@charset "UTF-8";
:root {
  --color-primary: #007bff;
  --color-secondary: #6c757d;
  --color-success: #28a745;
  --color-danger: #dc3545;
  --color-warning: #ffc107;
  --color-info: #17a2b8;
  --color-light: #f8f9fa;
  --color-dark: #343a40;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-purple-start: #667eea;
  --color-purple-end: #764ba2;
  --color-orange: #fd7e14;
  --color-purple: #9b59b6;
  --color-gray: #6c757d;
  --color-border-light: #dee2e6;
  --color-bg-soft: #f8f9fa;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-muted: #6c757d;
  --text-dark: #343a40;
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-soft: #f8f9fa;
  --border-color: #dddddd;
  --border-light: #dee2e6;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --mobile: 576px;
  --tablet: 768px;
  --desktop: 992px;
  --wide: 1200px;
  --container-width: 1200px;
  --container-padding: 16px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 80px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: var(--space-sm);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--space-sm);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(var(--space-sm) * -1);
}

.col {
  flex: 1 0 0%;
  padding: 0 var(--space-sm);
}

.btn {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: #0056b3;
  border-color: #0056b3;
}

.btn-secondary {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: white;
}

.btn-secondary:hover {
  background: #545b62;
  border-color: #545b62;
}

.btn-success {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.btn-success:hover {
  background: #218838;
  border-color: #218838;
}

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn-lg {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-large);
}

.btn-sm {
  padding: 4px var(--space-xs);
  font-size: var(--font-size-small);
}

.btn-block {
  display: block;
  width: 100%;
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0px;
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--text-primary);
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-control:disabled {
  background: var(--bg-secondary);
  cursor: not-allowed;
}

.card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-header {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
}

.card-body {
  padding: var(--space-md);
}

.card-footer {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0;
  padding: 0;
}

.nav-link {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--text-secondary);
}

.nav-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 500;
}

.nav-tabs-custom {
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border-light);
}

.nav-tabs-custom .nav-link {
  border: none;
  color: var(--text-muted);
  font-weight: 500;
  padding: 10px 20px;
}

.nav-tabs-custom .nav-link.active {
  color: var(--color-primary);
  background: none;
  border-bottom: 2px solid var(--color-primary);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  padding: var(--space-xs) 0;
  margin-bottom: var(--space-sm);
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin: 0 var(--space-xs);
  color: var(--text-muted);
}

.breadcrumb li a {
  color: var(--text-secondary);
}

.breadcrumb li a:hover {
  color: var(--color-primary);
}

.breadcrumb li.active {
  color: var(--text-muted);
}

.back-link {
  margin-bottom: 20px;
}

.back-link a {
  color: #447e9b;
  text-decoration: none;
}

.back-link a:hover {
  text-decoration: underline;
}

.pagination {
  display: flex;
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}

.pagination li {
  margin-right: 4px;
}

.pagination li a,
.pagination li span {
  display: block;
  padding: 6px 12px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  color: var(--text-primary);
}

.pagination li a:hover,
.pagination li span:hover {
  background: var(--bg-secondary);
  text-decoration: none;
}

.pagination li.active span {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.pagination li.disabled span {
  color: var(--text-muted);
  cursor: not-allowed;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-dialog {
  max-width: 500px;
  width: 90%;
}

.modal-content {
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

.modal-header {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: var(--space-md);
}

.modal-footer {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-xs);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.tabs {
  margin-bottom: var(--space-md);
}

.tab-list {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  border-bottom: 2px solid var(--border-light);
}

.tab-item {
  margin-right: var(--space-xs);
}

.tab-item button {
  padding: var(--space-xs) var(--space-sm);
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.tab-item button:hover {
  color: var(--color-primary);
}

.tab-item button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-pane {
  display: none;
  padding: var(--space-md) 0;
}

.tab-pane.active {
  display: block;
}

.accordion-item {
  border: 1px solid var(--border-light);
  margin-bottom: var(--space-xs);
  border-radius: 4px;
}

.accordion-header {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  cursor: pointer;
  font-weight: 500;
}

.accordion-header:hover {
  background: #e8e8e8;
}

.accordion-body {
  padding: var(--space-md);
  display: none;
}

.accordion-item.open .accordion-body {
  display: block;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  background: var(--color-secondary);
  color: white;
}

.badge-primary {
  background: var(--color-primary);
}

.badge-success {
  background: var(--color-success);
}

.badge-danger {
  background: var(--color-danger);
}

.badge-warning {
  background: var(--color-warning);
  color: var(--text-primary);
}

.alert {
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
  border: 1px solid transparent;
  border-radius: 4px;
}

.alert-primary {
  background: #cce5ff;
  border-color: var(--color-primary);
  color: #004a99;
}

.alert-success {
  background: #afecbd;
  border-color: var(--color-success);
  color: #1e7e34;
}

.alert-danger {
  background: #f6cdd1;
  border-color: var(--color-danger);
  color: #bd2130;
}

.balance-card {
  background: linear-gradient(135deg, var(--color-purple-start) 0%, var(--color-purple-end) 100%);
  color: white;
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.balance-amount {
  font-size: 48px;
  font-weight: bold;
  line-height: 1.2;
}

.balance-label {
  font-size: 16px;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.teacher-card {
  border: none;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
  height: 100%;
}

.teacher-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.teacher-photo {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.lesson-item {
  border-left: 4px solid var(--color-primary);
  margin-bottom: 10px;
  padding: 15px;
  background: var(--bg-soft);
  border-radius: 0 8px 8px 0;
  transition: background 0.3s;
}

.lesson-item:hover {
  background: #e9ecef;
}

.lesson-item.completed {
  border-left-color: var(--color-success);
}

.lesson-item.overdue {
  border-left-color: var(--color-danger);
}

.meeting-link {
  display: inline-block;
  padding: 5px 15px;
  background: var(--color-success);
  color: white;
  border-radius: 20px;
  text-decoration: none;
  font-size: 14px;
  transition: background 0.3s;
}

.meeting-link:hover {
  background: #218838;
  color: white;
  text-decoration: none;
}

.material-card {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 15px;
  transition: all 0.3s;
}

.material-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.1);
}

.material-icon {
  font-size: 24px;
  margin-right: 15px;
  color: var(--color-primary);
}

.deposit-item {
  display: flex;
  justify-content: space-between;
  padding: 10px;
  border-bottom: 1px solid var(--border-light);
}

.deposit-item:last-child {
  border-bottom: none;
}

.deposit-amount {
  font-weight: bold;
  color: var(--color-success);
}

.section-title {
  position: relative;
  padding-bottom: 10px;
  margin-bottom: 20px;
  font-weight: 600;
  color: var(--text-dark);
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--color-primary);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
  margin-bottom: 30px;
}

.stat-card {
  background: white;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.stat-number {
  font-size: 28px;
  font-weight: bold;
  color: var(--color-primary);
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 5px;
}

.empty-state {
  text-align: center;
  padding: 40px;
  background: var(--bg-soft);
  border-radius: 10px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 15px;
  color: #adb5bd;
}

.fc .fc-scrollgrid,
.fc .fc-scrollgrid table {
  width: 100% !important;
  table-layout: fixed;
}

.fc .fc-scrollgrid-liquid {
  height: 100%;
  width: 100% !important;
}

.calendar-container {
  background: white;
  padding: 20px;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

#calendar {
  max-width: 1100px;
  margin: 20px auto;
  height: 600px;
}

#calendar.full-width {
  max-width: 110%;
  padding: 0 10px;
}

.fc .fc-timegrid-slot {
  height: 20px !important;
}

@media (min-width: 577px) and (max-width: 768px) {
  .fc .fc-timegrid-slot {
    height: 30px !important;
  }
}

.fc .fc-timegrid-slot-label {
  height: 40px !important;
  line-height: 40px !important;
}

.fc .fc-timegrid-slot-minor {
  height: 40px !important;
}

.fc .fc-col-header-cell {
  height: 50px !important;
  line-height: 50px !important;
}

.fc-event {
  cursor: pointer;
}

.fc-event-title {
  font-weight: 500;
}

.legend {
  display: flex !important;
  gap: 20px !important;
  margin-bottom: 20px;
  padding: 10px;
  background: #f8f8f8;
  border-radius: 4px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-color {
  width: 20px;
  height: 20px;
  border-radius: 4px;
}

.legend-color.scheduled {
  background-color: var(--color-primary);
}

.legend-color.completed {
  background-color: var(--color-success);
}

.legend-color.overdue {
  background-color: var(--color-danger);
}

.legend-color.cancelled {
  background-color: var(--color-orange);
}

.legend-color.rescheduled {
  background-color: var(--color-purple);
}

.legend-color.no_show {
  background-color: var(--color-gray);
}

.view-toggle {
  margin-bottom: 20px;
  text-align: left !important;
}

.view-toggle a,
.view-toggle button {
  display: inline-block;
  margin-left: 10px;
  padding: 8px 16px;
  border: 1px solid #79aec8;
  border-radius: 4px;
  background: white;
  color: #333;
  text-decoration: none;
  cursor: pointer;
}

.view-toggle a:hover,
.view-toggle button:hover {
  background: #609ab6;
  color: white;
}

.view-toggle a.active, .view-toggle a.default,
.view-toggle button.active,
.view-toggle button.default {
  background: #79aec8;
  color: white;
}

.object-tools {
  display: none;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border-light);
    padding: 0px !important;
    z-index: 1000;
    height: 60px;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /*height: 60px;*/
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.footer {
  background: #f1faff;
  color: white;
  padding: var(--space-xl) 0;
  margin-top: auto;
}

.home-page .hero {
  padding: var(--space-xl) 0;
  background: var(--bg-secondary);
  text-align: center;
}

.catalog-page .products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}

.cart-page .cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-page .cart-table th,
.cart-page .cart-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--border-light);
  text-align: left;
}

.cart-page .cart-table th {
  background: var(--bg-secondary);
}

.m-0 {
  margin: 0 !important;
}

.mt-0 {
  margin-top: 0 !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.ml-0 {
  margin-left: 0 !important;
}

.mr-0 {
  margin-right: 0 !important;
}

.mx-0 {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.my-0 {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

.p-0 {
  padding: 0 !important;
}

.pt-0 {
  padding-top: 0 !important;
}

.pb-0 {
  padding-bottom: 0 !important;
}

.pl-0 {
  padding-left: 0 !important;
}

.pr-0 {
  padding-right: 0 !important;
}

.px-0 {
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.py-0 {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

.m-xs {
  margin: var(--space-xs) !important;
}

.mt-xs {
  margin-top: var(--space-xs) !important;
}

.mb-xs {
  margin-bottom: var(--space-xs) !important;
}

.ml-xs {
  margin-left: var(--space-xs) !important;
}

.mr-xs {
  margin-right: var(--space-xs) !important;
}

.mx-xs {
  margin-left: var(--space-xs) !important;
  margin-right: var(--space-xs) !important;
}

.my-xs {
  margin-top: var(--space-xs) !important;
  margin-bottom: var(--space-xs) !important;
}

.p-xs {
  padding: var(--space-xs) !important;
}

.pt-xs {
  padding-top: var(--space-xs) !important;
}

.pb-xs {
  padding-bottom: var(--space-xs) !important;
}

.pl-xs {
  padding-left: var(--space-xs) !important;
}

.pr-xs {
  padding-right: var(--space-xs) !important;
}

.px-xs {
  padding-left: var(--space-xs) !important;
  padding-right: var(--space-xs) !important;
}

.py-xs {
  padding-top: var(--space-xs) !important;
  padding-bottom: var(--space-xs) !important;
}

.m-sm {
  margin: var(--space-sm) !important;
}

.mt-sm {
  margin-top: var(--space-sm) !important;
}

.mb-sm {
  margin-bottom: var(--space-sm) !important;
}

.ml-sm {
  margin-left: var(--space-sm) !important;
}

.mr-sm {
  margin-right: var(--space-sm) !important;
}

.mx-sm {
  margin-left: var(--space-sm) !important;
  margin-right: var(--space-sm) !important;
}

.my-sm {
  margin-top: var(--space-sm) !important;
  margin-bottom: var(--space-sm) !important;
}

.p-sm {
  padding: var(--space-sm) !important;
}

.pt-sm {
  padding-top: var(--space-sm) !important;
}

.pb-sm {
  padding-bottom: var(--space-sm) !important;
}

.pl-sm {
  padding-left: var(--space-sm) !important;
}

.pr-sm {
  padding-right: var(--space-sm) !important;
}

.px-sm {
  padding-left: var(--space-sm) !important;
  padding-right: var(--space-sm) !important;
}

.py-sm {
  padding-top: var(--space-sm) !important;
  padding-bottom: var(--space-sm) !important;
}

.m-md {
  margin: var(--space-md) !important;
}

.mt-md {
  margin-top: var(--space-md) !important;
}

.mb-md {
  margin-bottom: var(--space-md) !important;
}

.ml-md {
  margin-left: var(--space-md) !important;
}

.mr-md {
  margin-right: var(--space-md) !important;
}

.mx-md {
  margin-left: var(--space-md) !important;
  margin-right: var(--space-md) !important;
}

.my-md {
  margin-top: var(--space-md) !important;
  margin-bottom: var(--space-md) !important;
}

.p-md {
  padding: var(--space-md) !important;
}

.pt-md {
  padding-top: var(--space-md) !important;
}

.pb-md {
  padding-bottom: var(--space-md) !important;
}

.pl-md {
  padding-left: var(--space-md) !important;
}

.pr-md {
  padding-right: var(--space-md) !important;
}

.px-md {
  padding-left: var(--space-md) !important;
  padding-right: var(--space-md) !important;
}

.py-md {
  padding-top: var(--space-md) !important;
  padding-bottom: var(--space-md) !important;
}

.m-lg {
  margin: var(--space-lg) !important;
}

.mt-lg {
  margin-top: var(--space-lg) !important;
}

.mb-lg {
  margin-bottom: var(--space-lg) !important;
}

.ml-lg {
  margin-left: var(--space-lg) !important;
}

.mr-lg {
  margin-right: var(--space-lg) !important;
}

.mx-lg {
  margin-left: var(--space-lg) !important;
  margin-right: var(--space-lg) !important;
}

.my-lg {
  margin-top: var(--space-lg) !important;
  margin-bottom: var(--space-lg) !important;
}

.p-lg {
  padding: var(--space-lg) !important;
}

.pt-lg {
  padding-top: var(--space-lg) !important;
}

.pb-lg {
  padding-bottom: var(--space-lg) !important;
}

.pl-lg {
  padding-left: var(--space-lg) !important;
}

.pr-lg {
  padding-right: var(--space-lg) !important;
}

.px-lg {
  padding-left: var(--space-lg) !important;
  padding-right: var(--space-lg) !important;
}

.py-lg {
  padding-top: var(--space-lg) !important;
  padding-bottom: var(--space-lg) !important;
}

.m-xl {
  margin: var(--space-xl) !important;
}

.mt-xl {
  margin-top: var(--space-xl) !important;
}

.mb-xl {
  margin-bottom: var(--space-xl) !important;
}

.ml-xl {
  margin-left: var(--space-xl) !important;
}

.mr-xl {
  margin-right: var(--space-xl) !important;
}

.mx-xl {
  margin-left: var(--space-xl) !important;
  margin-right: var(--space-xl) !important;
}

.my-xl {
  margin-top: var(--space-xl) !important;
  margin-bottom: var(--space-xl) !important;
}

.p-xl {
  padding: var(--space-xl) !important;
}

.pt-xl {
  padding-top: var(--space-xl) !important;
}

.pb-xl {
  padding-bottom: var(--space-xl) !important;
}

.pl-xl {
  padding-left: var(--space-xl) !important;
}

.pr-xl {
  padding-right: var(--space-xl) !important;
}

.px-xl {
  padding-left: var(--space-xl) !important;
  padding-right: var(--space-xl) !important;
}

.py-xl {
  padding-top: var(--space-xl) !important;
  padding-bottom: var(--space-xl) !important;
}

.m-auto {
  margin: auto !important;
}

.mt-auto {
  margin-top: auto !important;
}

.mb-auto {
  margin-bottom: auto !important;
}

.ml-auto {
  margin-left: auto !important;
}

.mr-auto {
  margin-right: auto !important;
}

.mx-auto {
  margin-left: auto !important;
  margin-right: auto !important;
}

.my-auto {
  margin-top: auto !important;
  margin-bottom: auto !important;
}

.p-auto {
  padding: auto !important;
}

.pt-auto {
  padding-top: auto !important;
}

.pb-auto {
  padding-bottom: auto !important;
}

.pl-auto {
  padding-left: auto !important;
}

.pr-auto {
  padding-right: auto !important;
}

.px-auto {
  padding-left: auto !important;
  padding-right: auto !important;
}

.py-auto {
  padding-top: auto !important;
  padding-bottom: auto !important;
}

.text-left {
  text-align: left !important;
}

.text-center {
  text-align: center !important;
}

.text-right {
  text-align: right !important;
}

.text-primary {
  color: var(--color-primary) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-white {
  color: white !important;
}

.text-success {
  color: var(--color-success) !important;
}

.text-danger {
  color: var(--color-danger) !important;
}

.bg-primary {
  background: var(--color-primary) !important;
}

.bg-secondary {
  background: var(--bg-secondary) !important;
}

.bg-white {
  background: white !important;
}

.bg-dark {
  background: var(--color-dark) !important;
}

.bg-soft {
  background: var(--bg-soft) !important;
}

.d-none {
  display: none !important;
}

.d-block {
  display: block !important;
}

.d-flex {
  display: flex !important;
}

.d-inline-block {
  display: inline-block !important;
}

.flex-row {
  flex-direction: row !important;
}

.flex-column {
  flex-direction: column !important;
}

.justify-start {
  justify-content: flex-start !important;
}

.justify-center {
  justify-content: center !important;
}

.justify-end {
  justify-content: flex-end !important;
}

.justify-between {
  justify-content: space-between !important;
}

.align-start {
  align-items: flex-start !important;
}

.align-center {
  align-items: center !important;
}

.align-end {
  align-items: flex-end !important;
}

.w-100 {
  width: 100% !important;
}

.w-auto {
  width: auto !important;
}

@media (max-width: 576px) {
  .container {
    padding: 0 var(--space-xs);
  }
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  .d-none-mobile {
    display: none !important;
  }
  .d-block-mobile {
    display: block !important;
  }
  .balance-amount {
    font-size: 36px;
  }
  .quick-stats {
    grid-template-columns: 1fr;
  }
  .legend {
    flex-direction: column;
    gap: 10px;
  }
}

@media (min-width: 577px) and (max-width: 768px) {
  .balance-amount {
    font-size: 42px;
  }
}

/* Уведомления */
.notifications-dropdown {
  width: 350px;
  max-height: 500px;
  overflow: hidden;
  padding: 0;
}

.notifications-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  border-bottom: 1px solid #dee2e6;
  background-color: #f8f9fa;
}

.notifications-header h6 {
  margin: 0;
}

.notifications-list {
  max-height: 400px;
  overflow-y: auto;
}

.notification-item {
  padding: 12px 15px;
  border-bottom: 1px solid #f0f0f0;
  cursor: pointer;
  transition: background-color 0.2s;
}

.notification-item:hover {
  background-color: #f8f9fa;
}

.notification-item.unread {
  background-color: #e8f4fd;
}

.notification-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f9fa;
  margin-right: 12px;
}

.notification-icon i {
  font-size: 20px;
}

.notification-content {
  flex: 1;
}

.notification-title {
  font-weight: bold;
  margin-bottom: 4px;
}

.notification-message {
  font-size: 0.9em;
  color: #666;
  margin-bottom: 4px;
}

.notification-time {
  font-size: 0.8em;
  color: #999;
}

.notifications-footer {
  border-top: 1px solid #dee2e6;
}

   /* Дополнительные стили для дашборда учителя */


    .lesson-item.completed {
        border-left-color: #28a745;
    }

    .lesson-item.paid {
        background: #f0fff0;
        border-left-color: #28a745;
        border-left-width: 4px;
    }

    .lesson-item.pending {
        background: #fff3cd;
        border-left-color: #ffc107;
        border-left-width: 4px;
    }

    .teacher-actions {
        margin-bottom: 20px;
        display: flex;
        gap: 10px;
        justify-content: flex-end;
    }

    .teacher-actions .btn {
        padding: 8px 16px;
        border-radius: 5px;
        font-weight: 500;
    }

    .btn-payment {
        background: #28a745;
        color: white;
        border: none;
    }

    .btn-payment:hover {
        background: #218838;
        color: white;
    }

    .btn-report {
        background: #007bff;
        color: white;
        border: none;
    }

    .btn-report:hover {
        background: #0056b3;
        color: white;
    }

    .wallet-card {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 15px;
        padding: 25px;
        margin-bottom: 30px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .wallet-label {
        font-size: 16px;
        opacity: 0.9;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: white;
    }

    .wallet-amount {
        font-size: 48px;
        font-weight: bold;
        color: white;
        line-height: 1.2;
    }

    /* ===== СТИЛИ ДЛЯ СТАТИСТИКИ ВЫПЛАТ ===== */
.payment-stat {
    background: linear-gradient(135deg, #28a745 0%, #218838 100%);
    color: white;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: transform 0.3s;
}

.payment-stat .stat-number {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 5px;
    line-height: 1.2;
    color: white;
}

.payment-stat .stat-label {
    font-size: 14px;
    opacity: 0.9;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Разные цвета для карточек */
.row .col-md-4:nth-child(1) .payment-stat {
    background: linear-gradient(135deg, #28a745 0%, #218838 100%);
}

.row .col-md-4:nth-child(2) .payment-stat {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

.row .col-md-4:nth-child(3) .payment-stat {
    background: linear-gradient(135deg, #fd7e14 0%, #dc3545 100%);
}

    .wallet-sub {
        font-size: 14px;
        opacity: 0.8;
        color: white;
    }

    .students-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 20px;
    }

    .student-card-small {
        background: white;
        border-radius: 10px;
        padding: 15px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        display: flex;
        align-items: center;
        justify-content: space-between;
        transition: transform 0.3s;
    }

    .student-card-small:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .student-info-small h6 {
        margin-bottom: 5px;
    }

    .student-info-small p {
        margin-bottom: 0;
        font-size: 13px;
    }

    .payment-badge {
        display: inline-block;
        padding: 2px 8px;
        border-radius: 12px;
        font-size: 11px;
        font-weight: bold;
        margin-left: 5px;
    }

    .payment-badge.paid {
        background: #28a745;
        color: white;
    }

    .payment-badge.pending {
        background: #ffc107;
        color: #333;
    }

    .payment-badge.total {
        background: #007bff;
        color: white;
    }