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(width<=767px){.modal-overlay{align-items:flex-end;padding:0}.modal{border-radius:var(--radius-lg) var(--radius-lg) 0 0;border-bottom:none;border-left:none;border-right:none;max-width:100%;max-height:85vh}.modal-body{padding:var(--space-5) var(--space-4)}.modal-header{padding:var(--space-4) var(--space-4);position:relative}.modal-header:before{content:"";top:var(--space-2);background:var(--border-primary);border-radius:var(--radius-full);width:36px;height:4px;position:absolute;left:50%;transform:translate(-50%)}.modal-footer{padding:var(--space-4) var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom,0px))}}.drawer-overlay{background:var(--bg-overlay);z-index:var(--z-modal);opacity:0;visibility:hidden;transition:opacity var(--duration-base) var(--ease-out), visibility var(--duration-base);position:fixed;inset:0}.drawer-overlay.open{opacity:1;visibility:visible}.drawer{background:var(--bg-card);border-left:1px solid var(--border-primary);width:420px;max-width:90vw;box-shadow:var(--shadow-xl);z-index:var(--z-modal);transition:transform var(--duration-slow) var(--ease-out);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;right:0;transform:translate(100%)}.drawer-overlay.open .drawer{transform:translate(0)}.drawer-header{padding:var(--space-5) var(--space-6);border-bottom:1px solid var(--border-secondary);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.drawer-body{padding:var(--space-6);flex:1;overflow-y:auto}.drawer-footer{padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-secondary);justify-content:flex-end;align-items:center;gap:var(--space-3);flex-shrink:0;display:flex}.tabs{align-items:center;gap:var(--space-1);border-bottom:1px solid var(--border-secondary);scrollbar-width:none;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}.tab{padding:var(--space-3) var(--space-4);font-size:var(--text-sm);color:var(--text-secondary);white-space:nowrap;transition:all var(--duration-base) var(--ease-out);cursor:pointer;border-bottom:2px solid #0000;font-weight:500;position:relative}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--primary-light);border-bottom-color:var(--primary)}.tabs-pills{align-items:center;gap:var(--space-1);padding:var(--space-1);background:var(--bg-tertiary);border-radius:var(--radius-lg);border:none;display:flex}.tabs-pills .tab{border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);border-bottom:none}.tabs-pills .tab.active{background:var(--bg-card);color:var(--text-primary);box-shadow:var(--shadow-sm)}.toast-container{top:var(--space-4);right:var(--space-4);z-index:var(--z-toast);gap:var(--space-2);pointer-events:none;flex-direction:column;max-width:400px;display:flex;position:fixed}@media (width<=767px){.toast-container{left:var(--space-4);right:var(--space-4);max-width:none}}.toast{align-items:flex-start;gap:var(--space-3);padding:var(--space-4);background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);pointer-events:auto;animation:toast-slide-in var(--duration-slow) var(--ease-spring);display:flex}.toast-success{border-left:3px solid var(--success)}.toast-warning{border-left:3px solid var(--warning)}.toast-danger{border-left:3px solid var(--danger)}.toast-info{border-left:3px solid var(--info)}.toast-icon{flex-shrink:0;width:20px;height:20px}.toast-content{flex:1;min-width:0}.toast-title{font-size:var(--text-sm);color:var(--text-primary);margin-bottom:2px;font-weight:600}.toast-message{font-size:var(--text-xs);color:var(--text-secondary)}.toast-close{border-radius:var(--radius-sm);width:20px;height:20px;color:var(--text-tertiary);cursor:pointer;transition:all var(--duration-fast) var(--ease-out);flex-shrink:0;justify-content:center;align-items:center;display:flex}.toast-close:hover{background:var(--bg-card-hover);color:var(--text-primary)}@keyframes toast-slide-in{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.empty-state{justify-content:center;align-items:center;gap:var(--space-4);padding:var(--space-16) var(--space-8);text-align:center;flex-direction:column;display:flex}.empty-state-icon{border-radius:var(--radius-xl);background:var(--bg-tertiary);width:64px;height:64px;color:var(--text-tertiary);justify-content:center;align-items:center;display:flex}.empty-state-title{font-size:var(--text-lg);color:var(--text-primary);font-weight:600}.empty-state-description{font-size:var(--text-sm);color:var(--text-secondary);max-width:360px}.breadcrumbs{align-items:center;gap:var(--space-1);font-size:var(--text-sm);color:var(--text-tertiary);margin-bottom:var(--space-4);white-space:nowrap;display:flex;overflow-x:auto}.breadcrumb-item{color:var(--text-tertiary);transition:color var(--duration-fast) var(--ease-out)}.breadcrumb-item:hover{color:var(--text-secondary)}.breadcrumb-item.current{color:var(--text-primary);pointer-events:none;font-weight:500}.breadcrumb-separator{color:var(--text-tertiary);opacity:.5}#modal-root{display:contents}.schedule-view{height:calc(100dvh - var(--space-6) * 2);flex-direction:column;width:100%;min-width:0;max-width:100%;min-height:500px;display:flex;overflow-x:hidden}.schedule-sync-hint{padding:var(--space-2) var(--space-4);color:var(--text-secondary);background:var(--bg-tertiary);border:1px solid var(--border-secondary);font-size:var(--text-sm);flex:none}.schedule-sync-hint[hidden]{display:none}.schedule-sync-hint a{color:var(--primary-dark);font-weight:700}@media (width<=1023px){.schedule-view{height:calc(100dvh - var(--header-height) - var(--space-4) * 2)}}@media (width<=767px){.schedule-view{height:calc(100dvh - var(--header-height) - var(--bottom-nav-height) - var(--space-4) * 2)}}.schedule-controls{align-items:center;gap:var(--space-3);flex-wrap:wrap;min-width:0;display:flex}@media (width<=767px){.schedule-view .page-header{align-items:stretch;gap:var(--space-3);padding:var(--space-4);min-width:0;width:calc(100vw - var(--space-4) * 2);max-width:calc(100vw - var(--space-4) * 2);flex-direction:column;align-self:flex-start}.schedule-controls{gap:var(--space-2);flex-direction:column;align-items:stretch;width:100%;min-width:0;display:flex}.schedule-controls>*{min-width:0}.schedule-controls .view-switcher,.schedule-controls .date-nav{grid-column:1/-1;min-width:0}.schedule-controls .date-nav{justify-content:initial;gap:var(--space-1);grid-template-columns:40px minmax(0,1fr) 40px;width:100%;min-width:0;display:grid}.schedule-controls .date-display{min-width:0;padding-inline:var(--space-2);text-overflow:ellipsis;justify-content:center;overflow:hidden}.schedule-controls #today-btn{display:none}.schedule-controls #add-lesson-btn{width:100%;min-width:0;padding-inline:var(--space-2)}.schedule-controls #schedule-rules-btn,.schedule-controls #export-summer-btn{grid-column:auto}.schedule-controls .schedule-secondary-action{width:100%;min-width:0;height:40px;padding-inline:var(--space-2)}}.view-switcher{background:var(--bg-tertiary);border:1px solid var(--border-secondary);border-radius:var(--radius-sm);gap:2px;padding:3px;display:flex}.view-btn{padding:var(--space-1) var(--space-3);font-size:var(--text-sm);color:var(--text-secondary);border-radius:var(--radius-xs);transition:all var(--duration-base) var(--ease-out);cursor:pointer;white-space:nowrap;background:0 0;border:none;font-weight:500}.view-btn:hover{color:var(--text-primary)}.view-btn.active{background:var(--bg-card);color:var(--primary-dark);box-shadow:var(--shadow-xs);font-weight:700}.date-nav{align-items:center;gap:var(--space-1);display:flex}.date-display{font-size:var(--text-sm);color:var(--text-primary);padding:var(--space-1) var(--space-3);white-space:nowrap;font-weight:700}.calendar-container{background:var(--bg-card);border:1px solid color-mix(in srgb, var(--border-secondary) 82%, transparent);border-radius:var(--radius-lg);min-width:0;max-width:100%;min-height:0;box-shadow:var(--shadow-xs);flex:1;overflow:auto}@media (width<=767px){.calendar-container{width:calc(100vw - var(--space-4) * 2);max-width:calc(100vw - var(--space-4) * 2);align-self:flex-start}}.time-grid{min-height:100%;display:grid}.day-view .time-grid{grid-template-columns:64px 1fr}.week-view .time-grid{grid-template-columns:64px repeat(7,1fr);min-width:940px}@media (width<=767px){.day-view .time-grid{grid-template-columns:48px 1fr}.week-view .time-grid{grid-template-columns:48px repeat(7,1fr);min-width:760px}}.time-gutter{border-right:1px solid color-mix(in srgb, var(--border-secondary) 72%, transparent);background:var(--calendar-gutter-bg);z-index:6;padding-top:48px;position:sticky;left:0}.time-label{height:60px;padding-right:var(--space-2);font-size:var(--text-xs);color:var(--text-tertiary);font-variant-numeric:tabular-nums;-webkit-user-select:none;user-select:none;justify-content:flex-end;align-items:flex-start;display:flex;transform:translateY(10px)}@media (width<=767px){.time-label{padding-right:var(--space-1);font-size:10px}}.day-column{border-right:1px solid color-mix(in srgb, var(--border-secondary) 70%, transparent);flex-direction:column;min-width:0;display:flex}.day-column:last-child{border-right:none}.day-column-header{padding:var(--space-2) var(--space-1);border-bottom:1px solid color-mix(in srgb, var(--border-secondary) 76%, transparent);font-size:var(--text-sm);color:var(--text-secondary);-webkit-user-select:none;user-select:none;background:var(--bg-secondary);z-index:4;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:2px;min-height:48px;font-weight:700;display:flex;position:sticky;top:0}.day-column-header.today{color:var(--primary-dark);background:color-mix(in srgb, var(--selection) 6%, var(--bg-secondary))}.day-column:nth-child(7),.day-column:nth-child(8){background:var(--calendar-weekend-bg)}.day-column-header .day-name{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:0;color:inherit;font-weight:600}.day-column-header .day-number{width:30px;height:30px;font-size:var(--text-md);border-radius:var(--radius-full);color:var(--text-primary);justify-content:center;align-items:center;font-weight:800;display:flex}.day-column-header.today .day-number{background:var(--selection);color:#fff}.day-column-body{cursor:pointer;flex:1;min-height:840px;position:relative}.day-column-body.drag-target{background:color-mix(in srgb, var(--selection) 8%, transparent);outline:1px dashed color-mix(in srgb, var(--selection) 55%, transparent);outline-offset:-1px}.time-grid-line{background:var(--calendar-grid-line);pointer-events:none;z-index:0;height:1px;position:absolute;left:0;right:0}.time-grid-line:after{content:"";background:var(--calendar-grid-half-line);opacity:1;height:1px;position:absolute;top:30px;left:0;right:0}.lesson-block{border-radius:var(--radius-sm);cursor:pointer;z-index:1;min-height:22px;transition:background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), z-index 0s;background:color-mix(in srgb, var(--lesson-color,var(--primary)) 13%, var(--bg-secondary));border:1px solid color-mix(in srgb, var(--lesson-color,var(--primary)) 28%, transparent);border-left:4px solid var(--lesson-color,var(--primary));color:color-mix(in srgb, var(--lesson-color,var(--primary)) 72%, var(--text-primary));touch-action:none;-webkit-user-select:none;user-select:none;flex-direction:column;display:flex;position:absolute;left:4px;right:4px;overflow:hidden}.lesson-block:hover{z-index:10;background:color-mix(in srgb, var(--lesson-color,var(--primary)) 18%, var(--bg-secondary));transform:translateY(-1px);box-shadow:0 8px 18px #20252c1f}.lesson-block:active{transform:scale(.99)}.lesson-drag-source{opacity:.35;filter:saturate(.6)}.lesson-drag-ghost{pointer-events:none;z-index:9999;opacity:.96;margin:0;position:fixed;top:0;left:0;right:auto;box-shadow:0 16px 32px #20252c2e;transform:none!important}.lesson-block-content{padding:var(--space-1) var(--space-2);flex-direction:column;gap:1px;min-width:0;display:flex}.lesson-block-time{opacity:.9;white-space:nowrap;font-size:10px;font-weight:800;line-height:1.3}.lesson-block-name{white-space:nowrap;text-overflow:ellipsis;font-size:11px;font-weight:800;line-height:1.3;overflow:hidden}.lesson-block-teacher{opacity:.75;white-space:nowrap;font-size:10px;line-height:1.2}.lesson-block-room{opacity:.82;white-space:nowrap;font-size:10px;line-height:1.2}.week-view .lesson-block-content{padding:2px var(--space-1)}.week-view .lesson-block-teacher{display:none}.week-view .lesson-block-room{opacity:.72;text-overflow:ellipsis;font-size:9px;display:block;overflow:hidden}.conflict-suggestions{gap:var(--space-2);flex-direction:column;display:flex}.conflict-suggestion-buttons{gap:var(--space-2);flex-wrap:wrap;display:flex}.weekday-checkboxes{grid-template-columns:repeat(auto-fit,minmax(92px,1fr));display:grid}.schedule-rules-list{gap:var(--space-2);margin-top:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--border-secondary);flex-direction:column;display:flex}.schedule-rule-item{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3);border:1px solid var(--border-secondary);border-radius:var(--radius-md);background:var(--bg-secondary);display:flex}.schedule-rule-item>div{flex-direction:column;gap:2px;min-width:0;display:flex}.schedule-rule-item strong{color:var(--text-primary);font-size:var(--text-sm)}.schedule-rule-item span,.schedule-rule-item small{color:var(--text-secondary);font-size:var(--text-xs)}@media (width<=767px){.lesson-block-teacher,.lesson-block-room{display:none}.lesson-block-time{font-size:9px}.lesson-block-name{font-size:10px}}.month-view{padding:var(--space-2)}.month-grid{flex-direction:column;min-height:100%;display:flex}.month-header-row{border-bottom:1px solid color-mix(in srgb, var(--border-secondary) 76%, transparent);grid-template-columns:repeat(7,1fr);display:grid}.month-header-cell{padding:var(--space-2);text-align:center;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:var(--tracking-wider);color:var(--text-tertiary);font-weight:600}.month-body-grid{grid-template-columns:repeat(7,1fr);grid-auto-rows:minmax(90px,1fr);display:grid}.month-cell{border-right:1px solid color-mix(in srgb, var(--border-secondary) 70%, transparent);border-bottom:1px solid color-mix(in srgb, var(--border-secondary) 70%, transparent);padding:var(--space-2);transition:background var(--duration-fast) 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0;border-left:none}.input-group .btn{border-radius:0}.input-group .btn:last-child{border-radius:0 var(--radius-md) var(--radius-md) 0}.form-color-input{align-items:center;gap:var(--space-2);display:flex}.form-color-input input[type=color]{border:2px solid var(--border-primary);border-radius:var(--radius-md);background:var(--bg-input);cursor:pointer;width:36px;height:36px;padding:2px}.form-color-input input[type=color]::-webkit-color-swatch-wrapper{padding:0}.form-color-input input[type=color]::-webkit-color-swatch{border-radius:var(--radius-xs);border:none}.form-grid{gap:var(--space-4);flex-direction:column;display:flex}.form-group-full{gap:var(--space-2);flex-direction:column;display:flex}@media (width>=768px){.form-grid{gap:var(--space-4) var(--space-5);grid-template-columns:1fr 1fr;display:grid}.form-group-full{grid-column:span 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var(--border-primary);border-radius:var(--radius-xs);background:var(--bg-input);cursor:pointer;width:16px;height:16px;transition:all var(--duration-fast) var(--ease-out);flex-shrink:0;position:relative}.checkbox-label input[type=checkbox]:checked{background:var(--primary);border-color:var(--primary)}.checkbox-label input[type=checkbox]:checked:after{content:"";border:2px solid #fff;border-top:none;border-left:none;width:5px;height:9px;position:absolute;top:0;left:3px;transform:rotate(45deg)}.checkbox-custom{display:none}.btn-outline{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-primary)}.btn-outline:hover{background:var(--bg-tertiary);border-color:color-mix(in srgb, var(--primary) 35%, var(--border-primary))}.card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);transition:border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);overflow:hidden;container:card/inline-size}.card:hover{border-color:var(--border-primary);box-shadow:var(--shadow-sm)}.card-interactive{cursor:pointer}.card-interactive:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.card-interactive:active{transform:scale(.99)}.card-glass{background:var(--bg-card);-webkit-backdrop-filter:none;border-color:var(--border-secondary)}.card-glass:hover{background:var(--bg-card)}.card-flat{background:var(--bg-secondary);border:none}.card-flat:hover{background:var(--bg-tertiary);box-shadow:none}.card-header{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border-secondary);display:flex}.card-header-title{font-size:var(--text-md);color:var(--text-primary);font-weight:600}.card-header-subtitle{font-size:var(--text-xs);color:var(--text-tertiary);margin-top:2px}.card-header-actions{align-items:center;gap:var(--space-1);display:flex}.card-body{padding:var(--space-5)}.card-body-compact{padding:var(--space-4)}.card-footer{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-5);border-top:1px solid var(--border-secondary);display:flex}.stat-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);padding:var(--space-4);align-items:center;gap:var(--space-3);transition:border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);grid-template-columns:40px minmax(0,1fr);display:grid;position:relative;overflow:hidden}.stat-card:before{content:"";background:var(--stat-color,var(--primary));opacity:.88;width:3px;position:absolute;top:0;bottom:0;left:0}.stat-card:hover{border-color:var(--border-primary);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.stat-card-header{justify-content:space-between;align-items:center;gap:var(--space-2);display:flex}.stat-card-icon{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.stat-card-icon.primary{background:color-mix(in srgb, var(--primary) 12%, transparent);color:var(--primary-dark)}.stat-card-icon.accent{background:color-mix(in srgb, var(--accent) 12%, transparent);color:var(--accent)}.stat-card-icon.success{background:var(--success-bg);color:var(--success)}.stat-card-icon.warning{background:var(--warning-bg);color:var(--warning)}.stat-card-icon.danger{background:var(--danger-bg);color:var(--danger)}.stat-card-label{font-size:var(--text-xs);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:var(--tracking-wider);font-weight:500}.stat-card-value{font-size:var(--text-2xl);color:var(--text-primary);letter-spacing:var(--tracking-tight);font-variant-numeric:tabular-nums;font-weight:800;line-height:1}.stat-card-trend{align-items:center;gap:var(--space-1);font-size:var(--text-xs);padding:2px 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var(--ease-out);cursor:pointer;overflow:hidden;container:student-card/inline-size}.student-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-md)}.student-card-body{padding:var(--space-5);gap:var(--space-3);flex-direction:column;display:flex}.student-card-top{align-items:center;gap:var(--space-3);display:flex}.student-card-avatar{border-radius:var(--radius-full);background:var(--gradient-brand);color:#fff;width:48px;height:48px;font-weight:700;font-size:var(--text-md);flex-shrink:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.student-card-avatar img{object-fit:cover;width:100%;height:100%}.student-card-info{flex:1;min-width:0}.student-card-name{font-size:var(--text-md);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.student-card-instrument{font-size:var(--text-xs);color:var(--text-secondary);align-items:center;gap:var(--space-1);display:flex}.student-card-status{flex-shrink:0}.student-card-meta{gap:var(--space-2);grid-template-columns:repeat(3,1fr);display:grid}.student-card-meta-item{padding:var(--space-2);background:var(--bg-secondary);border-radius:var(--radius-md);flex-direction:column;align-items:center;gap:2px;display:flex}.student-card-meta-value{font-size:var(--text-md);color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:700}.student-card-meta-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:var(--tracking-wider);font-size:10px}.student-card-footer{padding:var(--space-3) var(--space-5);border-top:1px solid var(--border-secondary);background:var(--bg-secondary);justify-content:space-between;align-items:center;display:flex}.student-card-next-lesson{font-size:var(--text-xs);color:var(--text-secondary)}.student-card-next-lesson strong{color:var(--text-primary)}@container student-card (width<=260px){.student-card-meta{gap:var(--space-1);grid-template-columns:1fr}.student-card-meta-item{padding:var(--space-1) var(--space-2);flex-direction:row;justify-content:space-between}}.teacher-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-xl);transition:all var(--duration-base) var(--ease-out);cursor:pointer;overflow:hidden}.teacher-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-md)}.teacher-card-banner{background:var(--gradient-brand);height:80px;position:relative}.teacher-card-avatar-wrap{bottom:-24px;left:var(--space-5);position:absolute}.teacher-card-avatar{border-radius:var(--radius-full);border:3px solid var(--bg-card);background:var(--gradient-brand);color:#fff;width:56px;height:56px;font-weight:700;font-size:var(--text-lg);justify-content:center;align-items:center;display:flex;overflow:hidden}.teacher-card-avatar img{object-fit:cover;width:100%;height:100%}.teacher-card-body{padding:calc(var(--space-6) + 8px) var(--space-5) var(--space-5);gap:var(--space-3);flex-direction:column;display:flex}.teacher-card-name{font-size:var(--text-lg);color:var(--text-primary);font-weight:600}.teacher-card-specialty{font-size:var(--text-sm);color:var(--text-secondary)}.teacher-card-tags{gap:var(--space-1);flex-wrap:wrap;display:flex}.teacher-card-tag{padding:2px var(--space-2);border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-secondary);font-size:11px;font-weight:500}.teacher-card-stats{align-items:center;gap:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--border-secondary);display:flex}.teacher-card-stat{flex-direction:column;gap:2px;display:flex}.teacher-card-stat-value{font-size:var(--text-md);color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:700}.teacher-card-stat-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:var(--tracking-wider);font-size:10px}.teacher-card-availability{align-items:center;gap:var(--space-1);font-size:var(--text-xs);color:var(--text-secondary);display:flex}.teacher-card-availability:before{content:"";border-radius:var(--radius-full);width:8px;height:8px}.teacher-card-availability.available:before{background:var(--success);box-shadow:0 0 6px var(--success)}.teacher-card-availability.busy:before{background:var(--warning)}.teacher-card-availability.offline:before{background:var(--text-tertiary)}.lesson-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);transition:all var(--duration-base) var(--ease-out);cursor:pointer;align-items:stretch;display:flex;overflow:hidden}.lesson-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-sm)}.lesson-card-accent{flex-shrink:0;width:4px}.lesson-card-accent.piano{background:var(--primary)}.lesson-card-accent.guitar{background:var(--accent)}.lesson-card-accent.vocals{background:var(--success)}.lesson-card-accent.drums{background:var(--warning)}.lesson-card-accent.theory{background:var(--danger)}.lesson-card-accent.default{background:var(--info)}.lesson-card-body{padding:var(--space-3) var(--space-4);align-items:center;gap:var(--space-3);flex:1;min-width:0;display:flex}.lesson-card-time{flex-direction:column;flex-shrink:0;align-items:center;gap:2px;min-width:60px;display:flex}.lesson-card-time-start{font-size:var(--text-sm);color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:600}.lesson-card-time-end{font-size:var(--text-xs);color:var(--text-tertiary);font-variant-numeric:tabular-nums}.lesson-card-divider{background:var(--border-secondary);flex-shrink:0;width:1px;height:32px}.lesson-card-content{flex:1;min-width:0}.lesson-card-title{font-size:var(--text-sm);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.lesson-card-detail{font-size:var(--text-xs);color:var(--text-secondary);align-items:center;gap:var(--space-1);margin-top:2px;display:flex}.lesson-card-actions{align-items:center;gap:var(--space-1);padding-right:var(--space-3);display:flex}.lesson-card.completed{opacity:.7}.lesson-card.cancelled{opacity:.5;text-decoration:line-through}.lesson-card.in-progress{border-color:var(--primary);box-shadow:0 0 0 1px color-mix(in srgb, var(--primary) 12%, transparent)}.lesson-card.in-progress:before{content:"";width:4px;animation:2s ease-in-out infinite pulse-bar;position:absolute;top:0;bottom:0;left:0}@keyframes pulse-bar{0%,to{opacity:1}50%{opacity:.5}}.profile-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-xl);text-align:center;overflow:hidden}.profile-card-cover{background:var(--gradient-brand);height:100px;position:relative}.profile-card-avatar-wrapper{position:absolute;bottom:-32px;left:50%;transform:translate(-50%)}.profile-card-avatar{border-radius:var(--radius-full);border:4px solid var(--bg-card);background:var(--gradient-brand);color:#fff;width:72px;height:72px;font-weight:700;font-size:var(--text-2xl);justify-content:center;align-items:center;display:flex;overflow:hidden}.profile-card-avatar img{object-fit:cover;width:100%;height:100%}.profile-card-body{padding:calc(var(--space-8) + 8px) var(--space-5) var(--space-5);align-items:center;gap:var(--space-2);flex-direction:column;display:flex}.profile-card-name{font-size:var(--text-xl);color:var(--text-primary);font-weight:700}.profile-card-role{font-size:var(--text-sm);color:var(--text-secondary)}.profile-card-bio{font-size:var(--text-sm);color:var(--text-tertiary);line-height:var(--leading-relaxed);max-width:280px}.profile-card-stats{justify-content:center;align-items:center;gap:var(--space-6);padding:var(--space-4) var(--space-5);border-top:1px solid var(--border-secondary);margin-top:var(--space-3);display:flex}.profile-card-stat{flex-direction:column;align-items:center;gap:2px;display:flex}.profile-card-stat-value{font-size:var(--text-lg);color:var(--text-primary);font-weight:700}.profile-card-stat-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:var(--tracking-wider);font-size:10px}.pricing-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-xl);padding:var(--space-6);gap:var(--space-4);transition:all var(--duration-base) var(--ease-out);flex-direction:column;display:flex;position:relative}.pricing-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-lg)}.pricing-card.featured{border-color:var(--primary);box-shadow:var(--shadow-glow)}.pricing-card.featured:before{content:"";background:var(--gradient-brand);border-radius:var(--radius-xl) var(--radius-xl) 0 0;height:3px;position:absolute;top:0;left:0;right:0}.pricing-card-popular{top:var(--space-3);right:var(--space-3);padding:2px var(--space-3);color:#fff;background:var(--gradient-brand);border-radius:var(--radius-full);font-size:11px;font-weight:600;position:absolute}.pricing-card-name{font-size:var(--text-lg);color:var(--text-primary);font-weight:600}.pricing-card-description{font-size:var(--text-sm);color:var(--text-secondary)}.pricing-card-price{align-items:baseline;gap:var(--space-1);display:flex}.pricing-card-amount{font-size:var(--text-4xl);color:var(--text-primary);letter-spacing:var(--tracking-tight);font-weight:700}.pricing-card-period{font-size:var(--text-sm);color:var(--text-tertiary)}.pricing-card-features{gap:var(--space-2);flex-direction:column;flex:1;display:flex}.pricing-card-feature{align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--text-secondary);display:flex}.pricing-card-feature-icon{border-radius:var(--radius-full);background:var(--success-bg);width:18px;height:18px;color:var(--success);flex-shrink:0;justify-content:center;align-items:center;font-size:11px;display:flex}.pricing-card-feature.disabled{opacity:.4}.pricing-card-feature.disabled .pricing-card-feature-icon{background:var(--bg-tertiary);color:var(--text-tertiary)}.activity-card{gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);transition:background var(--duration-fast) var(--ease-out);cursor:pointer;display:flex}.activity-card:hover{background:var(--bg-card-hover)}.activity-card.unread{background:color-mix(in srgb, var(--primary) 5%, transparent)}.activity-card-icon{border-radius:var(--radius-full);width:36px;height:36px;font-size:var(--text-sm);flex-shrink:0;justify-content:center;align-items:center;display:flex}.activity-card-icon.lesson{background:color-mix(in srgb, var(--primary) 13%, transparent);color:var(--primary-light)}.activity-card-icon.payment{background:var(--success-bg);color:var(--success)}.activity-card-icon.cancel{background:var(--danger-bg);color:var(--danger)}.activity-card-icon.reminder{background:var(--warning-bg);color:var(--warning)}.activity-card-icon.message{background:color-mix(in srgb, var(--accent) 13%, transparent);color:var(--accent-light)}.activity-card-content{flex:1;min-width:0}.activity-card-text{font-size:var(--text-sm);color:var(--text-primary);line-height:var(--leading-normal)}.activity-card-text strong{font-weight:600}.activity-card-time{font-size:var(--text-xs);color:var(--text-tertiary);margin-top:2px}.activity-card-dot{border-radius:var(--radius-full);background:var(--primary);width:8px;height:8px;margin-top:var(--space-2);flex-shrink:0}.table-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-xl);overflow:hidden}.table-card .card-header{padding:var(--space-4) var(--space-5)}.table-card table{width:100%}.table-card th{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:var(--tracking-wider);color:var(--text-tertiary);padding:var(--space-3) var(--space-4);text-align:left;border-bottom:1px solid var(--border-secondary);background:var(--bg-secondary);white-space:nowrap;font-weight:600}.table-card td{font-size:var(--text-sm);color:var(--text-primary);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-secondary);vertical-align:middle}.table-card tr:last-child td{border-bottom:none}.table-card tr:hover td{background:var(--bg-card-hover)}.table-card-pagination{padding:var(--space-3) var(--space-5);border-top:1px solid var(--border-secondary);font-size:var(--text-xs);color:var(--text-tertiary);justify-content:space-between;align-items:center;display:flex}.card-skeleton{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-xl);padding:var(--space-5);overflow:hidden}.skeleton-line{border-radius:var(--radius-sm);background:var(--bg-tertiary);height:12px;position:relative;overflow:hidden}.skeleton-line:after{content:"";background:var(--gradient-shimmer);background-size:200% 100%;animation:1.5s ease-in-out infinite skeleton-shimmer;position:absolute;inset:0}.skeleton-line.w-full{width:100%}.skeleton-line.w-3\/4{width:75%}.skeleton-line.w-1\/2{width:50%}.skeleton-line.w-1\/3{width:33%}.skeleton-line.w-1\/4{width:25%}.skeleton-line.h-4{height:16px}.skeleton-line.h-6{height:24px}.skeleton-line.h-8{height:32px}.skeleton-circle{border-radius:var(--radius-full);background:var(--bg-tertiary);position:relative;overflow:hidden}.skeleton-circle:after{content:"";background:var(--gradient-shimmer);background-size:200% 100%;animation:1.5s ease-in-out infinite skeleton-shimmer;position:absolute;inset:0}.skeleton-circle.sm{width:32px;height:32px}.skeleton-circle.md{width:40px;height:40px}.skeleton-circle.lg{width:48px;height:48px}.skeleton-circle.xl{width:64px;height:64px}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.card-list{border:1px solid var(--border-secondary);border-radius:var(--radius-xl);background:var(--bg-card);flex-direction:column;display:flex;overflow:hidden}.card-list-item{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-secondary);transition:background var(--duration-fast) var(--ease-out);cursor:pointer;display:flex}.card-list-item:last-child{border-bottom:none}.card-list-item:hover{background:var(--bg-card-hover)}.card-list-item-content{flex:1;min-width:0}.card-list-item-title{font-size:var(--text-sm);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}.card-list-item-subtitle{font-size:var(--text-xs);color:var(--text-tertiary)}.card-list-item-action{color:var(--text-tertiary);flex-shrink:0}.card-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));display:grid}@media (width<=767px){.card-grid{gap:var(--space-3);grid-template-columns:1fr}}.card 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