/* Billing Page – Minimalist style consistent with app */

/* ============================================
     LAYOUT - Same as Analytics
     ============================================ */
  
  body.billing-layout {
    background: var(--color-bg-main, #ffffff);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
    transition: scrollbar-color 0.3s ease;
  }
  
  body.billing-layout:hover {
    scrollbar-color: #d1d5db transparent;
  }
  
  body.billing-layout::-webkit-scrollbar {
    width: 8px;
  }
  
  body.billing-layout::-webkit-scrollbar-track {
    background: transparent;
  }
  
  body.billing-layout::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 4px;
    transition: background 0.3s ease;
  }
  
  body.billing-layout:hover::-webkit-scrollbar-thumb {
    background: #d1d5db;
  }
  
  body.billing-layout::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
  }
  
  .billing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  
  /* ============================================
     HEADER - Same as Main Chat
     ============================================ */
  
  .billing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px 6px 20px;
    border-bottom: 1px solid var(--color-border-main);
    background: #fff;
    height: 44px;
    min-height: 32px;
    box-sizing: border-box;
    flex-shrink: 0;
  }
  
  .back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #374151;
    text-decoration: none;
    padding: 4px 8px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--color-border-main);
    transition: background 0.15s ease;
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 500;
  }
  
  .back-link:hover {
    background: #f3f4f6;
  }
  
  .back-link i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }
  
  .header-title {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
  }
  
  .header-spacer {
    width: 88px;
  }
  
  /* ============================================
     CONTENT AREA
     ============================================ */
  
  .billing-content {
    width: 100%;
    max-width: 980px;
    margin: 0 auto 64px auto;
    padding: 12px 16px 0 16px;
  }
  
  /* ============================================
     PANELS - Same as Analytics
     ============================================ */
  
  .panel {
    background: var(--color-bg-main);
    border: none;
    border-radius: 12px;
    padding: 0 14px 12px 14px;
    margin-bottom: 16px;
  }
  
  .panel:first-child {
    padding-top: 0;
  }
  
  /* Remove top margin/padding from first child elements inside panels */
  .panel > *:first-child {
    margin-top: 0;
    padding-top: 0;
  }
  
  .panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #374151;
    font-weight: 600;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--color-border-main);
  }
  
  .panel-title i {
    width: 16px;
    height: 16px;
  }
  
  /* ============================================
     PLAN STATUS CARD (Dynamic Content)
     ============================================ */
  
  /* Isolate billing content from message/markdown styles (no strikethrough, no wrong list style) */
  #planStatusCard ul,
  #planStatusCard ol {
    list-style: none;
    padding-left: 0;
    margin: 0;
  }
  #planStatusCard li {
    text-decoration: none;
  }
  
  .plan-status-container {
    padding-top: 0;
  }
  
  .plan-status-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
  }
  
  .status-line {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 14px;
  }
  
  .status-label {
    color: var(--color-text-muted);
    font-weight: 500;
  }
  
  .status-value {
    color: var(--color-text-heading);
    font-weight: 600;
  }
  
  .status-value.plan-name {
    font-size: 16px;
  }
  
  .status-value.balance {
    font-size: 20px;
    color: var(--color-primary);
  }
  
  .byok-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
  }
  
  .byok-status.enabled {
    color: var(--color-success);
    background: #d1fae5;
  }
  
  .byok-status.disabled {
    color: var(--color-error);
    background: #fee2e2;
  }
  
  .plan-message {
    margin-top: 8px;
    padding: 12px;
    background: #f9fafb;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
    color: #374151;
  }
  
  .plan-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
  }
  
  /* ============================================
     BUTTONS - Consistent with App Style
     ============================================ */
  
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid var(--color-border-main);
    background: white;
    color: #374151;
  }
  
  .btn:hover {
    background: #f3f4f6;
  }
  
  .btn.primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
  }
  
  .btn.primary:hover {
    background: #5a67d8;
    border-color: #5a67d8;
  }
  
  .btn.secondary {
    background: white;
    border-color: var(--color-border-main);
    color: #374151;
  }
  
  .btn.secondary:hover {
    background: #f3f4f6;
  }
  
  .btn.danger {
    background: white;
    border-color: var(--color-error);
    color: var(--color-error);
  }
  
  .btn.danger:hover {
    background: #fee2e2;
  }
  
  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
  }
  
  .btn i {
    width: 16px;
    height: 16px;
  }
  
  /* ============================================
     PAYMENT HISTORY TABLE (Lucid-style card)
     ============================================ */
  
  /* Payment History panel — белая карточка с тенью */
  .panel[aria-labelledby="historyTitle"] {
    background: #ffffff;
    box-shadow: none;
    border: none;
  }
  
  .panel[aria-labelledby="historyTitle"] .panel-title {
    border-bottom: 1px solid var(--color-border-main);
    padding-bottom: 12px;
  }
  
  .history-container {
    margin-top: 10px;
  }
  
  .history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
  }
  
  .history-table thead {
    border-bottom: 1px solid var(--color-border-main);
  }
  
  .history-table th {
    padding: 10px 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  
  .history-table th:nth-child(1),
  .history-table th:nth-child(2),
  .history-table th:nth-child(4) { text-align: left; }
  .history-table th:nth-child(3) { text-align: right; }
  
  .history-table tbody tr {
    border-bottom: 1px solid var(--color-border-main);
    transition: background 0.15s ease;
  }
  
  .history-table tbody tr:last-child {
    border-bottom: none;
  }
  
  .history-table tbody tr:hover {
    background: #f9fafb;
  }
  
  .history-table td {
    padding: 12px 12px;
    color: var(--color-text-heading);
  }
  
  .history-table td:nth-child(1),
  .history-table td:nth-child(2),
  .history-table td:nth-child(4) { text-align: left; }
  .history-table td:nth-child(3) { text-align: right; }
  
  .history-date {
    color: var(--color-text-primary);
    font-size: 13px;
  }
  
  .history-description {
    font-weight: 500;
    color: var(--color-text-primary);
  }
  
  .history-amount {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-text-heading);
  }
  
  .history-amount.amount-negative {
    color: var(--color-text-heading);
  }
  
  .history-amount.amount-positive {
    color: var(--color-text-heading);
  }
  
  .history-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
  }
  
  .history-status i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }
  
  .history-status.completed {
    color: var(--color-success);
  }
  
  .history-status.pending {
    color: var(--color-warning);
  }
  
  .history-status.failed {
    color: var(--color-error);
  }
  
  /* Empty State */
  .history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: var(--color-text-muted);
  }
  
  .history-empty i {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.3;
  }
  
  .history-empty p {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #374151;
  }
  
  .history-empty span {
    font-size: 13px;
  }
  
  /* Loading State */
  .history-loading td {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
  }
  
  /* Load More Button */
  .history-actions {
    margin-top: 12px;
    display: flex;
    justify-content: center;
  }
  
  .load-more-btn {
    padding: 8px 16px;
    background: white;
    border: 1px solid var(--color-border-main);
    border-radius: 6px;
    color: #374151;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
  }
  
  .load-more-btn:hover {
    background: #f3f4f6;
  }
  
  /* ============================================
     NOTIFICATIONS
     ============================================ */
  
  .notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    z-index: 10000;
    animation: slideDown 0.3s ease;
  }
  
  @keyframes slideDown {
    from {
      transform: translateX(-50%) translateY(-20px);
      opacity: 0;
    }
    to {
      transform: translateX(-50%) translateY(0);
      opacity: 1;
    }
  }
  
  .notification.success {
    background: white;
    border: 1px solid var(--color-success);
    color: var(--color-success);
  }
  
  .notification.error {
    background: white;
    border: 1px solid var(--color-error);
    color: var(--color-error);
  }
  
  .notification i {
    width: 20px;
    height: 20px;
  }
  
  /* ============================================
     LOADING STATES
     ============================================ */
  
  .loading-spinner {
    text-align: center;
    padding: 20px;
    color: var(--color-text-muted);
    font-size: 14px;
  }
  
  .plan-status-loading {
    padding: 20px;
  }
  
  /* ============================================
     PLANS SECTION - Toggle & Cards
     ============================================ */
  
  .plans-section {
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
  }
  
  .plans-section:first-child {
    margin-top: 0;
  }
  
  .section-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-heading);
    margin-bottom: var(--spacing-md);
  }
  
  .section-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: calc(-1 * var(--spacing-sm));
    margin-bottom: var(--spacing-md);
  }
  
  /* Plans Toggle (Monthly/Yearly) — небольшой отступ до карточек, как на скрине */
  .plans-toggle {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: var(--color-bg-input);
    border-radius: var(--border-radius-lg);
    width: fit-content;
  }
  
  .plans-toggle-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
  }
  
  .plans-toggle-btn:hover {
    color: var(--color-text-primary);
  }
  
  .plans-toggle-btn.active {
    background: var(--color-bg-main);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
  }
  
  .toggle-save-badge {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-success);
    background: color-mix(in srgb, var(--color-success) 10%, transparent);
    padding: 2px var(--spacing-sm);
    border-radius: var(--border-radius-sm);
  }
  
  /* Plans Container - 2 columns; высота ряда по самой высокой карточке, кнопки внизу */
  .plans-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    align-items: stretch;
  }

  .plans-container .plan-card-open {
    min-height: 100%;
  }

  /* Individual Plan Card — белая заливка фона тарифа */
  .plan-card-open {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border-main);
    border-radius: var(--border-radius-lg);
    background: #ffffff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  }
  
  .plan-card-open:hover {
    border-color: var(--color-border-secondary);
    box-shadow: var(--shadow-md);
  }
  
  .plan-card-open.recommended {
    border-color: var(--color-primary);
    border-width: 2px;
  }
  
  .plan-recommended-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
  }
  
  .plan-header {
    text-align: left;
    margin-bottom: var(--spacing-md);
  }
  
  .plan-name {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-heading);
    margin-bottom: 4px;
    text-align: left;
  }
  
  .plan-price {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-heading);
    text-align: left;
    margin-bottom: var(--spacing-xs);
  }
  
  .plan-price-period {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-muted);
  }
  
  .plan-yearly-note {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
  }
  
  .plan-tokens-note {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-xs);
  }
  
  .plan-description {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
  }
  
  .plan-features-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  
  .plan-features-list li {
    font-size: 13px;
    color: var(--color-text-primary);
    padding: 0;
    padding-left: 20px;
    position: relative;
    text-decoration: none;
    list-style: none;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.35;
  }
  
  .plan-features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-semibold);
    width: 14px;
    height: 14px;
    margin-top: 2px;
    flex-shrink: 0;
  }
  
  .plan-subscribe-btn {
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: white;
  }
  
  .plan-subscribe-btn:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
  }
  
  .plan-subscribe-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  /* ============================================
     SUBSCRIBER VIEW
     ============================================ */

  .subscriber-view {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
  }

  /* Секция с переключателем месяц/год для подписчика — отступ до карточек как у планов */
  .subscriber-plans-section {
    margin-bottom: var(--spacing-sm);
  }

  /* Две карточки в ряд; выравнивание кнопок по высоте — ориентир на ту, что ниже */
  .subscriber-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    align-items: stretch;
  }

  .subscriber-cards .plan-card-open {
    min-height: 100%;
  }

  /* Когда одна карточка — половина ширины, слева */
  .subscriber-cards.single {
    grid-template-columns: 1fr 1fr;
  }

  .subscriber-cards.single .tokens-card {
    grid-column: 1;
  }

  /* Карточка "Need more tokens?" — та же карточка что ONE/PRO: plan-header + plan-name, симметрична */
  .tokens-card {
    background: #ffffff;
  }

  .tokens-card .plan-features-list {
    flex: 1;
  }

  .tokens-card .btn,
  .tokens-card .plan-subscribe-btn {
    width: 100%;
    margin-top: auto;
  }
  
  /* Plan Banner (subscriber) — двухстрочный формат как у TRIAL */
  .plan-banner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: color-mix(in srgb, var(--color-primary) 10%, transparent);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
  }
  
  .plan-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .plan-name-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
  }
  
  .plan-plan-name {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-heading);
  }
  
  .plan-balance {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
  }
  
  .plan-status-badge {
    flex-shrink: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
  }
  
  .plan-status-badge.active {
    background: color-mix(in srgb, var(--color-success) 10%, transparent);
    color: var(--color-success);
  }
  
  .plan-status-badge.cancelled {
    background: color-mix(in srgb, var(--color-error) 10%, transparent);
    color: var(--color-error);
  }
  
  .plan-status-badge.past-due {
    background: color-mix(in srgb, var(--color-warning) 10%, transparent);
    color: var(--color-warning);
  }
  
  .plan-renewal,
  .plan-balance-topup {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
  }

  /* ============================================
     PAST DUE BANNER
     ============================================ */

  .past-due-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: color-mix(in srgb, var(--color-warning) 15%, transparent);
    border: 1px solid var(--color-warning);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
  }

  .past-due-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
  }

  .past-due-icon {
    font-size: 1.25rem;
  }

  .past-due-text {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
  }

  /* Warning Button (желтый/оранжевый) */
  .btn-warning {
    background-color: var(--color-warning);
    color: #000;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: background-color 0.2s;
  }

  .btn-warning:hover {
    background-color: color-mix(in srgb, var(--color-warning) 85%, #000);
  }

  .plan-balance .plan-balance-topup {
    font-weight: var(--font-weight-regular);
  }
  
  /* ============================================
     BALANCE SECTION
     ============================================ */
  
  .balance-container {
    padding: var(--spacing-md);
    background: var(--color-bg-input);
    border-radius: var(--border-radius-lg);
  }
  
  .balance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
  }
  
  .balance-label {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
  }
  
  .balance-total {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
  }
  
  .balance-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border-main);
  }
  
  .balance-item {
    display: flex;
    justify-content: space-between;
  }
  
  .balance-item-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }
  
  .balance-item-value {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
  }
  
  .yearly-warning {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: color-mix(in srgb, var(--color-warning) 10%, transparent);
    border-radius: var(--border-radius);
    font-size: var(--text-sm);
    color: var(--color-warning);
  }
  
  .yearly-warning i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }
  
  /* ============================================
     TRIAL BANNERS
     ============================================ */
  
  .trial-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: color-mix(in srgb, var(--color-primary) 10%, transparent);
    border-radius: var(--border-radius-lg);
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
  }
  
  .trial-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
  }
  
  .trial-plan-name {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-heading);
  }
  
  .trial-days {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
  }
  
  .trial-limits {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
  }
  
  .trial-expired-banner {
    padding: var(--spacing-md);
    background: color-mix(in srgb, var(--color-error) 10%, transparent);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
  }
  
  .trial-expired-banner p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-error);
  }
  
  /* ============================================
     ZERO BALANCE WARNING
     ============================================ */
  
  .zero-balance-warning {
    padding: var(--spacing-md);
    background: color-mix(in srgb, var(--color-warning) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-warning) 30%, transparent);
    border-radius: var(--border-radius-lg);
  }
  
  .zero-balance-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-warning);
  }
  
  .zero-balance-header i {
    width: 18px;
    height: 18px;
  }
  
  .zero-balance-warning p {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--text-sm);
  }
  
  .zero-balance-info {
    color: var(--color-text-muted);
  }
  
  .zero-balance-action {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
  }
  
  /* ============================================
     UPGRADE CARD
     ============================================ */
  
  .upgrade-card {
    background: #ffffff;
  }
  
  .upgrade-card .plan-features-list {
    flex: 1;
  }
  
  .upgrade-card .upgrade-btn {
    margin-top: auto;
  }
  
  .upgrade-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
  }
  
  .upgrade-title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-heading);
  }
  
  .upgrade-price {
    font-size: var(--text-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
  }
  
  .upgrade-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing-md) 0;
  }
  
  .upgrade-btn {
    width: 100%;
  }
  
  /* ============================================
     TOKEN PACKAGES
     ============================================ */
  
  .token-packages-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-main);
  }
  
  .token-packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
  
  .token-package-card {
    position: relative;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border-main);
    border-radius: var(--border-radius-lg);
    background: var(--color-bg-main);
    text-align: center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  }
  
  .token-package-card:hover:not(.disabled) {
    border-color: var(--color-border-secondary);
    box-shadow: var(--shadow-sm);
  }
  
  .token-package-card.popular {
    border-color: var(--color-primary);
  }
  
  .token-package-card.disabled {
    opacity: 0.6;
  }
  
  .token-package-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 2px var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
  }
  
  .token-package-amount {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-heading);
    margin-bottom: var(--spacing-xs);
  }
  
  .token-package-bonus {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-success);
    margin-bottom: var(--spacing-sm);
  }
  
  .token-package-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border-main);
    border-radius: var(--border-radius);
    background: var(--color-bg-main);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
  }
  
  .token-package-btn:hover:not(:disabled) {
    background: var(--color-bg-hover);
  }
  
  .token-package-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  /* ============================================
     CANCEL SECTION
     ============================================ */
  
  .cancel-section-outer {
    margin-top: 0;
  }

  .cancel-section-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-heading);
    margin: 0 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-main);
  }

  .manage-subscription-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .manage-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .manage-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }
  
  .cancel-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .cancel-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }
  
  .btn-cancel {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border-main);
    border-radius: var(--border-radius);
    background: var(--color-bg-main);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
  }
  
  .btn-cancel:hover {
    border-color: var(--color-error);
    color: var(--color-error);
  }
  
  /* ============================================
     BILLING ERROR STATE
     ============================================ */
  
  .billing-error {
    text-align: center;
    padding: var(--spacing-xl);
  }
  
  .billing-error p {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text-primary);
  }
  
  .billing-error .error-details {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-bottom: var(--spacing-md);
  }
  
  /* ============================================
     AMOUNT COLORS (for history table)
     ============================================ */
  
  .amount-positive {
    color: var(--color-success);
  }
  
  .amount-negative {
    color: var(--color-error);
  }
  
  .status-success {
    color: var(--color-success);
  }
  
  .status-pending {
    color: var(--color-warning);
  }
  
  .status-error {
    color: var(--color-error);
  }
  
  /* ============================================
     RESPONSIVE
     ============================================ */
  
  @media (max-width: 768px) {
    .plans-container,
    .subscriber-cards {
      grid-template-columns: 1fr;
    }

    .subscriber-cards.single .tokens-card {
      grid-column: auto;
    }
  
    .token-packages-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .trial-banner,
    .plan-banner {
      flex-direction: column;
      gap: var(--spacing-sm);
      align-items: stretch;
    }
  
    .plan-banner .plan-status-badge {
      align-self: flex-end;
    }
  
    .plan-name-row {
      flex-wrap: wrap;
    }
  
    .trial-limits {
      flex-direction: column;
      gap: var(--spacing-xs);
    }
  
    .plan-actions {
      flex-direction: column;
    }
  
    .btn {
      width: 100%;
      justify-content: center;
    }
  
    .cancel-container {
      flex-direction: column;
      gap: var(--spacing-sm);
      text-align: center;
    }
  }
  
  @media (max-width: 480px) {
    .token-packages-grid {
      grid-template-columns: 1fr;
    }
  
    .history-table {
      font-size: var(--text-sm);
    }
  
    .history-table th,
    .history-table td {
      padding: var(--spacing-sm) var(--spacing-xs);
    }
  
    .plan-name-row {
      flex-wrap: wrap;
      gap: var(--spacing-sm);
    }
  
    .balance-header {
      flex-direction: column;
      align-items: flex-start;
      gap: var(--spacing-xs);
    }
  }