/* ==========================================================================
   Dividend Calendar – Scoped UI (aligned with style.css design system)
   Scope: body has .na-calendar-page. Does NOT override body layout from style.css.
   Uses :root vars from style.css. Layout (background, color, min-height) = style.css only.
   ========================================================================== */

   .na-calendar-page {
    /* Use style.css design tokens only – same as site body */
    --na-bg: var(--bg-shell);
    --na-bg-2: var(--bg-shell-2);
    --na-surface: var(--shell-overlay);
    --na-surface-2: var(--shell-overlay-strong);
    --na-border: var(--border-shell);
    --na-text: var(--text);
    --na-text-2: var(--text-muted);
    --na-text-3: var(--text-soft);

    --na-accent: var(--accent);
    --na-accent-hover: var(--accent-hover);
    /* Soft tints from style.css accent (#2F6BFF) */
    --na-accent-2: rgba(47, 107, 255, 0.18);

    /* Semantic – same as style.css */
    --na-pay: var(--success);
    --na-ex: var(--accent);
    --na-decl: var(--warning);

    --na-radius: var(--r-md);
    --na-radius-sm: var(--r-sm);
    --na-shadow: var(--shadow-card);
    --na-gutter: var(--gap-4);
    --na-pad: var(--gap-3);

    /* Do not override body layout from style.css – no background/color here */
  }
  
  .na-calendar-page * {
    box-sizing: border-box;
  }
  
  .na-calendar-page a {
    color: inherit;
    text-decoration: none;
  }
  
  /* Improve overall readability */
  .na-calendar-page .calendar-container {
    width: min(1200px, calc(100% - 2 * var(--na-gutter)));
    margin: 28px auto 42px;
  }
  
  /* ==========================================================================
     Hero
     ========================================================================== */
  
  .na-calendar-page .na-hero-section {
    width: min(1200px, calc(100% - 2 * var(--na-gutter)));
    margin: 28px auto 14px;
    padding: 26px 24px;
    border-bottom: 1px solid var(--na-border);
    background: transparent;
  }
  
  .na-calendar-page .na-hero-title {
    margin: 0 0 10px;
    font-size: clamp(22px, 2.2vw, 30px);
    line-height: 1.15;
    letter-spacing: -0.02em;
  }
  
  .na-calendar-page .na-hero-description {
    margin: 0;
    color: var(--na-text-2);
    font-size: 14.5px;
    line-height: 1.5;
    max-width: 90ch;
  }
  
  /* ==========================================================================
     Main container surface
     ========================================================================== */
  
  .na-calendar-page .calendar-container.na-theme {
    border: none;
    background: transparent;
    padding: 16px 0;
  }
  
  /* ==========================================================================
     View tabs
     ========================================================================== */
  
  .na-calendar-page .view-tabs {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    position: sticky;
    top: 10px;
    z-index: 3;
    background: transparent;
  }
  
  .na-calendar-page .view-tab {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--na-text-2);
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 13.5px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: transform 120ms ease, background 140ms ease, border-color 140ms ease, color 140ms ease;
  }
  
  .na-calendar-page .view-tab:hover {
    background: var(--na-surface);
    border-color: var(--na-border);
    color: var(--na-text);
  }
  
  .na-calendar-page .view-tab:active {
    transform: translateY(1px);
  }
  
  .na-calendar-page .view-tab.active {
    background: var(--na-accent-2);
    border-color: var(--na-border);
    color: var(--na-text);
  }
  
  /* ==========================================================================
     View sections + visibility helper
     ========================================================================== */
  
  .na-calendar-page .view-content {
    margin-top: 14px;
  }
  
  .na-calendar-page .hidden {
    display: none !important;
  }
  
  /* ==========================================================================
     Calendar nav row
     ========================================================================== */
  
  .na-calendar-page .calendar-nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 0;
    background: transparent;
  }
  
  .na-calendar-page .date-navigation {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .na-calendar-page .current-month {
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--na-text);
    padding: 6px 10px;
    min-width: 150px;
    text-align: center;
  }
  
  .na-calendar-page .nav-btn {
    width: 40px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid var(--na-border);
    background: var(--na-surface);
    color: var(--na-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 140ms ease, border-color 140ms ease, transform 120ms ease;
  }

  .na-calendar-page .nav-btn .nav-btn-icon {
    flex-shrink: 0;
    color: inherit;
  }

  .na-calendar-page .nav-btn .nav-btn-icon path,
  .na-calendar-page .nav-btn .nav-btn-icon polyline {
    stroke: currentColor;
  }
  
  .na-calendar-page .nav-btn:hover {
    background: var(--na-surface-2);
    border-color: var(--na-border);
  }
  
  .na-calendar-page .nav-btn:active {
    transform: translateY(1px);
  }
  
  /* Legend */
  .na-calendar-page .calendar-legend {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .na-calendar-page .legend-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--na-text-2);
    font-size: 12.5px;
    padding: 6px 10px;
    border-radius: 999px;
  }
  
  .na-calendar-page .legend-color {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    display: inline-block;
  }
  
  .na-calendar-page .legend-color.pay-date { background: var(--na-pay); }
  .na-calendar-page .legend-color.ex-div { background: var(--na-ex); }
  .na-calendar-page .legend-color.declaration { background: var(--na-decl); }
  
  .na-calendar-page .legend-label {
    letter-spacing: -0.01em;
  }
  
  /* Filters: compact, side-by-side (global .filter-container in style.css) */
  .na-calendar-page .filter-container {
    margin-top: 8px;
    padding: 8px 0;
  }
  .na-calendar-page .filter-dropdown-row {
    gap: 10px;
  }
  .na-calendar-page .filter-container .form-select {
    padding: 8px 10px;
    font-size: 0.85rem;
  }
  
  /* ==========================================================================
     Loading state
     ========================================================================== */
  
  .na-calendar-page .calendar-loading {
    margin-top: 12px;
    display: none; /* You can toggle via JS */
    justify-content: center;
    align-items: center;
    height: 56px;
    background: transparent;
  }
  
  .na-calendar-page .loading-spinner {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    border: 2px solid var(--na-border);
    border-top-color: var(--na-accent);
    animation: naSpin 850ms linear infinite;
  }
  
  @keyframes naSpin {
    to { transform: rotate(360deg); }
  }
  
  /* ==========================================================================
     Calendar grid
     Note: your JS generates the day cells. This styles the container and
           provides generic styling hooks that won't break if structure changes.
     ========================================================================== */
  
  /* 7-column grid + weekday header row – more transparent so background shows through */
  .na-calendar-page #calendarGrid.calendar-grid {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
  }

  /* Weekday headers (Sun–Sat) */
  .na-calendar-page #calendarGrid .weekday-header {
    padding: 10px 8px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--na-text-2);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--na-border);
  }
  .na-calendar-page #calendarGrid .weekday-header:not(:last-child) {
    border-right: 1px solid var(--na-border);
  }

  /* Day cells (generic + calendar-day from JS) */
  .na-calendar-page #calendarGrid .day,
  .na-calendar-page #calendarGrid .calendar-day,
  .na-calendar-page #calendarGrid .day-cell {
    min-height: 100px;
    padding: 8px;
    border-right: 1px solid var(--na-border);
    border-bottom: 1px solid var(--na-border);
    background: rgba(255, 255, 255, 0.02);
    transition: background 0.14s ease;
    display: flex;
    flex-direction: column;
  }
  .na-calendar-page #calendarGrid .day:nth-child(7n),
  .na-calendar-page #calendarGrid .calendar-day:nth-child(7n),
  .na-calendar-page #calendarGrid .day-cell:nth-child(7n) {
    border-right: none;
  }

  .na-calendar-page #calendarGrid .day:hover,
  .na-calendar-page #calendarGrid .calendar-day:hover:not(.empty),
  .na-calendar-page #calendarGrid .day-cell:hover {
    background: rgba(255, 255, 255, 0.05);
  }

  /* Empty cells (days outside current month) – very transparent */
  .na-calendar-page #calendarGrid .calendar-day.empty {
    background: transparent;
    min-height: 100px;
  }
  .na-calendar-page #calendarGrid .calendar-day.empty:hover {
    background: transparent;
  }

  /* Today highlight – uses style.css accent */
  .na-calendar-page #calendarGrid .calendar-day.current-day {
    background: var(--na-accent-2);
    outline: 1px solid var(--na-accent);
    outline-offset: -1px;
  }
  .na-calendar-page #calendarGrid .calendar-day.current-day:hover {
    background: var(--na-accent-2);
  }
  .na-calendar-page #calendarGrid .calendar-day.current-day .day-number {
    color: var(--na-accent);
    font-weight: 700;
  }

  /* Day number */
  .na-calendar-page #calendarGrid .day-number,
  .na-calendar-page #calendarGrid .date,
  .na-calendar-page #calendarGrid .day-label {
    color: var(--na-text-2);
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
    margin-bottom: 6px;
  }

  /* Events container inside day cell */
  .na-calendar-page #calendarGrid .day-events {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-height: 0;
  }

  /* Event card (JS uses .event-card + .pay-date | .ex-div | .declaration) */
  .na-calendar-page #calendarGrid .event-card,
  .na-calendar-page #calendarGrid .event,
  .na-calendar-page #calendarGrid .event-item,
  .na-calendar-page #calendarGrid .dividend-event {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid var(--na-border);
    background: var(--na-surface-2);
    color: var(--na-text);
    font-size: 0.75rem;
    line-height: 1.2;
    cursor: pointer;
    transition: background 0.12s ease, border-color 0.12s ease, transform 0.1s ease;
    text-align: left;
  }
  .na-calendar-page #calendarGrid .event-card:hover,
  .na-calendar-page #calendarGrid .event:hover,
  .na-calendar-page #calendarGrid .event-item:hover,
  .na-calendar-page #calendarGrid .dividend-event:hover {
    background: var(--na-surface-2);
    border-color: var(--na-border);
  }

  .na-calendar-page #calendarGrid .event-color-indicator {
    width: 4px;
    height: 100%;
    min-height: 14px;
    border-radius: 2px;
    flex-shrink: 0;
  }
  .na-calendar-page #calendarGrid .event-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .na-calendar-page #calendarGrid .event-symbol {
    font-weight: 700;
    color: var(--na-text);
    font-size: 0.8rem;
  }
  .na-calendar-page #calendarGrid .event-amount {
    font-size: 0.7rem;
    color: var(--na-text-2);
  }

  /* Semantic colors for event cards – style.css --success, --accent, --warning */
  .na-calendar-page #calendarGrid .event-card.pay-date,
  .na-calendar-page #calendarGrid .pay-date,
  .na-calendar-page #calendarGrid .pay {
    border-color: var(--na-border);
    background: rgba(34, 197, 94, 0.1);
  }
  .na-calendar-page #calendarGrid .event-card.pay-date .event-color-indicator,
  .na-calendar-page #calendarGrid .pay-date .event-color-indicator { background: var(--na-pay); }

  .na-calendar-page #calendarGrid .event-card.ex-div,
  .na-calendar-page #calendarGrid .ex-div,
  .na-calendar-page #calendarGrid .ex {
    border-color: var(--na-border);
    background: var(--na-accent-2);
  }
  .na-calendar-page #calendarGrid .event-card.ex-div .event-color-indicator,
  .na-calendar-page #calendarGrid .ex-div .event-color-indicator { background: var(--na-ex); }

  .na-calendar-page #calendarGrid .event-card.declaration,
  .na-calendar-page #calendarGrid .declaration,
  .na-calendar-page #calendarGrid .decl {
    border-color: var(--na-border);
    background: rgba(245, 158, 11, 0.1);
  }
  .na-calendar-page #calendarGrid .event-card.declaration .event-color-indicator,
  .na-calendar-page #calendarGrid .declaration .event-color-indicator { background: var(--na-decl); }

  /* "+N more" link */
  .na-calendar-page #calendarGrid .more-events {
    margin-top: 2px;
    padding: 4px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--na-accent);
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.12s ease, color 0.12s ease;
  }
  .na-calendar-page #calendarGrid .more-events:hover {
    background: var(--na-accent-2);
    color: var(--na-text);
  }
  
  /* ==========================================================================
     Event modal (aligned with style.css overlay/card pattern)
     ========================================================================== */

  .na-calendar-page .event-modal-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    inset: 0;
    z-index: 10000;
    padding: var(--gap-4, 24px);
    background: rgba(4, 18, 32, 0.85);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
  }
  .na-calendar-page .event-modal-overlay.show {
    opacity: 1;
    visibility: visible;
  }

  .na-calendar-page .event-modal-content {
    width: 100%;
    max-width: min(720px, calc(100vw - 48px));
    max-height: calc(100vh - 48px);
    overflow: auto;
    border-radius: var(--r-md);
    border: 1px solid var(--na-border);
    background: var(--na-surface);
    box-shadow: var(--na-shadow);
    backdrop-filter: blur(12px);
  }

  .na-calendar-page .event-modal-content .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-2);
    padding: var(--gap-3) var(--gap-4);
    border-bottom: 1px solid var(--na-border);
    background: var(--na-surface);
  }

  .na-calendar-page .event-modal-content .modal-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--na-text);
    letter-spacing: -0.02em;
  }

  .na-calendar-page .event-modal-content .modal-close {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    background: var(--na-surface);
    color: var(--na-text-2);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.14s ease, border-color 0.14s ease, color 0.14s ease;
  }
  .na-calendar-page .event-modal-content .modal-close:hover {
    background: var(--na-surface-2);
    border-color: var(--na-border);
    color: var(--na-text);
  }

  .na-calendar-page .event-modal-content .modal-body {
    padding: var(--gap-4, 24px);
  }

  /* Event details table (inside modal) – same as .table-main in style.css */
  .na-calendar-page .event-table-container {
    overflow-x: auto;
    border-radius: var(--na-radius-sm);
    border: 1px solid var(--na-border);
    background: var(--na-surface);
  }

  .na-calendar-page .event-details-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
  }

  .na-calendar-page .event-details-table thead th {
    text-align: left;
    padding: var(--gap-2) var(--gap-3);
    background: var(--na-surface);
    border-bottom: 1px solid var(--na-border);
    color: var(--na-text-2);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: -0.01em;
  }

  .na-calendar-page .event-details-table tbody td {
    padding: var(--gap-2) var(--gap-3);
    border-bottom: 1px solid var(--na-border);
    color: var(--na-text);
  }

  .na-calendar-page .event-details-table tbody tr:hover {
    background: var(--na-surface);
  }

  .na-calendar-page .event-details-table .event-type-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid transparent;
  }
  .na-calendar-page .event-details-table .ex-badge {
    background: var(--na-accent-2);
    border-color: var(--na-border);
    color: var(--na-ex);
  }
  .na-calendar-page .event-details-table .pay-badge {
    background: rgba(34, 197, 94, 0.12);
    border-color: var(--na-border);
    color: var(--na-pay);
  }
  .na-calendar-page .event-details-table .declaration-badge {
    background: rgba(245, 158, 11, 0.12);
    border-color: var(--na-border);
    color: var(--na-decl);
  }

  .na-calendar-page .event-details-table .stock-link {
    color: var(--na-accent);
    text-decoration: none;
    font-weight: 600;
  }
  .na-calendar-page .event-details-table .stock-link:hover {
    text-decoration: underline;
  }
  .na-calendar-page .event-details-table .company-link {
    color: var(--na-text);
    text-decoration: none;
  }
  .na-calendar-page .event-details-table .company-link:hover {
    color: var(--na-accent);
    text-decoration: underline;
  }

  /* ==========================================================================
     Mobile calendar (built by JS: .mobile-calendar-wrapper, .mobile-calendar-grid)
     ========================================================================== */
  .na-calendar-page .mobile-calendar-wrapper {
    display: none;
    margin-top: 12px;
  }
  .na-calendar-page .mobile-scroll-hint {
    font-size: 0.75rem;
    color: var(--na-text-2);
    text-align: center;
    padding: 8px 0;
    margin-bottom: 8px;
  }
  .na-calendar-page .mobile-calendar-grid {
    display: block;
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
  }
  .na-calendar-page .mobile-weekday-headers {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--na-border);
  }
  .na-calendar-page .mobile-weekday-header {
    padding: 8px 4px;
    text-align: center;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--na-text-2);
  }
  .na-calendar-page .mobile-calendar-weeks {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .na-calendar-page .mobile-calendar-week {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    border-bottom: 1px solid var(--na-border);
  }
  .na-calendar-page .mobile-calendar-week:last-child {
    border-bottom: none;
  }
  .na-calendar-page .mobile-calendar-day {
    min-height: 64px;
    padding: 6px 4px;
    border-right: 1px solid var(--na-border);
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .na-calendar-page .mobile-calendar-day:nth-child(7n) {
    border-right: none;
  }
  .na-calendar-page .mobile-calendar-day.empty {
    background: transparent;
  }
  .na-calendar-page .mobile-calendar-day.current-day {
    background: var(--na-accent-2);
    outline: 1px solid var(--na-accent);
    outline-offset: -1px;
  }
  .na-calendar-page .mobile-day-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--na-text-2);
    flex-shrink: 0;
  }
  .na-calendar-page .mobile-calendar-day.current-day .mobile-day-number {
    color: var(--na-accent);
  }
  .na-calendar-page .mobile-day-events {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
  }
  .na-calendar-page .mobile-event-card {
    padding: 4px 6px;
    border-radius: 4px;
    border-left: 3px solid var(--na-border);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.14s ease;
  }
  .na-calendar-page .mobile-event-card.pay-date { border-left-color: var(--na-pay); background: rgba(34, 197, 94, 0.1); }
  .na-calendar-page .mobile-event-card.ex-div { border-left-color: var(--na-ex); background: var(--na-accent-2); }
  .na-calendar-page .mobile-event-card.declaration { border-left-color: var(--na-decl); background: rgba(245, 158, 11, 0.1); }
  .na-calendar-page .mobile-event-card:hover {
    background: rgba(255, 255, 255, 0.1);
  }
  .na-calendar-page .mobile-event-content {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-width: 0;
  }
  .na-calendar-page .mobile-event-symbol {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--na-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .na-calendar-page .mobile-event-amount {
    font-size: 0.65rem;
    color: var(--na-text-2);
  }
  .na-calendar-page .mobile-more-events {
    font-size: 0.65rem;
    color: var(--na-accent);
    padding: 2px 0;
    cursor: pointer;
  }
  .na-calendar-page .mobile-more-events:hover {
    text-decoration: underline;
  }

  /* ==========================================================================
     Responsive
     ========================================================================== */
  
  @media (max-width: 860px) {
    .na-calendar-page .calendar-nav-row {
      flex-direction: column;
      align-items: stretch;
    }
  
    .na-calendar-page .calendar-legend {
      justify-content: flex-start;
      flex-wrap: wrap;
    }
  
    .na-calendar-page #calendarGrid.calendar-grid {
      grid-template-columns: repeat(7, minmax(0, 1fr));
    }
  }
  
  /* Mobile: show mobile calendar, hide desktop grid */
  @media (max-width: 768px) {
    .na-calendar-page .mobile-calendar-wrapper {
      display: block;
    }
    .na-calendar-page #calendarGrid.calendar-grid {
      display: none !important;
    }
    .na-calendar-page .view-tabs {
      position: static;
    }
    .na-calendar-page .calendar-container,
    .na-calendar-page .na-hero-section {
      width: calc(100% - 2 * var(--pad-x));
      margin-left: auto;
      margin-right: auto;
      padding-left: var(--pad-x);
      padding-right: var(--pad-x);
    }
    .na-calendar-page .filter-dropdown-row {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }
    .na-calendar-page .filter-container .filter-dropdown {
      min-width: 0;
    }
  }
  @media (max-width: 480px) {
    .na-calendar-page .filter-dropdown-row {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 520px) {
    .na-calendar-page .view-tabs {
      position: static;
    }
  
    .na-calendar-page #calendarGrid.calendar-grid {
      display: none !important;
    }
    .na-calendar-page .mobile-calendar-day {
      min-height: 56px;
      padding: 4px 2px;
    }
    .na-calendar-page .mobile-weekday-header {
      font-size: 0.65rem;
      padding: 6px 2px;
    }
    .na-calendar-page .mobile-day-number {
      font-size: 0.7rem;
    }
  }
  
  /* ==========================================================================
     Accessibility: reduce motion
     ========================================================================== */
  
  @media (prefers-reduced-motion: reduce) {
    .na-calendar-page * {
      transition: none !important;
      animation: none !important;
      scroll-behavior: auto !important;
    }
  }