@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;450;500;550;600;700&display=swap");:root{--color-primary:#1E40AF;--color-primary-light:#3B82F6;--color-primary-lighter:#DBEAFE;--color-primary-subtle:#EFF6FF;--color-secondary:#F59E0B;--color-secondary-light:#FCD34D;--color-accent:#059669;--color-danger:#DC2626;--color-danger-light:#FEE2E2;--color-danger-hover:#B91C1C;--color-bg:#F8FAFC;--color-surface:#FFFFFF;--color-surface-hover:#F1F5F9;--color-surface-active:#E2E8F0;--color-border:#E2E8F0;--color-border-light:#F1F5F9;--color-text:#0F172A;--color-text-secondary:#475569;--color-text-tertiary:#94A3B8;--color-text-inverse:#FFFFFF;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 12px rgba(0,0,0,0.08);--shadow-lg:0 8px 30px rgba(0,0,0,0.12);--shadow-card:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);--shadow-card-hover:0 10px 25px rgba(0,0,0,0.1);--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--font-sans:"Inter",system-ui,-apple-system,sans-serif;--font-mono:"Fira Code",ui-monospace,monospace}.media-page{min-height:100vh;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}.media-header{padding:var(--space-6) var(--space-8);background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:var(--space-4)}.media-header-icon{width:44px;height:44px;border-radius:var(--radius-md);background:var(--color-primary-lighter);display:flex;align-items:center;justify-content:center;flex-shrink:0}.media-header-icon svg{width:22px;height:22px;color:var(--color-primary)}.media-header-text h1{font-size:1.25rem;font-weight:650;color:var(--color-text);margin:0;letter-spacing:-.01em}.media-header-text p{color:var(--color-text-tertiary);font-size:.8rem;margin:var(--space-1) 0 0;line-height:1.4}.media-layout{display:flex;min-height:calc(100vh - 82px)}.media-sidebar{width:240px;min-width:240px;background:var(--color-surface);border-right:1px solid var(--color-border);padding:var(--space-5) 0;display:flex;flex-direction:column;gap:1px;overflow-y:auto}.sidebar-label{font-size:.65rem;font-weight:650;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-tertiary);padding:0 var(--space-5) var(--space-3)}.sidebar-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-5);cursor:pointer;background:none;color:var(--color-text-secondary);font-size:.85rem;font-weight:450;text-align:left;width:100%;transition:all .15s ease;border:none;border-left:3px solid transparent;font-family:inherit}.sidebar-item:hover{background:var(--color-surface-hover);color:var(--color-text)}.sidebar-item.active{color:var(--color-primary);background:var(--color-primary-subtle);border-left-color:var(--color-primary);font-weight:550}.sidebar-icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:.85rem;opacity:.6}.sidebar-item.active .sidebar-icon{opacity:1}.sidebar-count{margin-left:auto;font-size:.7rem;font-weight:550;background:var(--color-surface-hover);padding:2px var(--space-2);border-radius:999px;color:var(--color-text-tertiary);min-width:22px;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.sidebar-item.active .sidebar-count{background:var(--color-primary-lighter);color:var(--color-primary)}.media-toolbar{gap:var(--space-3);padding:var(--space-3) var(--space-6);background:var(--color-surface);border-bottom:1px solid var(--color-border-light);flex-wrap:wrap;min-height:52px}.media-toolbar,.toggle-label{display:flex;align-items:center}.toggle-label{gap:var(--space-2);font-size:.8rem;color:var(--color-text-secondary);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;font-weight:450}.toggle-switch{position:relative;width:36px;height:20px;background:var(--color-surface-active);border-radius:999px;transition:background .2s ease;flex-shrink:0;cursor:pointer}.toggle-switch.on{background:var(--color-primary)}.toggle-switch:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--color-surface);border-radius:50%;transition:transform .2s ease;box-shadow:var(--shadow-sm)}.toggle-switch.on:after{transform:translateX(16px)}.toolbar-spacer{flex:1 1}.toolbar-info{font-size:.8rem;color:var(--color-text-tertiary);font-weight:450;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:none;border-radius:var(--radius-sm);font-size:.8rem;font-weight:550;cursor:pointer;transition:all .2s ease;font-family:inherit;white-space:nowrap}.btn-primary{background:var(--color-primary);color:var(--color-text-inverse)}.btn-primary:hover{background:var(--color-primary-light);box-shadow:0 2px 10px rgba(30,64,175,.25)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-secondary{background:var(--color-surface);color:var(--color-text-secondary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-surface-hover);color:var(--color-text);border-color:var(--color-surface-active)}.btn-danger{background:var(--color-danger-light);color:var(--color-danger);border:1px solid rgba(220,38,38,.15)}.btn-danger:hover{background:var(--color-danger);color:var(--color-text-inverse)}.btn-danger:disabled{opacity:.5;cursor:not-allowed}.media-content{flex:1 1;overflow-y:auto;min-width:0}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:var(--space-4);gap:var(--space-4);padding:var(--space-6)}.file-card{position:relative;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:all .25s ease;box-shadow:var(--shadow-card)}.file-card:hover{border-color:var(--color-surface-active);box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}.file-card.selected{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-lighter),var(--shadow-md)}.card-checkbox{position:absolute;top:var(--space-3);left:var(--space-3);z-index:2;width:22px;height:22px;border-radius:var(--radius-sm);border:2px solid #64748b;background:#FFFFFF;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease;box-shadow:0 1px 4px rgba(0,0,0,.2)}.card-checkbox:hover{border-color:var(--color-primary);background:var(--color-primary-lighter);box-shadow:0 1px 6px rgba(0,0,0,.25)}.card-checkbox.checked{background:var(--color-primary);border-color:var(--color-primary);box-shadow:0 1px 6px rgba(30,64,175,.35)}.card-checkbox.checked:after{content:"";width:10px;height:6px;border-left:2.5px solid #fff;border-bottom:2.5px solid #fff;transform:rotate(-45deg) translateY(-1px)}.card-thumb{width:100%;aspect-ratio:1;background:var(--color-bg);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.file-card:hover .card-thumb img{transform:scale(1.04)}.card-thumb-icon{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);color:var(--color-text-tertiary)}.card-thumb-icon svg{width:32px;height:32px;opacity:.4}.card-thumb-icon span{font-size:.65rem;font-weight:550;text-transform:uppercase;letter-spacing:.08em;opacity:.5}.card-info{padding:var(--space-3) var(--space-4)}.card-filename{font-size:.8rem;font-weight:500;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:var(--space-1);line-height:1.4}.card-meta{display:flex;justify-content:space-between;font-size:.7rem;color:var(--color-text-tertiary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.used-badge{position:absolute;top:var(--space-3);right:var(--space-3);background:rgba(245,158,11,.12);color:#B45309;font-size:.6rem;font-weight:650;padding:3px var(--space-2);border-radius:var(--radius-sm);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2;letter-spacing:.03em;text-transform:uppercase}.lightbox-overlay{position:fixed;inset:0;z-index:100;background:rgba(15,23,42,.85);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.lightbox-content{position:relative;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;gap:var(--space-5);animation:scaleIn .3s cubic-bezier(.16,1,.3,1)}@keyframes scaleIn{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.lightbox-media img,.lightbox-media 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var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.media-error{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-12) var(--space-8);text-align:center;gap:var(--space-3)}.media-error svg{width:40px;height:40px;color:var(--color-danger);opacity:.6}.media-error p{font-size:.85rem;color:var(--color-text-secondary);margin:0}.upload-page{min-height:100vh;background:var(--color-bg);display:flex;flex-direction:column;align-items:center;padding:var(--space-8) var(--space-6)}.upload-page-header{width:100%;max-width:560px;margin-bottom:var(--space-6)}.upload-page-header h1{font-size:1.5rem;font-weight:700;color:var(--color-text);margin:var(--space-4) 0 var(--space-1)}.upload-page-header 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var(--space-3);opacity:.6}.upload-dropzone p{margin:0;font-size:.85rem;font-weight:500}.upload-dropzone-hint{font-size:.75rem!important;font-weight:400!important;margin-top:var(--space-1)!important;opacity:.7}.upload-folder-btn{display:inline-flex;align-items:center;gap:var(--space-2);margin-top:var(--space-4);padding:var(--space-2) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text-secondary);font-size:.8rem;font-weight:550;font-family:inherit;cursor:pointer;transition:all .15s ease}.upload-folder-btn:hover{background:var(--color-surface-hover);color:var(--color-text);border-color:var(--color-surface-active)}.upload-file-list{margin:0 var(--space-6) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;max-height:200px;overflow-y:auto}.upload-file-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);gap:var(--space-3);border-bottom:1px solid var(--color-border-light);font-size:.8rem}.upload-file-item:last-child{border-bottom:none}.upload-file-item.error,.upload-file-item.too-large{background:var(--color-danger-light)}.upload-file-item.done{background:rgba(5,150,105,.05)}.upload-file-info{display:flex;align-items:center;gap:var(--space-3);min-width:0;flex:1 1}.upload-file-name{color:var(--color-text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-file-size{color:var(--color-text-tertiary);flex-shrink:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.upload-file-status{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.upload-file-remove{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:var(--color-text-tertiary);border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.upload-file-remove:hover{background:var(--color-surface-hover);color:var(--color-danger)}.upload-spinner{width:16px;height:16px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}.upload-error-badge{display:inline-flex;align-items:center;gap:var(--space-1);color:var(--color-danger);font-size:.75rem;font-weight:500;white-space:nowrap}.upload-done-summary{display:flex;flex-direction:column;gap:var(--space-2);padding:0 var(--space-6) var(--space-4);font-size:.85rem}.upload-done-success{color:var(--color-accent);font-weight:550}.upload-done-error{color:var(--color-danger);font-weight:550}.upload-actions{display:flex;justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) var(--space-6) var(--space-6);border-top:1px solid var(--color-border-light)}@media (max-width:768px){.media-header{padding:var(--space-4) var(--space-4)}.media-layout{flex-direction:column}.media-sidebar{width:100%;min-width:unset;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--color-border);padding:var(--space-3) var(--space-4);gap:var(--space-2);background:var(--color-surface)}.sidebar-label{display:none}.sidebar-item{white-space:nowrap;border-left:none;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:.8rem}.sidebar-item.active{border-left-color:transparent;background:var(--color-primary-lighter)}.media-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));padding:var(--space-4);gap:var(--space-3)}.media-toolbar{padding:var(--space-3) var(--space-4)}}