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transparent;line-height:var(--line-height-tight)}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{background:var(--color-text-disabled);border-color:var(--color-text-disabled);cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:var(--color-bg-card);color:var(--color-primary);border:1px solid var(--color-primary)}.btn-secondary:hover{background:var(--color-primary-lighter);transform:translateY(-1px)}.btn-secondary:active{transform:translateY(0)}.btn-danger{background:var(--color-danger);color:#fff;border-color:var(--color-danger)}.btn-danger:hover{background:var(--color-danger-hover);border-color:var(--color-danger-hover);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-ghost{background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border)}.btn-ghost:hover{background:var(--color-bg-hover);border-color:var(--color-text-muted)}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-sm)}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:var(--font-size-md)}.upload-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:var(--spacing-3xl);background:var(--color-bg-page)}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:560px;padding:64px 48px;border:2px dashed var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-card);cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--color-primary);background:var(--color-primary-lighter);transform:translateY(-2px);box-shadow:var(--shadow-md)}.upload-zone h2{margin-top:var(--spacing-xl);font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.upload-zone p{margin-top:var(--spacing-sm);font-size:var(--font-size-md);color:var(--color-text-muted)}.upload-icon{width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:var(--color-primary-light);border-radius:var(--radius-lg);color:var(--color-primary)}.upload-icon svg{width:40px;height:40px}.main-layout{display:flex;flex:1;overflow:hidden;background:var(--color-bg-page)}.sidebar{width:25%;min-width:320px;max-width:420px;background:var(--color-bg-card);border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.sidebar-header h2{font-size:var(--font-size-md);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}.sidebar-stats{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--color-text-muted);margin-top:var(--spacing-xs)}.block-filters{padding:var(--spacing-md);border-bottom:1px 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var(--transition-fast)}.genre-dropdown-btn:hover{border-color:var(--color-text-muted)}.genre-dropdown-btn.has-selection{background:var(--color-primary-lighter);border-color:var(--color-primary);color:var(--color-primary)}.dropdown-arrow{font-size:var(--font-size-xs);color:var(--color-text-muted);transition:transform var(--transition-fast)}.genre-dropdown-menu{position:absolute;top:100%;left:0;right:0;margin-top:var(--spacing-xs);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:var(--z-dropdown);max-height:320px;overflow-y:auto}.genre-clear-btn{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-danger);background:var(--color-bg-card);border:none;border-bottom:1px solid var(--color-border-light);cursor:pointer;text-align:left;transition:background 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var(--spacing-sm);border-radius:var(--radius-full);background:var(--color-primary);color:#fff;font-weight:var(--font-weight-semibold);flex-shrink:0}.block-item-badge.novice{background:var(--color-success)}.block-item-meta{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--color-text-muted);font-weight:var(--font-weight-medium)}.grouping-tag{font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);padding:3px 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var(--transition-fast)}.day-tab.active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm)}.day-tab:hover:not(.active){background:var(--color-border);color:var(--color-text-secondary)}.day-tab-edit{padding:var(--spacing-xs) var(--spacing-sm);background:transparent;border:none;border-radius:var(--radius-sm);font-size:var(--font-size-sm);color:var(--color-text-disabled);cursor:pointer;transition:all var(--transition-fast)}.day-tab-edit:hover{background:var(--color-bg-hover);color:var(--color-text-secondary)}.day-tab-wrapper:has(.day-tab.active) .day-tab-edit{color:var(--color-primary)}.day-tab-wrapper:has(.day-tab.active) .day-tab-edit:hover{background:var(--color-primary-light)}.add-day-btn{padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:2px dashed var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-muted);cursor:pointer;white-space:nowrap;flex-shrink:0;transition:all var(--transition-fast)}.add-day-btn:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-lighter)}.timeline-container{flex:1;overflow-y:auto;padding:0 var(--spacing-xl) var(--spacing-xl) var(--spacing-xl)}.timeline{position:relative;min-height:200px;background:var(--color-bg-card);border-radius:0 0 var(--radius-md) var(--radius-md);border:1px solid var(--color-border);border-top:none}.timeline-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-xl);border:1px solid var(--color-border);background:var(--color-bg-card);position:sticky;top:0;z-index:var(--z-sticky);border-radius:var(--radius-md) var(--radius-md) 0 0;margin-top:var(--spacing-xl);box-shadow:var(--shadow-sm)}.timeline-header-left{display:flex;align-items:center;gap:var(--spacing-lg)}.timeline-header h3{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin:0;color:var(--color-text-primary)}.timeline-header-stats{font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-muted);background:var(--color-bg-subtle);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm)}.timeline-time-config{display:flex;align-items:center;gap:var(--spacing-md);font-size:var(--font-size-base)}.timeline-time-config input[type=time]{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.timeline-time-config input[type=time]:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.timeline-time-config label{font-weight:var(--font-weight-semibold);color:var(--color-text-secondary)}.timeline-body{padding:var(--spacing-lg);min-height:400px}.timeline-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px var(--spacing-xl);color:var(--color-text-muted);text-align:center}.timeline-empty p{font-size:var(--font-size-md);margin:0}.timeline-empty-icon{width:72px;height:72px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-subtle);border-radius:var(--radius-lg);margin-bottom:var(--spacing-lg);color:var(--color-text-disabled)}.timeline-empty-icon svg{width:36px;height:36px}.drop-zone{min-height:100px;border:2px dashed transparent;border-radius:var(--radius-md);transition:all var(--transition-normal)}.drop-zone.over{border-color:var(--color-primary);background:var(--color-primary-lighter)}.scheduled-block{display:flex;margin-bottom:2px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow var(--transition-fast)}.scheduled-block:hover{box-shadow:var(--shadow-sm)}.scheduled-block-time{width:90px;padding:var(--spacing-md);background:var(--color-primary);color:#fff;font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);display:flex;flex-direction:column;justify-content:center;align-items:center}.scheduled-block-time .end-time{font-size:var(--font-size-sm);opacity:.75;margin-top:2px}.scheduled-block-content{flex:1;padding:var(--spacing-md) var(--spacing-xl);display:flex;justify-content:space-between;align-items:center}.scheduled-block-info h4{font-size:var(--font-size-md);font-weight:var(--font-weight-bold);margin:0;display:flex;align-items:center;gap:var(--spacing-sm);color:var(--color-text-primary)}.scheduled-block-info p{margin:0;font-size:var(--font-size-base);color:var(--color-text-muted)}.block-meta-inline{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-muted)}.clash-badge{display:inline-flex;align-items:center;margin-left:var(--spacing-sm);padding:2px 8px;font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);color:#b45309;background:#fef3c7;border-radius:var(--radius-full);cursor:help}.clash-badge:hover{background:#fde68a}.scheduled-block-actions{display:flex;gap:var(--spacing-sm)}.scheduled-block-actions button{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base)}.break-block{display:flex;align-items:center;margin-bottom:2px;background:var(--color-warning-light);border:1px solid var(--color-warning-border);border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;transition:all var(--transition-fast);padding:var(--spacing-xs) 0}.break-block:hover{box-shadow:var(--shadow-sm);transform:translateY(-1px)}.break-block.dragging{opacity:.5}.break-block.drag-over{position:relative}.break-block.drag-over:before{content:"";position:absolute;top:-3px;left:0;right:0;height:4px;background:var(--color-warning);border-radius:2px;box-shadow:0 0 6px #f39c1299;z-index:10}.break-block .scheduled-block-time{background:var(--color-warning);padding:var(--spacing-xs) var(--spacing-md);min-width:auto}.break-block .scheduled-block-time span{font-size:var(--font-size-sm)}.break-block .scheduled-block-time .end-time{display:none}.break-block .scheduled-block-content{padding:var(--spacing-xs) var(--spacing-md)}.break-block .scheduled-block-info h4{font-size:var(--font-size-sm);margin:0}.break-block .scheduled-block-info p{display:none}.break-block .scheduled-block-actions{gap:var(--spacing-xs)}.break-block .btn-small{padding:3px 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0;color:var(--color-text-secondary)}.merge-subgroup-title.scheduled{color:var(--color-danger)}.merge-no-changes{text-align:center;color:var(--color-text-muted);padding:var(--spacing-2xl)}.export-dropdown{position:relative}.export-menu{position:absolute;top:100%;right:0;margin-top:4px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 4px 16px #0000001f;min-width:180px;z-index:100;overflow:hidden}.export-menu button{display:block;width:100%;padding:10px 16px;text-align:left;background:none;border:none;font-size:var(--font-size-sm);color:var(--color-text-primary);cursor:pointer;transition:background .15s}.export-menu button:hover{background:var(--color-bg-subtle)}.export-menu button:not(:last-child){border-bottom:1px solid var(--color-border)}.duration-input-row{display:flex;gap:var(--spacing-sm);align-items:center}.duration-input-row input{width:80px}.duration-presets{display:flex;gap:var(--spacing-xs)}.preset-btn{padding:6px 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summary{cursor:pointer;font-weight:var(--font-weight-medium);color:var(--color-text-secondary)}.error-details pre{margin-top:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--color-danger);white-space:pre-wrap;word-break:break-word}.error-actions{display:flex;gap:var(--spacing-md);justify-content:center;margin-bottom:var(--spacing-lg)}.error-hint{font-size:var(--font-size-sm);color:var(--color-text-muted)}.toast-container{position:fixed;bottom:var(--spacing-xl);right:var(--spacing-xl);display:flex;flex-direction:column;gap:var(--spacing-sm);z-index:9999}.toast{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);background:var(--color-bg);border-radius:var(--radius-md);box-shadow:0 4px 16px #00000026;cursor:pointer;animation:toast-slide-in .3s ease;max-width:360px}@keyframes toast-slide-in{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.toast:hover{box-shadow:0 4px 20px #0003}.toast-icon{font-size:16px;font-weight:700;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%}.toast-success .toast-icon{background:#dcfce7;color:#16a34a}.toast-error .toast-icon{background:#fee2e2;color:#dc2626}.toast-warning .toast-icon{background:#fef3c7;color:#d97706}.toast-info .toast-icon{background:#dbeafe;color:#2563eb}.toast-message{font-size:var(--font-size-sm);color:var(--color-text-primary)}@media(max-width:1200px){.sidebar{width:300px}}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:var(--spacing-md);color:var(--color-text-muted)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn-cloud-save{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);border:2px solid var(--color-success);background:var(--color-success-light);color:var(--color-success);cursor:pointer;transition:all var(--transition-fast)}.btn-cloud-save:hover:not(:disabled){background:var(--color-success);color:#fff}.btn-cloud-save.has-changes{border-color:var(--color-warning);background:var(--color-warning-light);color:#b8860b;animation:pulse-save 2s ease-in-out infinite}.btn-cloud-save.has-changes:hover:not(:disabled){background:var(--color-warning);color:#fff;animation:none}.btn-cloud-save:disabled{opacity:.6;cursor:not-allowed}@keyframes pulse-save{0%,to{box-shadow:0 0 #f39c1266}50%{box-shadow:0 0 0 6px #f39c1200}}.save-modal-overlay{background:#000000b3}.save-modal{text-align:center;min-width:350px;max-width:400px}.save-modal 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var(--color-border)}.user-name{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:var(--font-weight-medium)}.btn-logout{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:none;background:transparent;color:var(--color-text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.btn-logout:hover{background:var(--color-danger-light);color:var(--color-danger)}