start;scroll-snap-stop:always;background:#000;overflow:hidden}
@media(min-width:768px){.tk-slide{max-width:480px;margin:0 auto;border-inline:1px solid #1c1c2c}}
.tk-media{position:absolute;inset:0}
.tk-media video,.tk-media iframe{width:100% !important;height:100% !important;max-height:none !important;border:0;object-fit:cover;background:#000;display:block}
.tk-gradient{position:absolute;inset-inline:0;bottom:0;height:40%;background:linear-gradient(transparent,rgba(0,0,0,.78));pointer-events:none}
.tk-rail{position:absolute;inset-inline-end:8px;bottom:calc(var(--nav-h) + var(--sab) + 84px);display:flex;flex-direction:column;gap:14px;align-items:center;z-index:5}
.tk-act{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:0;color:#fff;cursor:pointer;font-size:12px;font-weight:700;text-shadow:0 1px 6px rgba(0,0,0,.8);padding:2px}
.tk-act .ic{font-size:28px;line-height:1.2;filter:drop-shadow(0 2px 6px rgba(0,0,0,.6))}
.tk-ava{width:46px;height:46px;border-radius:50%;border:2px solid #fff;object-fit:cover;background:#333;display:block}
.tk-meta{position:absolute;inset-inline-start:10px;inset-inline-end:72px;bottom:calc(var(--nav-h) + var(--sab) + 16px);z-index:5;text-shadow:0 1px 6px rgba(0,0,0,.85)}
.tk-meta .u{font-weight:800;font-size:16px}
.tk-meta .t{font-size:14px;margin-top:4px}
.tk-meta .s{font-size:12px;opacity:.8;margin-top:4px}
.tk-cta{display:inline-block;margin-top:8px;background:gold;color:#000;font-weight:800;padding:8px 20px;border-radius:20px;font-size:14px}
@media(max-height:540px){.tk-rail{gap:8px;bottom:calc(var(--nav-h) + var(--sab) + 60px)}.tk-act .ic{font-size:22px}.tk-ava{width:38px;height:38px}}
/* الشريط السفلي مثل تيك توك */
.bottomnav{position:fixed;bottom:0;inset-inline:0;z-index:60;display:flex;justify-content:space-around;align-items:center;background:rgba(5,5,12,.94);backdrop-filter:blur(14px);border-top:1px solid #23233a;padding:8px 4px calc(8px + var(--sab))}
.bottomnav a.bn{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--mut);min-width:58px;padding:4px 6px}
.bottomnav a.bn .ic{font-size:22px;line-height:1.2}
.bottomnav a.bn.on,.bottomnav a.bn:hover{color:#fff}
.bn-fab{width:54px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--acc1),var(--acc2));display:flex;align-items:center;justify-content:center;font-size:26px;line-height:1;color:#fff;font-weight:900;box-shadow:0 2px 14px rgba(255,45,85,.55)}
/* البحث */
.searchwrap{max-width:560px;margin:0 auto;padding:calc(12px + var(--sat)) 14px 14px}
.searchbar{display:flex;gap:8px}
.searchbar input{flex:1;background:#1a1a2c;border:1px solid #333}
.result-row{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid #26263d;border-radius:16px;padding:10px 12px;margin:8px 0}
.result-row img{width:50px;height:50px;border-radius:50%;object-fit:cover;background:#333;flex:0 0 auto}
.result-row .nm{font-weight:800}
.result-row .sub{font-size:12px;color:var(--mut)}
.result-row .btn{margin-inline-start:auto;padding:8px 16px;font-size:14px;white-space:nowrap}