:root{--bg: #0c0e14;--panel: #141720;--panel-2: #1a1e2a;--panel-3: #1f2433;--border: #262c3d;--text: #e8eaf2;--muted: #7c85a0;--primary: #6366f1;--primary-hover: #4f52d4;--primary-light: rgba(99, 102, 241, .15);--success: #22c55e;--success-light: rgba(34, 197, 94, .12);--danger: #ef4444;--danger-light: rgba(239, 68, 68, .12);--warn: #f59e0b;--warn-light: rgba(245, 158, 11, .12);--gold: #fbbf24}*,button{box-sizing:border-box}button{color:inherit;font-family:inherit}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary)}.app{display:grid;grid-template-columns:260px 1fr;height:100%}.main-content{min-width:0;height:100%;overflow-y:auto;padding:28px 32px}.sidebar{background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:0;height:100%;overflow:hidden}.sidebar-logo{padding:20px 18px 14px;font-size:1.2rem;font-weight:800;letter-spacing:-.5px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.sidebar-logo .logo-sub{font-size:.7rem;font-weight:400;color:var(--muted);margin-top:1px;display:block}.sidebar-nav{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:3px}.nav-section{font-size:.68rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted);padding:10px 8px 4px}.nav-item{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:8px;cursor:pointer;border:none;background:none;color:var(--muted);font:inherit;font-size:.9rem;text-align:left;width:100%;text-decoration:none;position:relative}.nav-item:hover{background:var(--panel-2);color:var(--text)}.nav-item.active{background:var(--primary-light);color:var(--primary)}.nav-item .badge-dot{position:absolute;right:10px;background:var(--danger);color:#fff;font-size:.65rem;padding:1px 5px;border-radius:999px;min-width:16px;text-align:center}.sidebar-foot{border-top:1px solid var(--border);padding:12px 10px}.credit-badge{background:var(--success-light);border:1px solid rgba(34,197,94,.25);border-radius:8px;padding:8px 12px;margin-bottom:8px}.credit-badge .credit-label{font-size:.72rem;color:var(--muted)}.credit-badge .credit-value{font-size:1.3rem;font-weight:700;color:var(--success)}.credit-badge .credit-unit{font-size:.75rem;color:var(--muted);margin-left:4px}.sidebar-user{display:flex;align-items:center;gap:8px;padding:6px 0}.user-avatar{width:30px;height:30px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0}.user-info{flex:1;min-width:0}.user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:.7rem;color:var(--muted)}.lang-toggle{display:flex;gap:4px;margin-top:8px}.lang-btn{flex:1;padding:4px;border-radius:6px;border:1px solid var(--border);background:none;color:var(--muted);font-size:.72rem;cursor:pointer}.lang-btn.active{background:var(--panel-2);color:var(--text);border-color:var(--primary)}.centered{height:100%;display:grid;place-items:center;background:var(--bg)}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:36px 32px;width:100%;max-width:400px;text-align:center}.login-logo{font-size:2rem;font-weight:800;margin-bottom:4px}.login-sub{color:var(--muted);font-size:.9rem;margin-bottom:28px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px}.card-title{font-size:1rem;font-weight:600;margin:0 0 14px}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);padding:9px 16px;border-radius:9px;cursor:pointer;font:inherit;font-size:.9rem;text-decoration:none;transition:border-color .15s}.btn:hover{border-color:#3a4255}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.btn.success{background:var(--success);border-color:var(--success);color:#fff}.btn.danger{border-color:var(--danger);color:var(--danger)}.btn.danger:hover{background:var(--danger-light)}.btn.ghost{background:none}.btn.block{width:100%;justify-content:center}.btn.sm{padding:6px 12px;font-size:.82rem}.btn.icon{padding:7px 9px}.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}.field label{font-size:.83rem;color:var(--muted)}.field input,.field textarea,.field select{background:var(--panel-2);border:1px solid var(--border);border-radius:9px;color:var(--text);padding:10px 12px;font:inherit;font-size:.9rem;width:100%}.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--primary)}.field textarea{resize:vertical;min-height:80px}.field select option{background:var(--panel-2)}.badge{display:inline-flex;align-items:center;font-size:.72rem;padding:2px 9px;border-radius:999px;border:1px solid var(--border);background:var(--panel-2)}.badge.success{background:var(--success-light);border-color:#22c55e4d;color:var(--success)}.badge.danger{background:var(--danger-light);border-color:#ef44444d;color:var(--danger)}.badge.warn{background:var(--warn-light);border-color:#f59e0b4d;color:var(--warn)}.badge.primary{background:var(--primary-light);border-color:#6366f14d;color:var(--primary)}.toggle-row{display:inline-flex;background:var(--panel-2);border:1px solid var(--border);border-radius:9px;padding:3px;gap:3px}.toggle-btn{background:none;border:none;color:var(--muted);padding:6px 14px;border-radius:7px;cursor:pointer;font:inherit;font-size:.85rem;transition:all .12s}.toggle-btn.active{background:var(--primary);color:#fff}.page-header{margin-bottom:24px}.page-title{font-size:1.4rem;font-weight:700;margin:0 0 4px}.page-sub{color:var(--muted);font-size:.88rem;margin:0}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mode-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.mode-card{background:var(--panel-2);border:2px solid var(--border);border-radius:14px;padding:20px;cursor:pointer;transition:all .15s;text-align:left;color:var(--text)}.mode-card:hover{border-color:var(--primary);background:var(--panel-3)}.mode-card.selected{border-color:var(--primary);background:var(--primary-light)}.mode-card .mode-icon{font-size:1.8rem;margin-bottom:8px}.mode-card .mode-label{font-weight:600;font-size:.95rem}.mode-card .mode-desc{color:var(--muted);font-size:.8rem;margin-top:4px}.mode-card .mode-cost{color:var(--gold);font-size:.78rem;margin-top:8px;font-weight:600}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.video-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}.video-thumb{width:100%;aspect-ratio:16/9;background:var(--panel-2);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:2rem;position:relative;overflow:hidden}.video-thumb img{width:100%;height:100%;object-fit:cover}.video-thumb video{width:100%;height:100%;object-fit:cover}.video-thumb .progress-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.progress-bar-wrap{width:70%;height:4px;background:#fff3;border-radius:2px}.progress-bar-fill{height:100%;background:var(--primary);border-radius:2px;transition:width .5s}.video-info{padding:12px;flex:1;display:flex;flex-direction:column;gap:6px}.video-label{font-size:.8rem;font-weight:600}.video-prompt{font-size:.75rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-footer{display:flex;align-items:center;justify-content:space-between;margin-top:4px}.countdown{font-size:.72rem}.countdown.warn{color:var(--warn)}.countdown.danger{color:var(--danger);font-weight:600}.countdown.expired{color:var(--muted)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.88rem}th{text-align:left;padding:10px 12px;color:var(--muted);font-weight:500;border-bottom:1px solid var(--border)}td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:var(--panel-2)}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;text-align:center}.stat-value{font-size:2rem;font-weight:700}.stat-label{font-size:.8rem;color:var(--muted);margin-top:2px}.steps{display:flex;align-items:center;gap:0;margin-bottom:28px}.step{display:flex;align-items:center;gap:8px;font-size:.83rem;color:var(--muted)}.step.active{color:var(--primary)}.step.done{color:var(--success)}.step-num{width:24px;height:24px;border-radius:50%;border:1px solid currentColor;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;flex-shrink:0}.step.done .step-num{background:var(--success);border-color:var(--success);color:#fff}.step.active .step-num{background:var(--primary);border-color:var(--primary);color:#fff}.step-sep{flex:1;height:1px;background:var(--border);margin:0 10px}.upload-zone{border:2px dashed var(--border);border-radius:12px;padding:32px;text-align:center;cursor:pointer;color:var(--muted);transition:border-color .15s}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);color:var(--text)}.upload-zone img{max-height:180px;border-radius:8px;margin-bottom:10px}.banner{padding:10px 14px;border-radius:9px;font-size:.85rem;margin-bottom:16px}.banner.warn{background:var(--warn-light);border:1px solid rgba(245,158,11,.3);color:var(--warn)}.banner.danger{background:var(--danger-light);border:1px solid rgba(239,68,68,.3);color:var(--danger)}.banner.info{background:var(--primary-light);border:1px solid rgba(99,102,241,.3);color:var(--primary)}.banner.success{background:var(--success-light);border:1px solid rgba(34,197,94,.3);color:var(--success)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:grid;place-items:center;padding:20px;z-index:100}.modal{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:28px;width:100%;max-width:480px}.modal h2{margin:0 0 20px;font-size:1.1rem}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.chat-widget{position:fixed;bottom:24px;right:24px;z-index:200}.chat-btn{width:52px;height:52px;border-radius:50%;background:var(--primary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.3rem;box-shadow:0 4px 20px #6366f166;position:relative}.chat-btn .unread-badge{position:absolute;top:-2px;right:-2px;background:var(--danger);color:#fff;border-radius:50%;width:18px;height:18px;font-size:.65rem;display:flex;align-items:center;justify-content:center;font-weight:700}.chat-panel{position:absolute;bottom:64px;right:0;width:320px;background:var(--panel);border:1px solid var(--border);border-radius:16px;display:flex;flex-direction:column;height:420px;box-shadow:0 8px 40px #00000080}.chat-panel-head{padding:14px 16px;border-bottom:1px solid var(--border);font-weight:600;display:flex;align-items:center;justify-content:space-between;font-size:.9rem}.chat-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.chat-msg{max-width:80%;padding:8px 11px;border-radius:12px;font-size:.83rem}.chat-msg.mine{background:var(--primary);color:#fff;align-self:flex-end;border-radius:12px 12px 2px}.chat-msg.theirs{background:var(--panel-2);align-self:flex-start;border-radius:12px 12px 12px 2px}.chat-msg .msg-time{font-size:.65rem;opacity:.65;margin-top:3px}.chat-input-row{padding:10px;border-top:1px solid var(--border);display:flex;gap:8px}.chat-input-row input{flex:1;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font:inherit;font-size:.85rem}.chat-input-row input:focus{outline:none;border-color:var(--primary)}.muted{color:var(--muted)}.small{font-size:.82rem}.text-right{text-align:right}.text-center{text-align:center}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.gap-1{gap:8px}.flex{display:flex}.flex-1{flex:1}.items-center{align-items:center}.justify-between{justify-content:space-between}.spin{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.pulse{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}.empty-state .empty-icon{font-size:3rem;margin-bottom:12px}.divider{height:1px;background:var(--border);margin:20px 0}.slider{-webkit-appearance:none;width:100%;height:4px;border-radius:2px;background:var(--panel-3);outline:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary);cursor:pointer}