: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-guest{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 10px 10px 18px;box-shadow:var(--shadow);color:var(--text-soft);font-size:14px}.guest-login{text-decoration:none;background:var(--accent);color:#fff;padding:10px 22px;border-radius:10px;font-weight:600;flex-shrink:0}.guest-login:hover{opacity:.9}.login-btn{display:inline-flex;align-items:center;background:var(--accent);color:#fff;text-decoration:none;font-size:14px;font-weight:600;padding:8px 18px;border-radius:999px;transition:opacity .15s ease}.login-btn:hover{opacity:.9}.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}}.admin{max-width:1100px;margin:0 auto;padding:20px}.admin-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.admin-header h1{font-size:22px;margin:0}.admin-sub{margin:4px 0 0;font-size:13px;color:var(--text-soft)}.admin-actions{display:flex;gap:8px}.admin-denied{max-width:480px;margin:100px auto;text-align:center;color:var(--text)}.admin-denied p{color:var(--text-soft);margin:12px 0 20px}.admin-filters{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:16px}.filter-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px}.filter-row label{display:flex;flex-direction:column;font-size:12px;color:var(--text-soft);gap:4px}.filter-row select,.filter-row input[type=date],.filter-row input[type=text]{border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:14px;background:#fff;color:var(--text);outline:none}.filter-row input[type=text]{width:180px}.checkbox-label{flex-direction:row!important;align-items:center;gap:6px!important;font-size:13px!important;color:var(--text)!important;padding-bottom:9px}.admin-flash{margin-top:10px;font-size:13px;color:#1a7f37}.admin-stats{display:grid;grid-template-columns:200px 1fr 1fr;gap:14px;margin-bottom:20px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.stat-num{font-size:34px;font-weight:700;display:block}.stat-label{font-size:13px;color:var(--text-soft);display:block;margin-bottom:8px}.stat-users ul{list-style:none;margin:0;padding:0}.stat-users li{display:flex;justify-content:space-between;padding:3px 0;font-size:14px}.stat-muted{color:#b4b1a9;font-size:13px}.hour-bars{display:flex;align-items:flex-end;gap:2px;height:90px}.hour-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}.hour-bar{width:100%;max-width:14px;background:var(--accent);border-radius:2px 2px 0 0;min-height:1px}.hour-label{font-size:9px;color:var(--text-soft);margin-top:3px}.admin-logs h2{font-size:16px;margin:0 0 10px}.muted{color:var(--text-soft);font-weight:400;font-size:13px}.admin-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14px}.admin-table th,.admin-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.admin-table th{background:#fafaf7;color:var(--text-soft);font-size:12px;font-weight:600}.admin-table tr:last-child td{border-bottom:none}.row-hidden{opacity:.55;background:#fafaf7}.cell-content{max-width:380px;word-break:break-word}.nowrap{white-space:nowrap}.content-text{white-space:pre-wrap}.badge{font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}.badge-normal{background:var(--accent-soft);color:var(--accent)}.badge-hidden{background:#f0eee9;color:#8a857a}.mini-btn{border:1px solid var(--line);background:#fff;border-radius:6px;font-size:12px;padding:4px 10px;cursor:pointer;color:var(--text);margin-right:6px}.mini-btn:hover{border-color:#cfccc4;background:#fafaf7}.mini-btn.danger{color:#d64545}.mini-btn.danger:hover{border-color:#e3b3b3;background:#fdf3f3}.edit-row{display:flex;gap:6px;align-items:center}.edit-row input{flex:1;border:1px solid var(--accent);border-radius:6px;padding:6px 8px;font-size:14px;min-width:200px;outline:none}.admin-link{font-size:13px;color:var(--accent);text-decoration:none;padding:6px 12px;border:1px solid var(--accent);border-radius:999px;font-weight:600}.admin-link:hover{background:var(--accent-soft)}@media(max-width:800px){.admin-stats{grid-template-columns:1fr}.filter-row{flex-direction:column;align-items:stretch}.admin-table{font-size:12px}.cell-content{max-width:140px}}