@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-primary:#080c12;--bg-secondary:#0d1117;--bg-surface:#111827;--bg-elevated:#1a2233;--bg-hover:#1f2d44;--border-subtle:#ffffff0f;--border-default:#ffffff1a;--border-focus:#63b3ed80;--accent-primary:#63b3ed;--accent-secondary:#9f7aea;--accent-success:#48bb78;--accent-warning:#ed8936;--accent-danger:#fc8181;--accent-glow:#63b3ed40;--accent-purple-glow:#9f7aea33;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 20px #00000080;--shadow-lg:0 12px 48px #000000b3;--shadow-glow:0 0 25px var(--accent-glow);--shadow-inner:inset 0 2px 4px #0000004d;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--transition-fast:.1s ease;--transition-base:.2s ease;--transition-slow:.35s cubic-bezier(.4, 0, .2, 1);--sidebar-width:280px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;height:100%}body{height:100%;font-family:var(--font-sans);color:#e2e8f0;background:var(--bg-primary);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5;overflow:hidden}#root{flex-direction:column;height:100%;display:flex}a{color:var(--accent-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff38}.app-shell{height:100%;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-subtle);flex-direction:column;display:flex;overflow:hidden}.main-content{background:var(--bg-primary);flex-direction:column;flex:1;width:100%;display:flex;overflow:hidden}.mobile-menu-btn{color:#fff;cursor:pointer;background:0 0;border:none;margin-right:8px;padding:4px;font-size:24px;display:none}.sidebar-backdrop{z-index:99;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0009;display:none;position:fixed;inset:0}@media (width<=800px){.mobile-menu-btn{display:block}.sidebar{z-index:100;height:100%;transition:left .3s;position:fixed;top:0;left:-100%;box-shadow:4px 0 24px #00000080}.sidebar.mobile-open{left:0}.sidebar-backdrop{display:block}}.sidebar-logo{border-bottom:1px solid var(--border-subtle);align-items:center;gap:10px;padding:20px 20px 18px;display:flex}.sidebar-logo-icon{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex;box-shadow:0 0 12px #63b3ed4d}.sidebar-logo-text{letter-spacing:-.3px;color:#fff;font-size:13px;font-weight:700;line-height:1.2}.sidebar-logo-sub{color:#64748b;letter-spacing:.5px;text-transform:uppercase;font-size:10px;font-weight:400}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 10px;display:flex;overflow-y:auto}.nav-section-title{color:#4a5568;text-transform:uppercase;letter-spacing:1px;padding:10px 10px 6px;font-size:10px;font-weight:600}.nav-item{border-radius:var(--radius-sm);color:#94a3b8;transition:all var(--transition-base);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:9px 12px;font-size:13px;font-weight:500;display:flex}.nav-item:hover{background:var(--bg-hover);color:#dde}.nav-item.active{color:var(--accent-primary);box-shadow:inset 2px 0 0 var(--accent-primary);background:#63b3ed1f}.nav-item .nav-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;font-size:16px;display:flex}.nav-badge{color:var(--accent-primary);background:#63b3ed26;border-radius:10px;margin-left:auto;padding:1px 6px;font-size:10px;font-weight:600}.sidebar-footer{border-top:1px solid var(--border-subtle);color:#4a5568;align-items:center;gap:6px;padding:12px 14px;font-size:11px;display:flex}.page-header{border-bottom:1px solid var(--border-subtle);background:var(--bg-secondary);flex-shrink:0;align-items:center;gap:14px;padding:16px 24px;display:flex}.page-title{color:#f0f4f8;letter-spacing:-.3px;font-size:16px;font-weight:700}.page-subtitle{color:#64748b;margin-top:1px;font-size:12px}.page-header-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.btn{border-radius:var(--radius-sm);transition:all var(--transition-base);cursor:pointer;white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;line-height:1;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent-primary);color:#0a0e17;border-color:var(--accent-primary)}.btn-primary:hover{background:#90cdf4;box-shadow:0 0 14px #63b3ed4d}.btn-secondary{background:var(--bg-elevated);color:#cbd5e0;border-color:var(--border-default)}.btn-secondary:hover{background:var(--bg-hover);color:#fff}.btn-danger{color:var(--accent-danger);background:#fc81811f;border-color:#fc818133}.btn-danger:hover{background:#fc818133}.btn-ghost{color:#64748b;background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--bg-hover);color:#cbd5e0}.btn-sm{padding:5px 10px;font-size:12px}.btn-icon{padding:7px}.btn-icon.btn-sm{padding:5px}.input{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:#e2e8f0;transition:border-color var(--transition-base), box-shadow var(--transition-base);outline:none;width:100%;padding:7px 11px;font-size:13px}.input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #63b3ed1a}.input::placeholder{color:#4a5568}.input-group{align-items:center;gap:8px;display:flex}.search-input{flex:1;position:relative}.search-input .icon{color:#4a5568;pointer-events:none;font-size:14px;position:absolute;top:50%;left:9px;transform:translateY(-50%)}.search-input .input{padding-left:32px}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:#94a3b8;font-size:12px;font-weight:500}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden}.card-padded{padding:16px 18px}.glass{-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);background:#111827b3}.badge{border-radius:20px;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-blue{color:var(--accent-primary);background:#63b3ed26}.badge-purple{color:var(--accent-secondary);background:#9f7aea26}.badge-green{color:var(--accent-success);background:#48bb7826}.badge-red{color:var(--accent-danger);background:#fc818126}.badge-gray{color:#64748b;background:#64748b26}.toggle{cursor:pointer;flex-shrink:0;align-items:center;width:34px;height:20px;display:inline-flex;position:relative}.toggle input{opacity:0;width:0;height:0}.toggle-track{transition:background var(--transition-base);background:#2d3748;border-radius:20px;position:absolute;inset:0}.toggle input:checked~.toggle-track{background:var(--accent-primary)}.toggle-thumb{width:14px;height:14px;transition:transform var(--transition-base);box-shadow:var(--shadow-sm);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px}.toggle input:checked~.toggle-thumb{transform:translate(14px)}.checkbox{width:15px;height:15px;accent-color:var(--accent-primary);cursor:pointer;flex-shrink:0}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;animation:fadeIn var(--transition-base);background:#000000a6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:480px;max-width:95vw;max-height:90vh;animation:slideUp var(--transition-slow);flex-direction:column;display:flex}.modal-wide{width:640px}.modal-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:18px 20px 16px;display:flex}.modal-title{color:#f0f4f8;font-size:15px;font-weight:700}.modal-body{flex-direction:column;flex:1;gap:14px;padding:20px;display:flex;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-subtle);justify-content:flex-end;gap:8px;padding:14px 20px;display:flex}.toast-container{z-index:2000;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border-default);box-shadow:var(--shadow-lg);color:#e2e8f0;pointer-events:all;align-items:center;gap:10px;min-width:260px;padding:12px 16px;font-size:13px;animation:.2s slideInRight;display:flex}.toast-success{border-left:3px solid var(--accent-success)}.toast-error{border-left:3px solid var(--accent-danger)}.toast-info{border-left:3px solid var(--accent-primary)}.empty-state{color:#4a5568;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:60px 20px;display:flex}.empty-state-icon{opacity:.5;font-size:40px}.empty-state-title{color:#64748b;font-size:15px;font-weight:600}.empty-state-desc{max-width:300px;font-size:13px}.spinner{border:2px solid #63b3ed33;border-top-color:var(--accent-primary);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}.spinner-sm{width:14px;height:14px}.loading-row{color:#64748b;justify-content:center;align-items:center;gap:10px;height:120px;font-size:13px;display:flex}.progress-bar{background:var(--border-subtle);border-radius:2px;height:3px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));border-radius:2px;height:100%;transition:width .3s}.divider{background:var(--border-subtle);width:100%;height:1px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.animate-pulse{animation:1.5s infinite pulse}.skeleton{background:linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.drop-zone{border:2px dashed var(--border-default);border-radius:var(--radius-md);transition:all var(--transition-base);cursor:pointer;color:#4a5568;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:40px;display:flex}.drop-zone:hover,.drop-zone.dragging{border-color:var(--accent-primary);background:var(--accent-glow);color:var(--accent-primary)}.text-muted{color:#64748b}.text-accent{color:var(--accent-primary)}.text-danger{color:var(--accent-danger)}.text-success{color:var(--accent-success)}.text-sm{font-size:12px}.text-xs{font-size:11px}.text-mono{font-family:var(--font-mono)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.flex-1{flex:1}.ml-auto{margin-left:auto}.truncate{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.w-full{width:100%}.hidden{display:none}.playlist-editor-layout{height:100%;display:flex;overflow:hidden}.left-panel{border-right:1px solid var(--border-subtle);background:var(--bg-secondary);flex-direction:column;width:265px;min-width:265px;display:flex;overflow:hidden}@media (width<=800px){.playlist-editor-layout{flex-direction:column}.left-panel{border-right:none;border-bottom:1px solid var(--border-subtle);width:100%;min-width:100%;height:300px}}.template-selector{align-items:center;gap:6px;padding:10px 10px 6px;display:flex}.group-tree{flex-direction:column;display:flex}.group-item{cursor:pointer;transition:background var(--transition-fast);border-left:2px solid #0000;align-items:center;gap:7px;padding:7px 10px;display:flex;position:relative}.group-item:hover{background:var(--bg-hover)}.group-item:hover .group-actions{opacity:1}.group-item.active{border-left-color:var(--accent-primary);background:#63b3ed14}.group-item.group-hidden .group-name{opacity:.4;text-decoration:line-through}.group-icon{flex-shrink:0;font-size:13px}.group-name{color:#cbd5e0;flex:1;min-width:0;font-size:12.5px}.group-item.active .group-name{color:var(--accent-primary)}.group-count{color:#4a5568;background:var(--bg-elevated);border-radius:10px;flex-shrink:0;padding:1px 6px;font-size:10px}.group-actions{opacity:0;transition:opacity var(--transition-fast);flex-shrink:0;gap:2px;display:flex}.channel-list-wrap{flex-direction:column;height:100%;display:flex;overflow:hidden}.channel-toolbar{border-bottom:1px solid var(--border-subtle);background:var(--bg-secondary);flex-wrap:wrap;flex-shrink:0;align-items:center;gap:8px;padding:10px 14px;display:flex}.channel-select-bar{border-bottom:1px solid var(--border-subtle);background:var(--bg-secondary);flex-shrink:0;align-items:center;gap:8px;padding:6px 14px;display:flex}.channel-list-scroll{flex:1;overflow:hidden auto}.channel-row{border-bottom:1px solid var(--border-subtle);cursor:pointer;height:52px;transition:background var(--transition-fast);-webkit-user-select:none;user-select:none;align-items:center;gap:10px;padding:0 14px;display:flex}.channel-row:hover{background:var(--bg-hover)}.channel-row.selected{background:#63b3ed12}.channel-row.hidden-channel{opacity:.4}.channel-logo{object-fit:contain;background:var(--bg-elevated);border-radius:4px;flex-shrink:0;width:28px;height:28px}.channel-logo-placeholder{background:var(--bg-elevated);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;display:flex}.channel-info{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.channel-name{color:#e2e8f0;font-size:13px;font-weight:500}.channel-meta{align-items:center;gap:5px;display:flex}.channel-name-edit{height:24px;padding:2px 6px;font-size:12px}.channel-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.table-container{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin-top:8px;overflow-x:auto}.data-table{border-collapse:separate;border-spacing:0;text-align:left;width:100%;font-size:13px}.data-table th{color:#94a3b8;border-bottom:1px solid var(--border-default);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;z-index:10;background:#ffffff05;padding:12px 18px;font-size:11px;font-weight:600;position:sticky;top:0}.data-table td{border-bottom:1px solid var(--border-subtle);color:#e2e8f0;vertical-align:middle;padding:14px 18px}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#ffffff04}.table-identity{align-items:center;gap:12px;display:flex}.table-avatar{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#0a0e17;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:700;display:flex}.table-actions{justify-content:flex-end;gap:6px;display:flex}