:root{--color-bg:#f8f9fc;--color-surface:#fff;--color-primary:#5c2d91;--color-primary-rgb:92,45,145;--color-primary-gradient:linear-gradient(135deg, #053191, #412496);--color-success:#4db847;--color-success-rgb:77,184,71;--color-secondary:#f0ecf6;--color-secondary-foreground:#5c2d91;--color-info:#2563eb;--color-warning:#f59e0b;--color-destructive:#ef4444;--color-text:#1a1a2e;--color-text-muted:#6b7280;--color-text-dim:#9ca3af;--color-border:#e8e4ef;--color-border-light:#00000014;--color-border-strong:#5c2d91;--color-accent:#5c2d91;--color-bg-alt:#f0ecf6;--color-shadow:0 2px 20px #5c2d9114;--color-shadow-lg:0 8px 30px #5c2d911f;--radius-xs:2px;--radius-sm:6px;--radius-md:8px;--radius-lg:10px;--radius-xl:14px;--font-family-base:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;--font-family-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--font-size-xs:11px;--font-size-sm:12px;--font-size-base:14px;--font-size-md:16px;--font-size-lg:18px;--font-size-xl:24px;--spacing-1:4px;--spacing-2:8px;--spacing-3:12px;--spacing-4:16px;--spacing-5:24px;--spacing-6:32px;--transition-fast:.12s cubic-bezier(.4,0,.2,1)}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-family-base);font-size:var(--font-size-base);-webkit-font-smoothing:antialiased;margin:0;padding:0}.app-surface{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--color-shadow)}.panel-header{padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-sm);letter-spacing:.3px;border-radius:var(--radius-md) var(--radius-md) 0 0;font-weight:600}.panel-body{padding:var(--spacing-2) var(--spacing-3)}.timeline-track{border-radius:var(--radius-sm);background:#f0f0f4;height:24px;position:relative;overflow:hidden}.timeline-marker{border-radius:var(--radius-xs);cursor:pointer;width:8px;transition:transform var(--transition-fast), box-shadow var(--transition-fast);position:absolute;top:2px;bottom:2px}.timeline-marker:hover{transform:translateY(-1px);box-shadow:0 2px 6px #0003}.selected-marker{outline:2px solid var(--color-success);box-shadow:0 0 0 4px rgba(var(--color-success-rgb),.25)}.seg-box{border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-sm);transition:background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);background:#fcfcfd;padding:6px 8px;line-height:1.3}.seg-box.highlight{border-color:var(--color-primary);box-shadow:0 0 0 2px rgba(var(--color-primary-rgb),.15)}.seg-box.selected{background:var(--color-secondary);border-color:var(--color-primary);box-shadow:0 0 0 2px rgba(var(--color-primary-rgb),.25)}.search-header{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-xl);color:var(--color-text);font-weight:600}.search-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-4);box-shadow:var(--color-shadow);transition:box-shadow var(--transition-fast), border-color var(--transition-fast)}.search-form:focus-within{border-color:#c4b0de;box-shadow:0 4px 30px #5c2d9126}.input-text,.input-number{width:100%;padding:var(--spacing-3) var(--spacing-3);border:2px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-md);box-sizing:border-box;transition:border-color var(--transition-fast), background var(--transition-fast);background:#f5f5f8;outline:none}.input-text:focus,.input-number:focus{border-color:var(--color-primary);background:#fff}.input-number{text-align:center;width:60px;font-size:var(--font-size-sm);padding:6px}.btn{align-items:center;gap:var(--spacing-2);font-size:var(--font-size-md);border-radius:var(--radius-xl);padding:var(--spacing-3) var(--spacing-4);cursor:pointer;transition:background var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);-webkit-user-select:none;user-select:none;border:none;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{color:#fff;box-shadow:0 2px 8px rgba(var(--color-primary-rgb),.25);background:linear-gradient(135deg,#053191,#412496)}.btn-primary:hover:not(.is-disabled){background:#4a2080}.btn-primary.is-disabled{cursor:not-allowed;opacity:.6;box-shadow:none;background:#a88dc9}.btn-secondary{background:var(--color-secondary);color:var(--color-primary);border:1px solid var(--color-border);padding:var(--spacing-3) var(--spacing-3)}.btn-secondary:hover:not(.is-disabled){background:#e8e0f0}.btn-secondary.is-disabled{color:#9c92b6;cursor:not-allowed;opacity:.6;background:#f5f3f8}.filter-chip{font-size:var(--font-size-xs);border-radius:var(--radius-sm);border:1px solid var(--color-border);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);-webkit-user-select:none;user-select:none;background:0 0;align-items:center;gap:4px;padding:4px 8px;display:inline-flex}.filter-chip.active{border-color:var(--chip-color,var(--color-primary));background:rgba(var(--color-primary-rgb),.1);box-shadow:0 0 0 1px rgba(var(--color-primary-rgb),.15)}.filter-chip span{color:var(--chip-color,var(--color-primary));font-weight:600}.filter-chip input{margin:0;transform:scale(.8)}.result-card{border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-4);cursor:pointer;transition:background var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);background:#fcfcfd}.result-card:hover{background:#f8f9fc;border-color:#d4cae3;box-shadow:0 4px 20px #5c2d910f}.result-card h4{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-lg);font-weight:600}.result-meta{gap:var(--spacing-4);font-size:var(--font-size-sm);color:var(--color-text-muted);margin-bottom:var(--spacing-3);display:flex}.sidebar{color:#fff;box-sizing:border-box;z-index:100;background:linear-gradient(#053191,#412496);flex-direction:column;width:248px;padding:20px 12px 16px;transition:width .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;bottom:0;left:0;overflow:visible}.sidebar--collapsed{width:76px;padding:20px 10px 16px}.sidebar-brand{align-items:center;gap:var(--spacing-1);color:#fff;flex-direction:column;flex-shrink:0;justify-content:center;min-height:52px;margin-bottom:0;padding:0 4px 4px;text-decoration:none;display:flex;overflow:hidden}.sidebar-brand h1{font-size:var(--font-size-lg);letter-spacing:.5px;margin:0;font-weight:600}.logo-wrapper{text-align:left;flex-direction:column;align-items:flex-start;margin-top:0;line-height:1.1;display:flex}.logo-title{letter-spacing:.4px;color:#f2eeff;width:100%;font-size:16px;font-weight:600;display:block}.logo-title strong{color:#4db847;font-weight:600}.logo-tagline{letter-spacing:.35px;color:#f2eeff;margin-top:2px;font-size:11px;font-weight:500;display:block}.logo-img{width:100%;max-width:180px;height:auto;display:block}.sidebar-nav{flex-direction:column;gap:2px;display:flex;overflow:hidden}.sidebar-nav--tools{flex:1;overflow-y:auto}.sidebar-item{border-radius:var(--radius-xl);cursor:pointer;color:#ffffff80;align-items:center;gap:14px;padding:10px 14px;font-size:13px;font-weight:400;text-decoration:none;transition:background .2s,color .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.sidebar-item.collapsed{justify-content:center;padding:12px 0}.sidebar-item-button{appearance:none;text-align:left;width:100%;font:inherit;color:inherit;background:0 0;border:none}.sidebar-item-button:focus-visible{outline-offset:2px;outline:2px solid #ffffffbf}.sidebar-item:hover{color:#fffc;background:#ffffff0f}.sidebar-item.active{color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff1f;font-weight:500;box-shadow:inset 0 1px #ffffff14,0 1px 3px #0000001a}.sidebar-item.active .sidebar-item-icon-wrap{color:var(--color-success)}.sidebar-active-accent{background:var(--color-success);border-radius:0 3px 3px 0;width:3px;position:absolute;top:20%;bottom:20%;left:0}.sidebar-item-icon-wrap{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;transition:background .2s;display:flex}.sidebar-item-icon-wrap.active{background:#ffffff1f}.sidebar-item-label{white-space:nowrap;line-height:1.2;transition:opacity .2s,width .2s;overflow:hidden}.sidebar--collapsed .sidebar-item-label{opacity:0;pointer-events:none;width:0}.sidebar--collapsed .sidebar-item{justify-content:center;gap:0;padding:12px 0}.sidebar--collapsed .sidebar-brand .logo-title,.sidebar--collapsed .sidebar-brand .logo-tagline,.sidebar--collapsed .sidebar-brand .logo-img,.sidebar--collapsed .sidebar-brand .logo-wrapper{display:none}.sidebar-collapse-toggle{border:2px solid var(--color-bg);cursor:pointer;z-index:20;background:linear-gradient(135deg,#5c2d91,#412496);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;padding:0;transition:transform .2s,box-shadow .2s;display:flex;position:absolute;top:80px;right:-14px;box-shadow:0 2px 8px #4124964d}.sidebar-collapse-toggle:hover{transform:scale(1.1);box-shadow:0 4px 12px #41249666}.sidebar-footer{flex-direction:column;gap:4px;margin-top:auto;display:flex}.sidebar-logout{color:#ffffff59!important;background:0 0!important}.sidebar-logout:hover{color:#fff9!important;background:#ffffff0f!important}.sidebar-status-dot-wrap{flex-shrink:0;width:8px;height:8px;position:relative}.sidebar-status-dot{background:var(--color-success);border-radius:50%;width:8px;height:8px}.sidebar-status-dot--ping{opacity:.4;animation:2s cubic-bezier(0,0,.2,1) infinite sidebar-ping;position:absolute;inset:0}@keyframes sidebar-ping{75%,to{opacity:0;transform:scale(2)}}.sidebar-separator{height:1px;margin:var(--spacing-3) var(--spacing-1);background:#ffffff1a;border-radius:1px}.layout-with-sidebar{flex:1;display:flex}.layout-main{box-sizing:border-box;flex:1;min-width:0;margin-left:248px;transition:margin-left .3s cubic-bezier(.4,0,.2,1)}.sidebar--collapsed~.layout-main,.sidebar--collapsed+.layout-main{margin-left:76px}@media (width<=900px){.sidebar{width:76px;padding:var(--spacing-3) var(--spacing-2)}.sidebar-brand .logo-title,.sidebar-brand .logo-tagline,.sidebar-brand .logo-img,.sidebar-brand .logo-wrapper{display:none}.sidebar-item-label{opacity:0;width:0}.sidebar-item{justify-content:center;gap:0;padding:12px 0}.layout-main{margin-left:76px}.sidebar-collapse-toggle{display:none}}.info-icon-btn{border:1px solid var(--color-border);width:24px;height:24px;color:var(--color-primary);cursor:pointer;background:#f5f5f8;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex}.info-icon-btn:hover{background:var(--color-secondary)}.info-modal-backdrop{z-index:1500;background:#00000085;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.info-modal-card{width:min(640px,94vw);max-height:min(88vh,760px);padding:20px;overflow-y:auto}.info-modal-content{color:var(--color-text);margin-top:12px;font-size:14px;line-height:1.45}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chat-mode-tab{color:var(--color-text-dim);font-size:var(--font-size-sm);font-family:var(--font-family-base);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast);background:0 0;border:none;align-items:center;gap:6px;padding:10px 20px;font-weight:500;display:flex;position:relative}.chat-mode-tab:hover{color:var(--color-text-muted);background:rgba(var(--color-primary-rgb), .03)}.chat-mode-tab--active{color:var(--color-primary)}.chat-mode-tab--active:after{content:"";background:var(--color-primary);border-radius:2px 2px 0 0;height:2px;position:absolute;bottom:-1px;left:12px;right:12px}.chat-mode-tab--sm{padding:8px 14px;font-size:12px}.chat-mode-tab--sm.chat-mode-tab--active:after{left:8px;right:8px}.chat-panel-close{cursor:pointer;color:var(--color-text-muted);border-radius:var(--radius-sm);background:0 0;border:none;align-items:center;margin-left:auto;padding:4px;display:flex}.chat-panel-close:hover{background:var(--color-border-light)}.chat-messages{max-height:360px;padding:var(--spacing-2) 0;gap:var(--spacing-4);flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden auto}.chat-welcome{font-size:var(--font-size-sm);color:var(--color-text-muted);padding:var(--spacing-2) 0;line-height:1.5}.chat-turn{gap:var(--spacing-2);flex-direction:column;min-width:0;display:flex}.chat-turn-query{font-size:var(--font-size-sm);color:var(--color-text);background:var(--color-bg-alt);border-radius:var(--radius-sm);border-left:3px solid var(--color-primary);align-items:center;gap:6px;min-width:0;padding:6px 10px;font-weight:600;display:flex}.chat-turn-query svg{color:var(--color-primary);flex-shrink:0}.chat-turn-query span{overflow-wrap:anywhere;min-width:0}.chat-turn-reply{font-size:var(--font-size-sm);color:var(--color-text);white-space:pre-wrap;overflow-wrap:anywhere;min-width:0;padding:0 2px;line-height:1.55}.chat-turn-reply--loading{padding:var(--spacing-2) var(--spacing-1);gap:5px;display:flex}.chat-typing-dot{background:var(--color-text-dim);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite chat-typing}.chat-typing-dot:nth-child(2){animation-delay:.15s}.chat-typing-dot:nth-child(3){animation-delay:.3s}@keyframes chat-typing{0%,60%,to{opacity:.3;transform:scale(.85)}30%{opacity:1;transform:scale(1)}}.chat-link{color:var(--color-primary);text-underline-offset:2px;cursor:pointer;font-size:var(--font-size-sm);text-decoration:underline}.chat-link:hover{color:#4a2080}.chat-timecode{border-radius:var(--radius-sm);color:var(--color-primary);font-family:var(--font-family-mono);font-size:var(--font-size-xs);cursor:pointer;transition:background var(--transition-fast);background:#0531911f;align-items:center;gap:3px;padding:1px 7px;font-weight:600;text-decoration:none;display:inline-flex}.chat-timecode:hover{color:#4a2080;background:#05319140}.chat-result-cards{flex-direction:column;gap:6px;max-width:92%;margin-top:8px;display:flex}.chat-result-card{border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast);border:1px solid var(--color-border);align-items:center;gap:10px;padding:8px 10px;text-decoration:none;display:flex}.chat-result-card:hover{border-color:var(--color-primary);background:var(--color-bg-alt)}.chat-result-thumb{border-radius:var(--radius-sm);background:#1a1a2e;flex-shrink:0;justify-content:center;align-items:center;width:64px;height:40px;display:flex;overflow:hidden}.chat-result-thumb img{object-fit:cover;width:100%;height:100%;display:block}.chat-result-thumb-placeholder{color:var(--color-text-dim);opacity:.5}.chat-result-info{flex:1;min-width:0}.chat-result-title{font-size:var(--font-size-sm);color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.chat-result-type{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-top:1px;font-size:10px}.chat-result-desc{color:var(--color-text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:11px;overflow:hidden}.chat-result-score{font-size:var(--font-size-sm);border-radius:var(--radius-sm);flex-shrink:0;padding:2px 6px;font-weight:700}.chat-result-score[data-strength=strong]{color:#22c55e;background:#22c55e1a}.chat-result-score[data-strength=moderate]{color:#eab308;background:#eab3081a}.chat-result-score[data-strength=weak]{color:var(--color-text-muted);background:var(--color-bg-alt)}.chat-input-area{align-items:center;gap:var(--spacing-2);padding:var(--spacing-2) 0;flex-shrink:0;display:flex}.chat-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-family:var(--font-family-base);background:var(--color-bg);color:var(--color-text);transition:border-color var(--transition-fast);outline:none;flex:1;padding:8px 10px}.chat-input:focus{border-color:var(--color-primary)}.chat-input::placeholder{color:var(--color-text-dim)}.chat-input:disabled{opacity:.6}.chat-send-btn{border-radius:var(--radius-sm);color:#fff;cursor:pointer;width:32px;height:32px;transition:opacity var(--transition-fast);background:linear-gradient(135deg,#053191,#412496);border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.chat-send-btn:disabled{opacity:.35;cursor:not-allowed}.chat-send-btn:not(:disabled):hover{opacity:.88}@media (width<=480px){.chat-messages{max-height:240px}}