: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;align-items:flex-start;gap:10px;padding:10px 4px}.entry-right{flex-direction:row-reverse}.entry-bubble{max-width:74%;min-width:0;padding:9px 14px 11px;border-radius:16px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}.entry-left .entry-bubble{border-top-left-radius:4px}.entry-right .entry-bubble{border-top-right-radius:4px;background:var(--accent-soft);border-color:transparent}.entry-head{display:flex;align-items:baseline;gap:8px;margin-bottom:3px}.entry-name{font-size:13px;font-weight:600;color:var(--text-soft)}.entry-time{font-size:12px;color:var(--text-soft);opacity:.75;font-variant-numeric:tabular-nums;letter-spacing:.4px}.entry-content{margin:0;font-size:17px;font-weight:500;line-height:1.55;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:16px}.entry{padding:9px 2px;gap:8px}.entry-bubble{max-width:80%}.send{padding:10px 16px}}@media(prefers-reduced-motion:reduce){.entry,.floating button{transition:none}}.admin{max-width:1120px;margin:0 auto;padding:28px 24px 60px;color:var(--text)}.admin-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.admin-brand h1{font-size:26px;margin:0 0 4px;letter-spacing:.3px}.admin-sub{margin:0;font-size:13.5px;color:var(--text-soft)}.admin-header-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.admin-badge{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;box-shadow:var(--shadow)}.badge-dot{width:8px;height:8px;border-radius:50%;background:#1a7f37;box-shadow:0 0 0 3px #1a7f3726}.btn-primary,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;transition:all .18s ease;border:1px solid transparent}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 12px #1f6feb47}.btn-primary:hover:not(:disabled){background:#175fc9;transform:translateY(-1px);box-shadow:0 6px 16px #1f6feb52}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}.btn-ghost:hover{border-color:#cfccc4;background:#fafaf7;transform:translateY(-1px)}.filter-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);margin-bottom:20px;overflow:hidden}.filter-card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .15s ease}.filter-card-head:hover{background:#fafaf7}.filter-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}.filter-icon{font-size:16px}.filter-spinner{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.chevron{font-size:14px;color:var(--text-soft);transition:transform .25s ease;display:inline-block}.chevron.open{transform:rotate(180deg)}.filter-body{padding:4px 18px 18px;border-top:1px solid var(--line);animation:fadeSlide .22s ease}@keyframes fadeSlide{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.filter-row{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;padding-top:14px}.filter-item{display:flex;flex-direction:column;gap:5px}.filter-label{font-size:12px;color:var(--text-soft);font-weight:500}.filter-item input[type=date],.filter-item select,.filter-item input[type=text]{border:1px solid var(--line);border-radius:9px;padding:8px 11px;font-size:14px;background:#fff;color:var(--text);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.filter-item input:focus,.filter-item select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1f6feb1f}.filter-item input[type=text]{width:180px}.seg{display:inline-flex;background:#f0efe9;border-radius:9px;padding:3px;gap:2px}.seg-btn{border:none;background:transparent;border-radius:7px;padding:6px 14px;font-size:13px;cursor:pointer;color:var(--text-soft);transition:all .15s ease}.seg-btn.active{background:#fff;color:var(--text);font-weight:600;box-shadow:0 1px 4px #1414101f}.checkbox-item{flex-direction:row;align-items:center;gap:7px;font-size:13px;color:var(--text);padding-bottom:10px;cursor:pointer}.checkbox-item input{accent-color:var(--accent);width:16px;height:16px}.filter-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}.admin-flash{background:#e8f5ec;color:#1a7f37;border:1px solid #bfe3c8;border-radius:10px;padding:10px 14px;font-size:13.5px;font-weight:500;margin-bottom:14px;animation:fadeSlide .25s ease}.stats-grid{display:grid;grid-template-columns:240px 1fr 1fr;gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);min-height:150px}.stat-total{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#eef4ff,#fff 60%)}.stat-icon{font-size:34px}.stat-num{font-size:42px;font-weight:800;line-height:1;display:block;background:linear-gradient(135deg,var(--accent),#5aa2ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-label{font-size:13px;color:var(--text-soft);display:block;margin-top:6px}.stat-range{font-size:12px;color:#a9a69e;display:block;margin-top:4px}.stat-card-title{font-size:14px;font-weight:600;margin-bottom:12px}.stat-empty{color:#b4b1a9;font-size:13px;margin:10px 0 0}.user-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.user-row{display:flex;align-items:center;gap:8px;font-size:13.5px}.user-dot{width:22px;height:22px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}.user-name-cell{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-count{font-weight:700;font-size:13px;color:var(--text)}.user-bar{height:4px;background:#f0efe9;border-radius:2px;margin-top:4px;overflow:hidden}.user-bar-fill{height:100%;background:linear-gradient(90deg,#8fc1ff,var(--accent));border-radius:2px;transition:width .4s ease}.hour-bars{display:flex;align-items:flex-end;gap:3px;height:110px;padding-top:10px}.hour-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;position:relative}.hour-bar{width:100%;max-width:16px;background:linear-gradient(180deg,#6ab3ff,var(--accent));border-radius:4px 4px 0 0;transition:height .4s ease;position:relative;min-height:2px}.hour-count{position:absolute;top:-18px;left:50%;transform:translate(-50%);font-size:10px;color:var(--text-soft);font-weight:600}.hour-label{font-size:9.5px;color:var(--text-soft);margin-top:4px}.logs-section{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:18px}.logs-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:10px}.logs-head h2{font-size:16px;margin:0}.muted{color:var(--text-soft);font-weight:400;font-size:13px}.filter-tag{background:var(--accent-soft);color:var(--accent);font-size:12.5px;padding:4px 10px;border-radius:999px;font-weight:500}.logs-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 0;gap:10px;color:var(--text-soft)}.logs-empty p{margin:0;font-size:14px}.empty-emoji{font-size:36px}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}.admin-table{width:100%;border-collapse:collapse;font-size:13.5px}.admin-table th{position:sticky;top:0;background:#fafaf7;color:var(--text-soft);font-size:12px;font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;z-index:1}.admin-table td{padding:12px 14px;border-bottom:1px solid #f0efe9;vertical-align:middle}.admin-table tbody tr{transition:background .12s ease}.admin-table tbody tr:hover{background:#fafaf8}.admin-table tbody tr:last-child td{border-bottom:none}.row-hidden{opacity:.5;background:#fafaf7}.row-hidden:hover{background:#f5f5f1!important}.th-actions{text-align:right}.time-main{display:block;font-weight:600;font-variant-numeric:tabular-nums}.time-date{font-size:11.5px;color:var(--text-soft)}.user-cell{display:inline-flex;align-items:center;gap:7px;font-weight:500;white-space:nowrap}.cell-content{max-width:400px;min-width:200px;word-break:break-word}.content-text{white-space:pre-wrap}.badge{font-size:11px;padding:3px 10px;border-radius:999px;font-weight:600;white-space:nowrap}.badge-normal{background:var(--accent-soft);color:var(--accent)}.badge-hidden{background:#f0eee9;color:#8a857a}.actions{text-align:right;white-space:nowrap}.mini-btn{display:inline-flex;align-items:center;gap:3px;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:12px;padding:5px 10px;cursor:pointer;color:var(--text);margin-left:6px;transition:all .14s ease}.mini-btn:hover{border-color:#cfccc4;background:#fafaf7;transform:translateY(-1px)}.mini-btn.ok{color:#1a7f37;border-color:#bfe3c8;background:#f2faf4}.mini-btn.warn{color:#9a6700;border-color:#f0dcab;background:#fdf8ec}.mini-btn.restore{color:var(--accent);border-color:#c7daf8;background:#f1f6fd}.mini-btn.danger{color:#d64545;border-color:#eccaca;background:#fdf4f4}.mini-btn.danger:hover{border-color:#d64545;background:#fbeaea}.edit-row{display:flex;flex-direction:column;gap:8px;min-width:240px}.edit-row textarea{border:1px solid var(--accent);border-radius:8px;padding:8px 10px;font-size:13.5px;font-family:inherit;outline:none;resize:vertical;box-shadow:0 0 0 3px #1f6feb1a}.edit-actions{display:flex;gap:6px}.admin-denied{max-width:460px;margin:100px auto;text-align:center;padding:40px 30px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.denied-icon{font-size:44px;margin-bottom:12px}.admin-denied h2{margin:0 0 8px;font-size:20px}.admin-denied p{color:var(--text-soft);margin:0 0 22px;font-size:14px}.denied-actions{display:flex;justify-content:center;gap:10px}@media(max-width:900px){.stats-grid{grid-template-columns:1fr}.admin{padding:18px 14px 40px}}@media(max-width:640px){.admin-header{flex-direction:column}.filter-row{flex-direction:column;align-items:stretch}.filter-item input[type=text]{width:100%}.cell-content{max-width:120px;min-width:100px}.actions{display:flex;flex-direction:column;gap:4px}.mini-btn{margin-left:0}}