:root{--elevana-midnight-blue:#241e4a;--elevana-pigment-green:#4db053;--elevana-raspberry:#d40e43;--elevana-grape:#62187c;--elevana-ink:#1a1a1a;--elevana-midnight-blue-tint:#2a334b;--color-primary:var(--elevana-midnight-blue);--color-primary-hover:#1a1636;--color-primary-light:#3d3568;--color-primary-dark:#120f25;--color-success:var(--elevana-pigment-green);--color-success-hover:#3d8a42;--color-success-light:#6bc770;--color-warning:#f59e0b;--color-warning-hover:#d97706;--color-warning-light:#fbbf24;--color-error:var(--elevana-raspberry);--color-error-hover:#b00c38;--color-error-light:#e83f68;--color-error-bg:#fee2e2;--color-error-border:#fecaca;--color-info:var(--elevana-midnight-blue);--color-info-hover:#1a1636;--color-info-light:#3d3568;--color-comment-outstanding:#d40e430a;--color-comment-resolved:#4db0530f;--color-gray-50:#f9fafb;--color-gray-100:#f3f4f6;--color-gray-200:#e5e7eb;--color-gray-300:#d1d5db;--color-gray-400:#9ca3af;--color-gray-500:#6b7280;--color-gray-600:#4b5563;--color-gray-700:#374151;--color-gray-800:#1f2937;--color-gray-900:#111827;--color-content-bg:#fff;--color-content-heading:var(--elevana-midnight-blue);--color-content-body:var(--elevana-ink);--color-structure:var(--elevana-midnight-blue);--color-structure-tint:var(--elevana-midnight-blue-tint);--color-structure-light:#f0f2f8;--color-structure-text:#e8e9ec;--color-rail-surface:#1a1538;--color-rail-tooltip-surface:#0d0a22;--rail-collapsed:56px;--color-action-primary:var(--elevana-pigment-green);--color-action-admin:var(--elevana-grape);--color-action-admin-muted:#4d1261;--color-state-resolved:var(--elevana-pigment-green);--color-state-unresolved:var(--elevana-raspberry);--color-state-error:var(--elevana-raspberry);--color-surface-subtle:#f6f7f9;--color-border-subtle:#e2e4e8;--color-text-muted:#6b7280;--color-background:#fff;--color-background-alt:var(--color-surface-subtle);--color-surface:#fff;--color-surface-hover:var(--color-gray-50);--color-border:var(--color-border-subtle);--color-border-light:var(--color-gray-100);--color-border-dark:var(--color-gray-300);--color-text:var(--color-gray-900);--color-text-secondary:var(--color-gray-500);--color-text-tertiary:var(--color-gray-400);--color-text-disabled:var(--color-gray-300);--spacing-1:4px;--spacing-2:8px;--spacing-3:12px;--spacing-4:16px;--spacing-5:20px;--spacing-6:24px;--spacing-7:28px;--spacing-8:32px;--spacing-10:40px;--spacing-12:48px;--spacing-16:64px;--spacing-20:80px;--spacing-24:96px;--spacing-xs:var(--spacing-1);--spacing-sm:var(--spacing-2);--spacing-md:var(--spacing-4);--spacing-lg:var(--spacing-6);--spacing-xl:var(--spacing-8);--spacing-2xl:var(--spacing-12);--font-sans:"Poppins", "Calibri", "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", "Oxygen", "Ubuntu", sans-serif;--font-mono:"Courier New", Courier, monospace;--font-size-xs:12px;--font-size-sm:14px;--font-size-base:16px;--font-size-lg:18px;--font-size-xl:20px;--font-size-2xl:24px;--font-size-3xl:30px;--font-size-4xl:36px;--line-height-tight:1.25;--line-height-snug:1.375;--line-height-normal:1.5;--line-height-relaxed:1.625;--line-height-loose:2;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--radius-none:0;--radius-sm:2px;--radius-base:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--radius-2xl:16px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-base:0 1px 3px 0 #0000001a, 0 1px 2px 0 #0000000f;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--shadow-2xl:0 25px 50px -12px #00000040;--z-base:0;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070;--transition-fast:.15s;--transition-base:.2s;--transition-slow:.3s;--transition-slower:.5s;--transition-timing:cubic-bezier(.4, 0, .2, 1);--transition-colors:color var(--transition-base) var(--transition-timing), background-color var(--transition-base) var(--transition-timing), border-color var(--transition-base) var(--transition-timing);--transition-all:all var(--transition-base) var(--transition-timing);--transition-transform:transform var(--transition-base) var(--transition-timing);--transition-opacity:opacity var(--transition-base) var(--transition-timing)}.autocomplete-field{width:100%;font-family:inherit}.autocomplete-input-wrapper{width:100%;position:relative}.autocomplete-input{border:1px solid var(--color-gray-300);box-sizing:border-box;border-radius:4px;width:100%;padding:8px 12px;font-size:14px;transition:border-color .2s,box-shadow .2s}.autocomplete-input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #241e4a1a}.autocomplete-input:disabled{background-color:var(--color-gray-100);color:var(--color-gray-400);cursor:not-allowed}.autocomplete-input.loading{padding-right:36px}.autocomplete-spinner{font-size:16px;animation:1s linear infinite spin;position:absolute;top:50%;right:12px;transform:translateY(-50%)}@keyframes spin{0%{transform:translateY(-50%)rotate(0)}to{transform:translateY(-50%)rotate(360deg)}}.autocomplete-dropdown{border:1px solid var(--color-gray-300);z-index:999999;pointer-events:auto;background:#fff;border-radius:0 0 4px 4px;max-height:200px;overflow-y:auto;box-shadow:0 4px 12px #00000026}.autocomplete-option{cursor:pointer;border-bottom:1px solid var(--color-gray-100);padding:10px 12px;transition:background-color .15s}.autocomplete-option:hover{background-color:var(--color-gray-100)}.autocomplete-option.selected{background-color:var(--color-primary-light);color:#fff;font-weight:500}.autocomplete-option:last-child{border-bottom:none}.autocomplete-option.add-as-other{color:var(--color-gray-600);background-color:var(--color-gray-50);font-style:italic}.autocomplete-option.add-as-other:hover{background-color:var(--color-gray-100);color:var(--color-gray-800)}.validation-dialog-overlay{z-index:99999;background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.validation-dialog{background:#fff;border-radius:8px;max-width:400px;padding:24px;animation:.2s ease-out slideUp;box-shadow:0 10px 25px #0003}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.validation-title{color:var(--color-gray-800);margin:0 0 12px;font-size:16px;font-weight:600}.validation-message{color:var(--color-gray-600);margin:0 0 16px;font-size:14px;line-height:1.5}.validation-suggestions{background-color:var(--color-gray-50);border-left:3px solid var(--color-primary);border-radius:4px;margin:16px 0;padding:12px}.suggestions-label{color:var(--color-gray-800);margin:0 0 8px;font-size:13px;font-weight:600}.suggestions-list{flex-wrap:wrap;gap:8px;display:flex}.suggestion-button{border:1px solid var(--color-primary);color:var(--color-primary);cursor:pointer;background-color:#fff;border-radius:4px;padding:6px 12px;font-size:13px;transition:all .2s}.suggestion-button:hover{background-color:var(--color-primary);color:#fff}.validation-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.validation-actions .btn{cursor:pointer;border:none;border-radius:4px;padding:8px 16px;font-size:14px;transition:all .2s}.validation-actions .btn-secondary{background-color:var(--color-gray-100);color:var(--color-gray-800)}.validation-actions .btn-secondary:hover{background-color:var(--color-gray-200)}.validation-actions .btn-primary{background-color:var(--color-primary);color:#fff}.validation-actions .btn-primary:hover{background-color:var(--color-primary-hover)}.other-text-input-wrapper{border-top:1px solid var(--color-gray-200);margin-top:8px;padding-top:8px}.other-text-input{border:1px solid var(--color-gray-300);box-sizing:border-box;background-color:var(--color-gray-50);border-radius:4px;width:100%;padding:8px 12px;font-size:14px;transition:border-color .2s}.other-text-input:focus{border-color:var(--color-primary);background-color:#fff;outline:none}.other-text-input:disabled{background-color:var(--color-gray-100);color:var(--color-gray-400);cursor:not-allowed}.autocomplete-dropdown::-webkit-scrollbar{width:8px}.autocomplete-dropdown::-webkit-scrollbar-track{background:var(--color-gray-100)}.autocomplete-dropdown::-webkit-scrollbar-thumb{background:var(--color-gray-400);border-radius:4px}.autocomplete-dropdown::-webkit-scrollbar-thumb:hover{background:var(--color-gray-600)}.app-header{top:0;left:var(--rail-collapsed,56px);z-index:1000;background:var(--elevana-midnight-blue);box-shadow:var(--shadow-lg);border-bottom:none;height:64px;position:fixed;right:0}.header-content{max-width:100%;height:100%;padding:0 var(--spacing-6);grid-template-columns:1fr auto 1fr;align-items:center;display:grid}.header-left{justify-self:start;align-items:center;display:flex}.header-logo{align-items:center;gap:var(--spacing-3);display:flex}.header-logo-image{width:auto;height:32px}.app-badge{color:#fff;border-radius:var(--radius-md);font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:.05em;background:#ffffff26;padding:4px 10px;font-weight:500}.header-center{justify-content:center;justify-self:center;align-items:center;display:flex}.header-right{justify-self:end;align-items:center;display:flex}.user-controls{align-items:center;gap:var(--spacing-4);display:flex}.user-email{color:#ffffffe6;font-size:var(--font-size-sm);font-weight:500}.user-role{margin-left:var(--spacing-2);opacity:.8;font-size:.9em}.logout-button{background:var(--elevana-pigment-green);color:#fff;border-radius:var(--radius-md);padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm);cursor:pointer;border:none;font-weight:500;transition:background-color .15s ease-in-out}.logout-button:hover{background:var(--color-success-hover)}.logout-button:focus{outline:none;box-shadow:0 0 0 2px #4db05366}.header-script-status{align-items:center;gap:var(--spacing-3);padding:6px var(--spacing-3);border-radius:var(--radius-lg);background:#ffffff1a;border:1px solid #fff3;display:flex}.header-status-badge{border-radius:var(--radius-base);text-transform:uppercase;letter-spacing:.025em;padding:2px 6px;font-size:11px;font-weight:600}.header-component-count{color:#ffffffe6;font-size:13px;font-weight:500}.header-last-saved{font-size:var(--font-size-xs);color:#ffffffb3;font-weight:400}@media (width<=768px){.header-content{padding:0 var(--spacing-4);grid-template-columns:auto 1fr auto}.header-center{margin-right:var(--spacing-3);justify-content:end}.header-script-status{gap:var(--spacing-2);padding:var(--spacing-1) var(--spacing-2)}.header-last-saved{display:none}.header-component-count{font-size:var(--font-size-xs)}.header-status-badge{font-size:10px}.user-email{display:none}.logout-button{padding:6px var(--spacing-3);font-size:13px}}.nav-sidebar{background:var(--color-structure-light);border-right:1px solid var(--color-gray-200);z-index:1;flex-direction:column;flex-shrink:0;width:280px;height:100vh;transition:width .3s;display:flex;position:relative;box-shadow:2px 0 10px #0000000d}.nav-sidebar--collapsed{width:60px}.nav-header{padding:var(--spacing-4) var(--spacing-4) var(--spacing-3);background:var(--color-structure-tint);justify-content:space-between;align-items:flex-start;gap:var(--spacing-2);border-bottom:1px solid #ffffff1f;min-height:48px;display:flex}.nav-brand{gap:var(--spacing-1);flex-direction:column;flex:1;min-width:0;display:flex}.nav-brand h2{font-size:var(--font-size-lg);color:var(--color-structure-text);margin:0 0 var(--spacing-1) 0;font-weight:700}.nav-brand p{font-size:var(--font-size-xs);color:#ffffffbf;align-items:center;gap:var(--spacing-2);margin:0;display:flex}.nav-refresh-indicator{opacity:.7;font-size:10px;animation:2s linear infinite nav-spin}@keyframes nav-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.nav-toggle{background:var(--color-gray-100);border:1px solid var(--color-gray-200);border-radius:var(--radius-md);padding:var(--spacing-2);cursor:pointer;color:var(--color-gray-500);font-size:var(--font-size-xs);width:var(--spacing-8);height:var(--spacing-8);justify-content:center;align-items:center;transition:all .15s;display:flex}.nav-toggle:hover{background:var(--color-gray-200);color:var(--color-gray-600)}.nav-content{padding:var(--spacing-4) 0;flex:1;overflow-y:auto}.nav-section{margin-bottom:var(--spacing-6)}.nav-section-title{font-size:var(--font-size-xs);color:var(--color-gray-600);text-transform:uppercase;letter-spacing:.05em;margin:0 var(--spacing-5) var(--spacing-3) var(--spacing-5);padding-bottom:var(--spacing-2);border-bottom:1px solid var(--color-gray-100);font-weight:600}.nav-list{padding:0 var(--spacing-3)}.nav-project{margin-bottom:var(--spacing-1)}.nav-project-item{padding:var(--spacing-3) var(--spacing-2);border-radius:var(--radius-lg);cursor:pointer;align-items:center;gap:var(--spacing-3);transition:all .15s;display:flex}.nav-project-item:hover{background:var(--color-gray-100)}.nav-project-item--selected{background:var(--color-structure);border:none;border-left:3px solid var(--elevana-pigment-green)}.nav-project-item--selected .nav-project-title,.nav-project-item--selected .nav-project-meta,.nav-project-item--selected .nav-project-expand{color:#fff}.nav-project-item--selected:hover{background:var(--color-structure)}.nav-project-icon{font-size:var(--font-size-base);min-width:var(--spacing-5)}.nav-project-info{flex:1;min-width:0}.nav-project-title{font-size:var(--font-size-sm);color:var(--color-gray-900);white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-weight:500;overflow:hidden}.nav-project-meta{color:var(--color-gray-600);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.nav-project-expand{color:var(--color-gray-400);font-size:10px;transition:transform .15s}.nav-video-list{margin-left:var(--spacing-8);margin-top:var(--spacing-2);border-left:2px solid var(--color-gray-200);padding-left:var(--spacing-4)}.nav-video-item{padding:var(--spacing-2);border-radius:var(--radius-md);cursor:pointer;align-items:center;gap:10px;margin-bottom:2px;transition:all .15s;display:flex}.nav-video-item:hover{background:var(--color-gray-50)}.nav-video-item--selected{background:var(--color-structure);border:none;border-left:3px solid var(--elevana-pigment-green)}.nav-video-item--selected .nav-video-title,.nav-video-item--selected .nav-video-meta{color:#fff}.nav-video-item--selected:hover{background:var(--color-structure)}.nav-video-info{flex:1;min-width:0}.nav-video-title{color:var(--color-gray-800);white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:13px;font-weight:500;overflow:hidden}.nav-video-meta{color:var(--color-gray-600);white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.nav-video-status{width:var(--spacing-2);height:var(--spacing-2);border-radius:var(--radius-full);flex-shrink:0}.status-ready{background:var(--color-success);box-shadow:0 0 0 2px #10b98133}.status-processing{background:var(--color-warning);box-shadow:0 0 0 2px #f59e0b33}.status-pending{background:var(--color-gray-500);box-shadow:0 0 0 2px #6b728033}.nav-collapsed-hint{padding:var(--spacing-5);align-items:center;gap:var(--spacing-2);flex-direction:column;display:flex}.nav-collapsed-icon{font-size:var(--font-size-2xl)}.nav-collapsed-count{font-size:var(--font-size-xs);color:var(--elevana-midnight-blue);border-radius:var(--radius-xl);padding:var(--spacing-1) var(--spacing-2);min-width:var(--spacing-5);text-align:center;background:#241e4a1a;font-weight:600}@media (width<=768px){.nav-sidebar,.nav-sidebar--collapsed{width:60px}}.nav-content::-webkit-scrollbar{width:var(--spacing-2)}.nav-content::-webkit-scrollbar-track{background:0 0}.nav-content::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:3px}.nav-content::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}.nav-loading{padding:var(--spacing-5);color:var(--color-gray-500);font-size:var(--font-size-sm);justify-content:center;align-items:center;display:flex}.nav-loading-spinner{width:var(--spacing-4);height:var(--spacing-4);margin-right:var(--spacing-2);border:2px solid var(--color-gray-100);border-radius:var(--radius-full);border-top-color:var(--elevana-midnight-blue);animation:1s ease-in-out infinite nav-spin;display:inline-block}.nav-error{padding:var(--spacing-4) var(--spacing-5);color:var(--color-error-hover);background:var(--color-error-bg);border:1px solid var(--color-error-border);border-radius:var(--radius-md);margin:var(--spacing-2) var(--spacing-3);font-size:13px}.nav-empty{padding:var(--spacing-5);text-align:center;color:var(--color-gray-500);font-size:13px;font-style:italic}.nav-empty-icon{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-2);opacity:.5}.nav-search-container{width:100%;margin-bottom:var(--spacing-2);position:relative}.nav-search-input{width:100%;padding:var(--spacing-2) var(--spacing-3);padding-right:var(--spacing-8);border-radius:var(--radius-md);color:var(--color-structure-text,#fff);font-size:var(--font-size-sm);box-sizing:border-box;background:#ffffff1f;border:1px solid #ffffff2e;outline:none;transition:all .15s}.nav-search-input::placeholder{color:#ffffff80}.nav-search-input:focus{background:#ffffff2e;border-color:#ffffff59;box-shadow:0 0 0 2px #ffffff14}.nav-search-clear{right:var(--spacing-2);color:#ffffff80;cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:2px 4px;font-size:16px;line-height:1;transition:color .15s;position:absolute;top:50%;transform:translateY(-50%)}.nav-search-clear:hover{color:#fffc}.nav-filter-controls{border-radius:var(--radius-md,6px);background:#ffffff14;gap:0;width:100%;padding:2px;display:flex}.nav-filter-btn{padding:5px var(--spacing-2,6px);border-radius:calc(var(--radius-md,6px) - 2px);color:#ffffff8c;font-size:var(--font-size-xs,.75rem);cursor:pointer;white-space:nowrap;background:0 0;border:none;flex:1;font-weight:500;line-height:1.4;transition:all .15s}.nav-filter-btn:hover{color:#ffffffd9;background:#ffffff0f}.nav-filter-btn--active{color:#fff;background:#ffffff26;font-weight:600;box-shadow:0 1px 3px #0003}.nav-filter-btn--active:hover{background:#ffffff2e}.nav-sidebar--embedded{width:100%;height:100%;box-shadow:none;border-right:none}.nav-header--embedded{align-items:stretch;gap:var(--spacing-2);flex-direction:column;min-height:auto}.nav-header--embedded .nav-search-input{background:#ffffff26;border-color:#fff3}.nav-header--embedded 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.a{color:var(--elevana-pigment-green)}.rail-mark-label{letter-spacing:-.01em;color:#fff;white-space:nowrap;opacity:0;font-size:14px;font-weight:500;transition:opacity .12s}.rail.rail-expanded .rail-mark-label{opacity:1}.rail-list{flex-direction:column;flex:1;padding:8px 0;display:flex;overflow:hidden}.rail-item{color:#ffffffd1;cursor:pointer;text-align:left;background:0 0;border:0;flex:0 0 44px;align-items:center;width:100%;height:44px;margin:0;padding:0;font-family:inherit;font-size:13px;display:flex;position:relative}.rail-item:hover{color:#fff;background:#ffffff0f}.rail-item--active{color:#fff;background:#ffffff1a}.rail-item--active:before{content:"";background:var(--color-action-primary);border-radius:0 2px 2px 0;width:3px;position:absolute;top:6px;bottom:6px;left:0}.rail-item--disabled{opacity:.4;cursor:not-allowed}.rail-item--disabled:hover{color:#ffffffd1;background:0 0}.rail-item-icon{flex:0 0 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0}.rail-toggle:focus-visible,.rail-item:focus-visible{outline:2px solid var(--color-action-primary);outline-offset:-2px}.nav-tree{flex-direction:column;height:100%;display:flex;overflow:hidden}.nav-tree-search{border-bottom:1px solid var(--color-gray-100);flex-shrink:0;padding:12px}.nav-tree-search-input{border:1px solid var(--color-gray-200);width:100%;color:var(--color-gray-800);background:var(--color-gray-50);box-sizing:border-box;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");background-position:10px;background-repeat:no-repeat;background-size:16px 16px;border-radius:6px;outline:none;padding:8px 12px 8px 34px;font-size:13px;transition:border-color .15s,box-shadow .15s}.nav-tree-search-input:focus{border-color:var(--color-primary);background-color:#fff;box-shadow:0 0 0 3px #241e4a1a}.nav-tree-search-input::placeholder{color:var(--color-gray-400)}.nav-tree-list{flex:1;padding:8px 12px;overflow-y:auto}.nav-tree-list::-webkit-scrollbar{width:6px}.nav-tree-list::-webkit-scrollbar-track{background:0 0}.nav-tree-list::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:3px}.nav-tree-list::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}.nav-tree-project{margin-bottom:4px}.nav-tree-project-item{cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:10px 8px;transition:all .15s;display:flex}.nav-tree-project-item:hover{background:var(--color-gray-100)}.nav-tree-project-item--selected{background:var(--color-gray-100);border-left:3px solid var(--color-primary)}.nav-tree-project-item--selected:hover{background:var(--color-gray-200)}.nav-tree-project-icon{min-width:20px;font-size:16px}.nav-tree-project-info{flex:1;min-width:0}.nav-tree-project-title{color:var(--color-gray-800);white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:14px;font-weight:500;overflow:hidden}.nav-tree-project-meta{color:var(--color-gray-500);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.nav-tree-project-expand{color:var(--color-gray-400);font-size:10px;transition:transform .15s}.nav-tree-video-list{border-left:2px solid var(--color-gray-100);margin-top:4px;margin-left:32px;padding-left:12px}.nav-tree-video-item{cursor:pointer;border-radius:6px;align-items:center;gap:10px;margin-bottom:2px;padding:8px;transition:all .15s;display:flex}.nav-tree-video-item:hover{background:var(--color-gray-50)}.nav-tree-video-item--selected{background:var(--color-gray-100);border-left:3px solid var(--color-primary)}.nav-tree-video-item--selected:hover{background:var(--color-gray-200)}.nav-tree-video-info{flex:1;min-width:0}.nav-tree-video-title{color:var(--color-gray-700);white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:13px;font-weight:500;overflow:hidden}.nav-tree-video-meta{color:var(--color-gray-500);white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.nav-tree-video-status{border-radius:50%;flex-shrink:0;width:8px;height:8px}.nav-tree-video-status.status-ready{background:var(--color-success);box-shadow:0 0 0 2px #4db05333}.nav-tree-video-status.status-processing{background:var(--color-warning);box-shadow:0 0 0 2px #f59e0b33}.nav-tree-video-status.status-pending{background:var(--color-gray-500);box-shadow:0 0 0 2px #6b728033}.nav-tree-loading{color:var(--color-gray-500);justify-content:center;align-items:center;padding:20px;font-size:14px;display:flex}.nav-tree-error{color:var(--color-error);background:var(--color-error-bg);border:1px solid var(--color-error-border);border-radius:6px;margin:8px 12px;padding:16px 20px;font-size:13px}.nav-tree-empty{text-align:center;color:var(--color-gray-500);padding:20px;font-size:13px;font-style:italic}