:root{--primary: #4f6ef2;--primary-dark: #3d57c9;--danger: #e5484d;--success: #30a46c;--bg: #f4f6fb;--card: #ffffff;--border: #e5e8f0;--text: #1f2430;--text-sub: #6b7280;--radius: 12px;--shadow: 0 4px 16px rgba(31, 36, 48, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px}button{cursor:pointer;font-family:inherit;border:none;background:none}input,select,textarea{font-family:inherit;font-size:14px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;width:100%;outline:none;transition:border-color .2s,box-shadow .2s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f6ef21f}a{text-decoration:none;color:inherit}.btn-primary{background:var(--primary);color:#fff;padding:9px 16px;border-radius:8px;font-weight:500;transition:background .2s}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary);padding:8px 14px;border-radius:8px;transition:all .2s}.btn-outline-btn{background:#4f6ef2;color:#fff}.btn-outline:hover{background:#4f6ef20f}.btn-outline-btn:hover{background:#4f6ef2;color:#fff}.btn-outline:disabled{opacity:.6;cursor:not-allowed}.btn-danger{background:var(--danger);color:#fff;padding:8px 14px;border-radius:8px}.btn-text{color:var(--text-sub);padding:6px 10px;border-radius:6px}.btn-text:hover{color:var(--primary)}.btn-mini{font-size:12px;color:var(--danger);padding:3px 8px;border:1px solid #f0c4c6;border-radius:6px}.btn-mini:hover{background:#fdf0f0}.btn-mini.ok{color:var(--success);border-color:#bce3cd}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#4f6ef2,#7b5cf0)}.login-card{width:400px;background:#fff;border-radius:16px;padding:40px;box-shadow:0 20px 60px #0003}.login-brand{text-align:center;margin-bottom:28px}.login-logo{width:56px;height:56px;margin:0 auto 14px;background:var(--primary);color:#fff;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700}.login-brand h1{font-size:20px;margin-bottom:6px}.login-brand p{color:var(--text-sub);font-size:13px}.login-form{display:flex;flex-direction:column;gap:16px}.login-form label span{display:block;margin-bottom:6px;color:var(--text-sub);font-size:13px}.login-hint{margin-top:20px;text-align:center;font-size:12px;color:var(--text-sub)}.form-error{background:#fdf0f0;color:var(--danger);padding:8px 12px;border-radius:8px;font-size:13px;margin:8px 0}.top-nav{display:flex;align-items:center;justify-content:space-between;background:#fff;padding:0 24px;height:60px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{font-weight:700;font-size:16px}.nav-menu{display:flex;gap:4px;height:100%}.nav-item{display:flex;align-items:center;padding:0 16px;color:var(--text-sub);font-size:14px;border-bottom:2px solid transparent;transition:all .2s}.nav-item:hover{color:var(--text)}.nav-item.active{color:var(--primary);border-bottom-color:var(--primary)}.nav-user{display:flex;align-items:center;gap:10px}.user-name{color:var(--text-sub);line-height:37px}.nav-user.dropdown{position:relative;cursor:pointer}.dropdown-menu{position:absolute;top:100%;right:0;min-width:120px;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);display:none;z-index:30;overflow:hidden}.nav-user.dropdown:hover .dropdown-menu{display:block}.dropdown-item{display:block;width:100%;text-align:left;padding:10px 14px;color:var(--text);font-size:14px}.dropdown-item:hover{background:#f4f6fb;color:var(--primary)}.content{max-width:96%;margin:0 auto;padding:24px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-head h2{font-size:20px}.empty{text-align:center;color:var(--text-sub);padding:60px 0}.room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.room-card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;transition:transform .2s}.room-card:hover{transform:translateY(-3px)}.room-card-head{display:flex;align-items:center;justify-content:space-between}.room-name{font-size:17px}.room-meta{display:flex;flex-direction:column;gap:4px;color:var(--text-sub);font-size:13px}.room-uuid{font-size:12px;color:var(--text-sub);font-family:monospace}.room-card-actions{display:flex;gap:8px;margin-top:auto;justify-content:space-between}.status-badge{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}.status-pending{background:#fef3e2;color:#b45309}.status-live{background:#e3f6ec;color:#15803d}.status-ended{background:#eef0f4;color:#6b7280}.status-canceled{background:#fdecec;color:#b91c1c}.room-page{height:100vh;display:flex;flex-direction:column}.room-head{display:flex;align-items:center;justify-content:space-between;background:#fff;padding:0 20px;height:60px;border-bottom:1px solid var(--border)}.room-title{display:flex;align-items:center;gap:12px}.room-title h2{font-size:18px}.room-uuid-tag{font-size:12px;color:var(--text-sub);font-family:monospace;background:var(--bg);padding:3px 8px;border-radius:6px}.room-actions{display:flex;gap:10px}.room-body{flex:1;display:flex;min-height:0}.room-main{flex:1;min-width:0;padding:16px;display:flex;flex-direction:column}.room-side{width:var(--side-width, 350px);flex-shrink:0;display:flex;flex-direction:column;border-left:1px solid var(--border);background:#fff}.resizer{width:6px;flex-shrink:0;cursor:col-resize;background:transparent;transition:background .2s}.resizer:hover{background:var(--primary)}.video-stage{flex:1;display:flex;flex-direction:column;background:#16181d;border-radius:var(--radius);overflow:hidden;position:relative}.video-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:8px;padding:16px;overflow-y:auto}.video-tile{position:relative;background:#000;border-radius:10px;overflow:hidden;aspect-ratio:16 / 9}.video-tile video{width:100%;height:100%;object-fit:cover}.video-label{position:absolute;bottom:8px;left:8px;background:#0000008c;color:#fff;padding:3px 10px;border-radius:6px;font-size:12px}.video-placeholder{grid-column:1 / -1;display:flex;align-items:center;justify-content:center;color:#9ca3af;height:100%}.stage-main{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}.stage-main .video-tile{width:100%;height:100%;aspect-ratio:auto;border-radius:0}.stage-main .video-tile video{object-fit:contain}.stage-main .video-placeholder{width:100%}.stage-thumbs{display:flex;gap:8px;padding:8px;overflow-x:auto;background:#0d0e11}.stage-thumbs .video-tile{width:180px;flex-shrink:0}.floating-thumbs{position:absolute;top:56px;right:12px;z-index:7;display:flex;gap:8px;cursor:move;touch-action:none}.floating-thumbs .video-tile{width:180px;flex-shrink:0}.video-error{position:absolute;top:12px;left:50%;transform:translate(-50%);background:#fdecec;color:#b91c1c;padding:8px 14px;border-radius:8px;z-index:5;display:flex;align-items:center;gap:10px;white-space:nowrap}.stage-tools{position:absolute;top:12px;right:12px;z-index:6;display:flex;gap:8px}.tool-btn{background:#0000008c;color:#fff;padding:5px 12px;border-radius:6px;font-size:12px;white-space:nowrap}.tool-btn:hover{background:#000000bf}.chat-toggle{display:none}.online-panel{border-bottom:1px solid var(--border)}.panel-head{padding:12px 16px;font-weight:600;border-bottom:1px solid var(--border)}.online-list{max-height:160px;overflow-y:auto;padding:8px}.online-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px}.online-item:hover{background:var(--bg)}.online-dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.online-name{flex:1;display:flex;align-items:center;gap:6px}.role-tag{font-style:normal;font-size:11px;color:var(--text-sub);background:var(--bg);padding:1px 6px;border-radius:4px}.chat-panel{flex:1;display:flex;flex-direction:column;min-height:0}.chat-head{padding:12px 16px;font-weight:600;border-bottom:1px solid var(--border)}.chat-list{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.chat-item{display:flex;flex-direction:column;align-items:flex-start;gap:4px;font-size:13px;line-height:1.5}.chat-meta{display:flex;align-items:center;gap:8px;width:100%}.chat-sender{color:var(--primary);font-weight:500;flex-shrink:0}.chat-content{word-break:break-word;white-space:pre-wrap}.chat-system{width:100%;text-align:center;color:var(--text-sub);font-size:12px;background:var(--bg);padding:4px;border-radius:6px}.chat-del{font-size:11px;color:var(--text-sub);flex-shrink:0;margin-left:auto;visibility:hidden}.chat-meta:hover .chat-del{visibility:visible}.chat-img{max-width:100%;max-height:200px;border-radius:8px;border:1px solid var(--border);cursor:zoom-in}.chat-file{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:13px;text-decoration:underline}.chat-tools{display:flex;align-items:center;gap:8px;padding:8px 12px 0}.chat-tool-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--text-sub);border:1px solid var(--border);border-radius:8px;background:#fff;transition:color .2s,border-color .2s,background .2s}.chat-tool-btn svg{display:block}.chat-tool-btn:hover:not(:disabled),.chat-tool-btn.is-active{color:var(--primary);border-color:var(--primary);background:#4f6ef20f}.chat-tool-btn:disabled{opacity:.5;cursor:not-allowed}.chat-uploading{font-size:12px;color:var(--text-sub)}.emoji-panel{display:flex;flex-wrap:wrap;gap:4px;padding:8px 12px;border-top:1px solid var(--border);max-height:140px;overflow-y:auto}.emoji-item{font-size:18px;padding:4px;border-radius:6px;background:#fff}.emoji-item:hover{background:var(--bg)}.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.chat-input textarea{resize:none}.chat-editor{flex:1;min-height:52px;max-height:160px;overflow-y:auto;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;outline:none;word-break:break-word;white-space:pre-wrap}.chat-editor:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f6ef21f}.chat-editor:empty:before{content:attr(data-placeholder);color:#9aa1ad;pointer-events:none}.chat-editor[contenteditable=false]{background:#f3f4f6;color:#9aa1ad;cursor:not-allowed}.chat-editor-img{max-width:120px;max-height:90px;border-radius:6px;vertical-align:middle;margin:2px 4px;border:1px solid var(--border)}.chat-editor-file{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;margin:2px 4px;border-radius:6px;background:var(--bg);color:var(--primary);font-size:12px;cursor:default;white-space:nowrap}.chat-rich{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100}.modal{width:440px;max-width:92vw;max-height:84vh;background:#fff;border-radius:var(--radius);display:flex;flex-direction:column;box-shadow:0 20px 60px #00000040}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.modal-head h3{font-size:16px}.modal-close{font-size:22px;color:var(--text-sub);line-height:1}.modal-close:hover{color:var(--text)}.modal-body{padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.modal-body label span{display:block;margin-bottom:6px;color:var(--text-sub);font-size:13px}.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--border)}.checkin-code-body{text-align:center;align-items:center}.checkin-code{font-size:42px;font-weight:700;letter-spacing:8px;color:var(--primary);font-family:monospace}.hint{color:var(--text-sub);font-size:13px}.data-table{width:100%;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border-collapse:collapse}.data-table th,.data-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}.data-table th{background:#fafbfd;font-weight:600;color:var(--text-sub)}.data-table tr:last-child td{border-bottom:none}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.chat-modal{width:520px}.chat-record-body{gap:10px}.chat-record-item{display:flex;flex-direction:column;gap:2px;padding:8px 10px;background:var(--bg);border-radius:8px}.chat-record-sender{color:var(--primary);font-weight:500;font-size:13px}.chat-record-content{font-size:13px;word-break:break-word}.chat-record-time{font-size:11px;color:var(--text-sub)}.result-table{width:100%;border-collapse:collapse}.result-table th,.result-table td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}.tabs{display:flex;gap:4px;margin-bottom:20px;background:#fff;padding:4px;border-radius:10px;width:fit-content}.tab{padding:8px 20px;border-radius:8px;color:var(--text-sub);font-weight:500;transition:all .2s}.tab.active{background:var(--primary);color:#fff}.admin-section{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.settings-form{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.setting-field{display:flex;flex-direction:column;gap:6px}.setting-field>span{color:var(--text-sub);font-size:13px}.color-field{display:flex;align-items:center;gap:8px}.color-field input[type=color]{width:44px;height:36px;padding:0;flex-shrink:0;cursor:pointer}.color-field input[type=text]{flex:1}.room-intro{margin-top:12px;padding:12px 16px;background:#fff;border-radius:var(--radius);color:var(--text);font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word;box-shadow:var(--shadow)}.hand-float{position:fixed;right:340px;bottom:20px;width:240px;background:#fff;border-radius:var(--radius);box-shadow:0 8px 30px #00000026;overflow:hidden;z-index:50}.hand-item{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border)}.hand-item span{flex:1}.toast{position:fixed;top:70px;left:50%;transform:translate(-50%);background:#1f2430e6;color:#fff;padding:10px 20px;border-radius:8px;z-index:200}.loading-page{height:100vh;display:flex;flex-direction:column;gap:16px;align-items:center;justify-content:center;color:var(--text-sub)}.watch-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#16181d,#2b2f3a);padding:24px}.watch-gate-card{width:100%;max-width:380px;background:#fff;border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:14px;box-shadow:0 20px 60px #00000059}.watch-gate-brand{width:48px;height:48px;margin:0 auto;background:var(--primary);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}.watch-gate-card h2{text-align:center;font-size:18px}.watch-gate-meta{text-align:center;color:var(--text-sub);font-size:13px}.watch-ended{text-align:center;color:var(--text-sub);padding:20px 0;font-size:15px}@media (max-width: 768px){.chat-toggle{display:inline-block}.room-head{height:52px;padding:0 12px}.room-title h2{font-size:16px}.room-uuid-tag{display:none}.room-main{padding:8px}.resizer{display:none}.room-side{position:fixed;left:0;right:0;bottom:0;width:100%;height:62vh;border-left:none;border-top:1px solid var(--border);border-radius:16px 16px 0 0;transform:translateY(100%);transition:transform .25s ease;z-index:60;box-shadow:0 -8px 30px #00000026}.room-side.is-open{transform:translateY(0)}.stage-thumbs .video-tile{width:120px}.video-stage{flex:0 0 auto;border-radius:0}.stage-main{flex:none;width:100%}.stage-main .video-tile{width:100%;height:auto;aspect-ratio:16 / 9;max-height:60vh;flex-shrink:0}.stage-main .video-tile video{object-fit:contain}.watch-gate-card{padding:24px}}