:root{--accent: #f82878;--accent-dark: #0b0f0d;--cta: #f82878}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100dvh;overflow:hidden;background:#0a0a0c;color:#f5f5f7;font-family:system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}#root{display:flex;justify-content:center}.app{position:relative;width:min(100vw,470px);height:100dvh;background:#000}.topbar{position:absolute;top:env(safe-area-inset-top,0);left:0;right:0;z-index:20;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.brand{font-weight:800;font-size:18px;letter-spacing:.5px;color:var(--accent);text-shadow:0 1px 4px rgba(0,0,0,.8);display:flex;align-items:center;gap:8px}.brand-logo{width:28px;height:28px;border-radius:8px;box-shadow:0 1px 4px #00000080}.login-logo{width:96px;height:96px;border-radius:24px;box-shadow:0 4px 20px #00000073}.topbar-right{display:flex;align-items:center;gap:8px;pointer-events:auto}.whoami{font-size:12px;font-weight:600;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.9)}.icon-btn{border:1px solid rgba(255,255,255,.22);background:#000000a6;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:#fff;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;cursor:pointer;box-shadow:0 2px 8px #00000080}.feed{height:100%;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none}.feed::-webkit-scrollbar{display:none}.card-slot{height:100%;scroll-snap-align:start;scroll-snap-stop:always}.card{position:relative;height:100%;overflow:hidden;background:#000}.player-wrap{position:absolute;top:-60px;bottom:-80px;left:0;right:0}.player-wrap iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.thumb{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;filter:brightness(.55)}.tap-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;background:none;border:0;cursor:pointer}.heart-burst{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:8;pointer-events:none;animation:heart-pop .65s ease forwards;filter:drop-shadow(0 2px 12px rgba(0,0,0,.5))}@keyframes heart-pop{0%{transform:translate(-50%,-50%) scale(.3);opacity:0}25%{transform:translate(-50%,-50%) scale(1.15);opacity:1}60%{transform:translate(-50%,-50%) scale(1);opacity:1}to{transform:translate(-50%,-50%) scale(1.15);opacity:0}}.hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:6;background:#000000c7;border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:10px 18px;font-size:15px;font-weight:600;pointer-events:none;display:flex;align-items:center;gap:8px}.meta{position:absolute;left:0;right:64px;bottom:0;z-index:10;padding:16px;padding-bottom:calc(20px + env(safe-area-inset-bottom,0));background:linear-gradient(transparent,#000000d9);pointer-events:none}.author{font-weight:700;font-size:15px;margin-bottom:4px}.title{font-size:13px;color:#d7d7de;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tags{margin-top:6px;display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:11px;color:var(--accent)}.reason{margin-top:8px;font-size:11px;color:#c9c9d4;font-style:italic;text-shadow:0 1px 3px rgba(0,0,0,.8)}.rail{position:absolute;right:8px;bottom:calc(80px + env(safe-area-inset-bottom,0));z-index:10;display:flex;flex-direction:column;gap:14px}.rail-btn{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.22);background:#000000a6;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:#fff;cursor:pointer;display:grid;place-items:center;transition:transform .1s;box-shadow:0 2px 8px #00000080}.rail-btn svg{filter:drop-shadow(0 1px 2px rgba(0,0,0,.6))}.rail-btn:active{transform:scale(1.2)}.rail-btn.liked{background:#000000a6;border-color:#f82878bf}.empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#9a9aa5}.empty-sub{font-size:12px;max-width:280px;text-align:center}.toast{position:absolute;bottom:100px;left:50%;transform:translate(-50%);z-index:30;background:var(--accent);color:#000;font-weight:600;font-size:13px;padding:8px 16px;border-radius:20px}.onboarding{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:32px;text-align:center}.onboarding h1{color:var(--accent);font-size:34px;letter-spacing:.5px}.onboarding p{color:#b9b9c2;font-size:15px}.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:340px}.chip{border:1px solid #3a3a44;background:#17171c;color:#f5f5f7;border-radius:20px;padding:9px 15px;font-size:14px;cursor:pointer}.chip-on{background:var(--accent);border-color:var(--accent);color:#000;font-weight:600}.cta{margin-top:10px;background:var(--cta);color:#fff;border:0;border-radius:24px;padding:13px 30px;font-size:16px;font-weight:700;cursor:pointer}.cta:disabled{opacity:.6}.auth-form{display:flex;flex-direction:column;gap:12px;width:min(100%,300px)}.auth-form input{background:#17171c;border:1px solid #3a3a44;border-radius:12px;color:#f5f5f7;font-size:15px;padding:12px 14px;outline:none}.auth-form input:focus{border-color:var(--accent)}.auth-error{color:var(--cta);font-size:13px}.link-btn{background:none;border:0;color:var(--accent);font-size:14px;cursor:pointer}.link-btn.subtle{color:#9a9aa5}.sheet-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;background:#0009;display:flex;align-items:flex-end}.sheet{width:100%;background:#141419;border-top:1px solid #2a2a33;border-radius:20px 20px 0 0;padding:16px 24px calc(24px + env(safe-area-inset-bottom,0));display:flex;flex-direction:column;align-items:center;gap:14px;animation:sheet-up .25s ease}@keyframes sheet-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet-handle{width:40px;height:4px;border-radius:2px;background:#3a3a44}.sheet h2{font-size:17px;text-align:center}