:root {
  --bg: #000;
  --text: #fff;
  --muted: rgba(255,255,255,.72);
  --panel: rgba(0,0,0,.30);
  --border: rgba(255,255,255,.14);
  --shadow: 0 12px 40px rgba(0,0,0,.36);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --yellow: #ffd84d;
}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#000;color:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}
#app{width:100%;height:100%;background:#000;position:relative}
.feed{width:100%;height:100%;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;background:#000}
.feed::-webkit-scrollbar{width:0;height:0}
.slide{position:relative;width:100%;height:100dvh;min-height:100svh;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;background:#000}
.player-shell,.player-host,.player-host iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.player-shell{background:radial-gradient(circle at 50% 30%, rgba(255,255,255,.06), transparent 35%), radial-gradient(circle at 80% 100%, rgba(255,255,255,.05), transparent 30%), #000}
.player-host{transform:scale(1.01)}
.player-host iframe{pointer-events:none}
.backdrop{position:absolute;inset:0;background:linear-gradient(to bottom, rgba(0,0,0,.26) 0%, rgba(0,0,0,.05) 24%, rgba(0,0,0,.18) 56%, rgba(0,0,0,.85) 100%), linear-gradient(to right, rgba(0,0,0,.14), rgba(0,0,0,0) 30%, rgba(0,0,0,0) 70%, rgba(0,0,0,.1));pointer-events:none}
.topbar{position:absolute;top:calc(var(--safe-top) + 12px);left:14px;right:14px;z-index:12;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;background:rgba(0,0,0,.28);backdrop-filter:blur(16px);border:1px solid var(--border);box-shadow:var(--shadow)}
.brand-dot{width:10px;height:10px;border-radius:999px;background:var(--yellow);animation:brandPulse 2.2s ease-in-out infinite;box-shadow:0 0 0 rgba(255,216,77,0)}
@keyframes brandPulse{0%,100%{opacity:.35;box-shadow:0 0 0 rgba(255,216,77,0)}50%{opacity:1;box-shadow:0 0 8px rgba(255,216,77,.55),0 0 18px rgba(255,216,77,.35),0 0 34px rgba(255,216,77,.2)}}
.brand-text{font-size:14px;font-weight:700;letter-spacing:.02em}
.mute-button,.message-open,.message-send{appearance:none;border:0;cursor:pointer}
.mute-button{width:44px;height:44px;border-radius:999px;background:rgba(0,0,0,.28);color:#fff;display:grid;place-items:center;backdrop-filter:blur(16px);border:1px solid var(--border);box-shadow:var(--shadow)}
.side-actions{position:absolute;right:12px;bottom:calc(var(--safe-bottom) + 118px);z-index:12;display:flex;flex-direction:column;gap:12px}
.icon-link,.message-open{width:52px;height:52px;border-radius:999px;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(16px);box-shadow:var(--shadow);display:grid;place-items:center;color:#fff}
.icon-link svg,.mute-button svg,.center-play svg,.source-badge svg,.message-open svg,.message-send svg,.message-close svg,.loading-logo svg{width:23px;height:23px;fill:currentColor}
.meta{position:absolute;left:14px;right:84px;bottom:calc(var(--safe-bottom) + 18px);z-index:12;display:flex;flex-direction:column;gap:12px}
.source-badge{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.18);font-size:12px;font-weight:700;letter-spacing:.03em;color:#fff}
.caption{max-width:min(720px,95vw)}
.caption h2{margin:0 0 8px 0;font-size:clamp(18px,2.5vw,28px);line-height:1.05;letter-spacing:-.03em}
.caption p{margin:0;font-size:clamp(14px,1.5vw,16px);line-height:1.35;color:var(--muted)}
.center-tap{position:absolute;inset:0;z-index:6;cursor:pointer}
.center-play{position:absolute;inset:0;margin:auto;width:82px;height:82px;border-radius:999px;display:grid;place-items:center;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(14px);opacity:0;transform:scale(.9);transition:opacity .18s ease,transform .18s ease;color:#fff}
.slide.paused .center-play{opacity:1;transform:scale(1)}
.progress-rail{position:absolute;top:calc(var(--safe-top) + 68px);left:14px;right:14px;z-index:12;display:grid;grid-template-columns:repeat(var(--count,1),1fr);gap:6px}
.progress-seg{height:3px;border-radius:999px;background:rgba(255,255,255,.22);overflow:hidden}
.progress-seg::after{content:"";display:block;width:100%;height:100%;background:#fff;transform:scaleX(0);transform-origin:left center;transition:transform .26s ease,opacity .26s ease;opacity:.35}
.progress-seg.active::after{transform:scaleX(1);opacity:1}
.message-modal{position:fixed;inset:0;z-index:40;display:none;align-items:flex-end;justify-content:center;background:rgba(0,0,0,.38);backdrop-filter:blur(8px);padding:18px}
.message-modal.open{display:flex}
.message-card{width:min(520px,100%);background:#0b0b0c;border:1px solid rgba(255,255,255,.12);border-radius:26px;padding:16px;box-shadow:0 30px 80px rgba(0,0,0,.55)}
.message-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.message-title{font-size:16px;font-weight:700}.message-close{width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:#fff;display:grid;place-items:center;cursor:pointer}.message-form{display:flex;flex-direction:column;gap:12px}.message-form input,.message-form textarea{width:100%;background:#111214;color:#fff;border:1px solid rgba(255,255,255,.10);border-radius:18px;padding:14px 16px;outline:none}.message-form textarea{min-height:120px;resize:vertical}.message-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.message-status{font-size:13px;color:rgba(255,255,255,.72);min-height:18px}.message-send{width:48px;height:48px;border-radius:999px;background:#fff;color:#000;display:grid;place-items:center}
.loading,.empty-state{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;background:#000}.loading-box,.empty-box{display:flex;flex-direction:column;align-items:center;gap:14px;color:#fff}.loading-logo{width:72px;height:72px;border-radius:999px;border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;background:rgba(255,255,255,.04);color:#fff}.loading-ring{width:54px;height:54px;border-radius:999px;border:3px solid rgba(255,255,255,.14);border-top-color:#fff;animation:spin 1s linear infinite}.loading-text{font-size:15px;color:rgba(255,255,255,.78)}@keyframes spin{to{transform:rotate(360deg)}}
@media (max-width:640px){.topbar{left:10px;right:10px}.meta{left:10px;right:76px}.side-actions{right:10px;bottom:calc(var(--safe-bottom) + 106px)}.icon-link,.message-open{width:48px;height:48px}.caption h2{font-size:22px}}