:root{--bg-primary:#0f0f1a;--bg-secondary:#1a1a2e;--bg-card:#16162a;--bg-card-hover:#1e1e3a;--bg-input:hsla(0,0%,100%,.05);--text-primary:#fff;--text-secondary:hsla(0,0%,100%,.7);--text-muted:hsla(0,0%,100%,.5);--accent-primary:#6366f1;--accent-secondary:#8b5cf6;--accent-gradient:linear-gradient(135deg,#6366f1,#8b5cf6);--accent-glow:rgba(99,102,241,.15);--success:#22c55e;--success-bg:rgba(34,197,94,.15);--warning:#eab308;--warning-bg:rgba(234,179,8,.15);--danger:#ef4444;--danger-bg:rgba(239,68,68,.15);--border-color:hsla(0,0%,100%,.1);--border-color-hover:hsla(0,0%,100%,.2);--sidebar-width:260px;--sidebar-collapsed:72px;--header-height:64px}[data-theme=light]{--bg-primary:#f5f5f5;--bg-secondary:#fff;--bg-card:#fff;--bg-card-hover:#f8f8f8;--bg-input:rgba(0,0,0,.05);--text-primary:#1a1a2e;--text-secondary:rgba(26,26,46,.7);--text-muted:rgba(26,26,46,.5);--border-color:rgba(0,0,0,.1);--border-color-hover:rgba(0,0,0,.2)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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12px;margin-bottom:8px}.sidebar.collapsed .sidebar-section-title{display:none}.sidebar-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;cursor:pointer;transition:all .2s ease;color:var(--text-secondary);text-decoration:none;margin-bottom:4px}.sidebar-item:hover{background:var(--bg-card-hover);color:var(--text-primary)}.sidebar-item.active{background:var(--accent-glow);color:var(--accent-primary)}.sidebar-item svg{width:20px;height:20px;flex-shrink:0}.sidebar-item span{font-size:14px;font-weight:500;white-space:nowrap}.sidebar.collapsed .sidebar-item span{display:none}.sidebar-footer{padding:16px;border-top:1px solid var(--border-color)}.main-content{flex:1 1;margin-left:var(--sidebar-width);transition:margin-left .3s ease;display:flex;flex-direction:column;min-height:100vh}.main-content.sidebar-collapsed{margin-left:var(--sidebar-collapsed)}.main-header{height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:-webkit-sticky;position:sticky;top:0;z-index:50}.header-left,.header-right{display:flex;align-items:center;gap:16px}.page-content{flex:1 1;padding:24px;overflow-y:auto}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:24px;transition:all .2s ease}.card:hover{border-color:var(--border-color-hover)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-title{font-size:16px;font-weight:600;color:var(--text-primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:20px;gap:20px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:20px;display:flex;flex-direction:column}.stat-card.gradient{background:var(--accent-gradient);border:none}.stat-card.gradient .stat-label,.stat-card.gradient .stat-value{color:#fff}.stat-value{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.stat-label{font-size:13px;color:var(--text-muted)}.stat-trend{font-size:12px;margin-top:8px}.stat-trend.up{color:var(--success)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;border:none;text-decoration:none}.btn-primary{background:var(--accent-gradient);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover)}.btn-icon{padding:10px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:10px;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.btn-icon:hover{background:var(--bg-card-hover)}.btn-icon:hover,.input{color:var(--text-primary)}.input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:10px;font-size:14px}.input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-success{background:var(--success-bg);color:var(--success)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-danger{background:var(--danger-bg);color:var(--danger)}.badge-primary{background:var(--accent-glow);color:var(--accent-primary)}.deal-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:16px;margin-bottom:12px;cursor:pointer;transition:all .2s ease}.deal-card:hover{border-color:var(--accent-primary);transform:translateY(-2px)}.deal-header{justify-content:space-between;margin-bottom:12px}.deal-header,.deal-score{display:flex;align-items:center}.deal-score{width:36px;height:36px;border-radius:50%;justify-content:center;font-size:14px;font-weight:700}.deal-score.excellent{background:var(--success-bg);color:var(--success)}.deal-score.good{background:rgba(34,197,94,.1);color:#4ade80}.deal-score.fair{background:var(--warning-bg);color:var(--warning)}.deal-score.low{background:var(--danger-bg);color:var(--danger)}.deal-title{font-weight:600;color:var(--text-primary);margin-bottom:4px}.deal-meta{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:12px}.deal-artists{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.deal-artist-tag{gap:4px;padding:4px 10px;background:var(--accent-glow);border-radius:6px;font-size:12px;color:var(--accent-primary)}.deal-artist-tag,.deal-footer{display:flex;align-items:center}.deal-footer{justify-content:space-between;margin-top:12px;padding-top:12px;border-top:1px solid var(--border-color);font-size:13px}.deal-travel{color:var(--text-muted)}.deal-margin{font-weight:600;color:var(--success)}.iframes-container{position:fixed;top:var(--header-height);left:var(--sidebar-width);right:0;bottom:0;z-index:40;pointer-events:none}.iframes-container.sidebar-collapsed{left:var(--sidebar-collapsed)}.iframe-wrapper{position:absolute;top:0;left:0;right:0;bottom:0;opacity:0;pointer-events:none;transition:opacity .2s ease}.iframe-wrapper.active{opacity:1;pointer-events:all}.iframe-wrapper iframe{width:100%;height:100%;border:none}.loading-spinner{width:24px;height:24px;border:2px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state-icon{width:64px;height:64px;margin:0 auto 16px;opacity:.5}.empty-state-title{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.empty-state-desc{font-size:14px;max-width:300px;margin:0 auto}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}td,th{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border-color)}th{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg-secondary)}td{font-size:14px;color:var(--text-secondary)}tr:hover td{background:var(--bg-card-hover)}@media (max-width:1024px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0}.iframes-container{left:0}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.stats-grid{grid-template-columns:1fr}.page-content{padding:16px}}.chat-container{display:flex;flex-direction:column;height:calc(100vh - var(--header-height) - 48px);max-height:800px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;overflow:hidden}.chat-header-info{padding:20px 24px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.chat-messages{flex:1 1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.chat-welcome{text-align:center;padding:48px 24px;margin:auto 0}.chat-suggestions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:600px;margin:0 auto}.chat-suggestion{padding:10px 16px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:20px;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s ease}.chat-suggestion:hover{background:var(--bg-card-hover);border-color:var(--accent-primary);color:var(--accent-primary)}.chat-message{display:flex;gap:12px;max-width:85%}.chat-message.user{margin-left:auto;flex-direction:row-reverse}.chat-message.assistant{margin-right:auto}.chat-avatar{width:32px;height:32px;border-radius:10px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.chat-bubble{padding:14px 18px;border-radius:16px;font-size:14px;line-height:1.6}.chat-message.user .chat-bubble{background:var(--accent-gradient);color:#fff;border-bottom-right-radius:4px}.chat-message.assistant .chat-bubble{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);border-bottom-left-radius:4px}.chat-bubble.error{background:var(--danger-bg);border-color:var(--danger);color:var(--danger)}.chat-content{word-wrap:break-word}.chat-data-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-gap:8px;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border-color)}.chat-artist-card{padding:10px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px}.chat-typing{display:flex;gap:4px;padding:4px 0}.chat-typing span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s ease-in-out infinite}.chat-typing span:first-child{animation-delay:-.32s}.chat-typing span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}.chat-input-form{padding:16px 24px 20px;border-top:1px solid var(--border-color);background:var(--bg-secondary)}.chat-input-wrapper{display:flex;gap:12px;align-items:center}.chat-input{flex:1 1;padding:14px 18px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:14px;transition:all .2s ease}.chat-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.chat-input:disabled{opacity:.6;cursor:not-allowed}.chat-input::placeholder{color:var(--text-muted)}.chat-send-btn{width:48px;height:48px;border-radius:12px;background:var(--accent-gradient);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}.chat-send-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px rgba(99,102,241,.4)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}.chat-input-hint{font-size:12px;color:var(--text-muted);margin-top:8px;text-align:center}@media (max-width:640px){.chat-container{height:calc(100vh - var(--header-height) - 32px)}.chat-messages{padding:16px}.chat-input-form{padding:12px 16px 16px}.chat-message{max-width:90%}}