:root{--bg: #f5f5f2;--surface: #ffffff;--text: #181818;--text-soft: #6b6b64;--line: #e7e5df;--accent: #1f6feb;--accent-soft: #e8f0fe;--radius: 14px;--shadow: 0 1px 2px rgba(20, 20, 16, .05)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow:hidden}.app{display:flex;flex-direction:column;height:100%;max-width:860px;margin:0 auto;padding:0 20px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0 12px;gap:16px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-dot{width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,#1f6feb,#6ab3ff);flex-shrink:0;box-shadow:0 0 0 4px var(--accent-soft)}.brand-title{font-size:22px;font-weight:700;letter-spacing:.5px;margin:0;line-height:1.25}.brand-date{margin:2px 0 0;font-size:13px;color:var(--text-soft)}.user{display:flex;align-items:center;gap:10px;flex-shrink:0}.user-name{font-weight:600;font-size:14px;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout{font-size:13px;color:var(--text-soft);text-decoration:none;padding:6px 12px;border:1px solid var(--line);border-radius:999px;transition:all .15s ease}.logout:hover{color:var(--text);border-color:#cfccc4;background:#fff}.avatar{border-radius:50%;object-fit:cover;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;-webkit-user-select:none;user-select:none}.avatar-fallback{line-height:1}.feed{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d6d3cb transparent;position:relative}.feed::-webkit-scrollbar{width:8px}.feed::-webkit-scrollbar-thumb{background:#d6d3cb;border-radius:4px}.feed-end{height:40px}.entry{display:flex;gap:14px;padding:18px 4px;border-bottom:1px solid var(--line)}.entry-body{flex:1;min-width:0}.entry-head{display:flex;align-items:baseline;gap:10px}.entry-name{font-weight:600;font-size:15px}.entry-time{font-size:13px;color:var(--text-soft);font-variant-numeric:tabular-nums;letter-spacing:.4px}.entry-content{margin:6px 0 0;font-size:19px;font-weight:500;letter-spacing:.2px;white-space:pre-wrap;word-break:break-word}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-soft);gap:6px}.empty p{margin:0;font-size:18px}.empty-sub{font-size:14px!important;opacity:.8}.floating{position:sticky;bottom:12px;display:flex;justify-content:center;gap:10px;margin-top:-52px;margin-bottom:12px;pointer-events:none;z-index:5}.floating button{pointer-events:auto;cursor:pointer;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow),0 6px 18px #14141014;border-radius:999px;font-size:13px;font-weight:600;padding:8px 16px;transition:transform .12s ease,box-shadow .12s ease}.floating button:hover{transform:translateY(-1px);box-shadow:0 8px 22px #1414101f}.floating .pill{background:var(--accent);border-color:var(--accent);color:#fff}.floating .play-toggle{color:var(--text-soft)}.composer{padding:10px 0 14px;background:linear-gradient(180deg,rgba(245,245,242,0),var(--bg) 40%)}.composer-form{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:6px 6px 6px 16px;box-shadow:var(--shadow)}.composer-input{flex:1;min-width:0;border:none;outline:none;font-size:16px;background:transparent;color:var(--text);padding:10px 0}.composer-input::placeholder{color:#a9a69e}.counter{font-size:12px;color:#b4b1a9;font-variant-numeric:tabular-nums;flex-shrink:0}.counter-over{color:#d64545}.send{border:none;border-radius:10px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;padding:10px 22px;cursor:pointer;transition:opacity .15s ease,transform .1s ease;flex-shrink:0}.send:disabled{opacity:.45;cursor:not-allowed}.send:not(:disabled):active{transform:scale(.97)}.composer-error{margin:8px 2px 0;font-size:13px;color:#d64545}.loading{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--text-soft)}.loading-dot{width:22px;height:22px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.link{color:var(--accent);text-decoration:none}@media(max-width:640px){.app{padding:0 12px}.brand-title{font-size:19px}.user-name{display:none}.entry-content{font-size:17px}.entry{padding:14px 2px;gap:10px}.send{padding:10px 16px}}@media(prefers-reduced-motion:reduce){.entry,.floating button{transition:none}}