/**
 * @file
 * Multiple Dates — vanilla JS calendar picker styles.
 * No jQuery UI dependency.
 */

/* ============================================================
   CSS custom properties (easy theming)
   ============================================================ */
:root {
  --mdp-accent: #0071b8;
  --mdp-accent-dark: #005999;
  --mdp-accent-light: #e3f2fd;
  --mdp-today: #0071b8;
  --mdp-selected-bg: #0071b8;
  --mdp-selected-fg: #fff;
  --mdp-hover-bg: #e8f4fd;
  --mdp-disabled-fg: #bbb;
  --mdp-border: #d0d0d0;
  --mdp-surface: #fff;
  --mdp-surface-alt: #f7f8fa;
  --mdp-shadow: 0 4px 24px #00000021;
  --mdp-radius: 8px;
  --mdp-radius-sm: 4px;
  --mdp-font: inherit;
  --mdp-font-size: 14px;
  --mdp-day-size: 34px;
}

/* ============================================================
   Wrapper
   ============================================================ */
.mdp-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 640px;
  font-family: var(--mdp-font);
  font-size: var(--mdp-font-size);
}

/* ============================================================
   Trigger button
   ============================================================ */
.mdp-trigger {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  cursor: pointer;
  user-select: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
  border: 1px solid var(--mdp-border);
  border-radius: var(--mdp-radius-sm);
  background: var(--mdp-surface);
  gap: 8px;
}
.mdp-trigger:hover {
  border-color: var(--mdp-accent);
}
.mdp-trigger:focus,
.mdp-trigger:focus-visible {
  border-color: var(--mdp-accent);
  outline: 2px solid var(--mdp-accent);
  outline-offset: 2px;
}
.mdp-trigger-text {
  flex: 1;
  color: #555;
}
.mdp-trigger-icon {
  font-size: 16px;
  line-height: 1;
}

/* ============================================================
   Chips (selected date tags)
   ============================================================ */
.mdp-chips {
  display: flex;
  flex-wrap: wrap;
  min-height: 0;
  margin-top: 8px;
  gap: 5px;
}
.mdp-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 6px 3px 10px;
  white-space: nowrap;
  color: #0d47a1;
  border: 1px solid #90caf9;
  border-radius: 14px;
  background: var(--mdp-accent-light);
  font-size: 12px;
  gap: 3px;
}
.mdp-chip-rm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  padding: 0;
  cursor: pointer;
  transition: background 0.1s;
  color: inherit;
  border: none;
  border-radius: 50%;
  background: none;
  font-size: 14px;
  line-height: 1;
}
.mdp-chip-rm:hover {
  color: #b71c1c;
  background: #0000001a;
}
.mdp-chips-more {
  align-self: center;
  padding: 3px 8px;
  color: #777;
  font-size: 12px;
}

/* ============================================================
   Popup
   ============================================================ */
.mdp-popup {
  position: absolute;
  z-index: 9999;
  top: calc(100% + 6px);
  left: 0;
  overflow-y: auto;
  min-width: 280px;
  max-height: 90vh;
  border: 1px solid var(--mdp-border);
  border-radius: var(--mdp-radius);
  background: var(--mdp-surface);
  box-shadow: var(--mdp-shadow);
}
.mdp-popup[hidden] {
  display: none !important;
}

/* Popup header */
.mdp-popup-head {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--mdp-border);
  border-radius: var(--mdp-radius) var(--mdp-radius) 0 0;
  background: var(--mdp-surface-alt);
  gap: 8px;
}
.mdp-count {
  flex: 1;
  text-align: center;
  color: #555;
  font-size: 13px;
  font-weight: 600;
}

/* Bulk actions */
.mdp-bulk-row {
  display: flex;
  flex-wrap: wrap;
  padding: 6px 14px;
  border-bottom: 1px solid #eee;
  gap: 8px;
}

/* Popup footer */
.mdp-popup-foot {
  display: flex;
  justify-content: flex-end;
  padding: 10px 14px;
  border-top: 1px solid var(--mdp-border);
  border-radius: 0 0 var(--mdp-radius) var(--mdp-radius);
  background: var(--mdp-surface-alt);
}

/* ============================================================
   Buttons
   ============================================================ */
.mdp-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--mdp-radius-sm);
  font-family: var(--mdp-font);
  font-size: 13px;
  line-height: 1.4;
}
.mdp-btn-primary {
  color: #fff;
  border-color: var(--mdp-accent);
  background: var(--mdp-accent);
}
.mdp-btn-primary:hover {
  border-color: var(--mdp-accent-dark);
  background: var(--mdp-accent-dark);
}
.mdp-btn-ghost {
  color: #444;
  border-color: var(--mdp-border);
  background: #fff;
}
.mdp-btn-ghost:hover {
  border-color: #aaa;
  background: #f0f0f0;
}
.mdp-btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}
.mdp-btn-icon {
  padding: 2px 6px;
  cursor: pointer;
  transition:
    color 0.1s,
    background 0.1s;
  color: #777;
  border: none;
  border-radius: var(--mdp-radius-sm);
  background: none;
  font-size: 18px;
  line-height: 1;
}
.mdp-btn-icon:hover {
  color: #333;
  background: #0000000d;
}

/* Navigation arrows */
.mdp-nav {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  cursor: pointer;
  transition:
    background 0.12s,
    border-color 0.12s;
  color: #555;
  border: 1px solid var(--mdp-border);
  border-radius: var(--mdp-radius-sm);
  background: none;
  font-size: 18px;
}
.mdp-nav:hover {
  color: var(--mdp-accent);
  border-color: var(--mdp-accent);
  background: var(--mdp-hover-bg);
}

/* ============================================================
   Calendar grid
   ============================================================ */
.mdp-cal-grid {
  padding: 12px 14px;
}
.mdp-cal-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* ============================================================
   Month panel
   ============================================================ */
.mdp-month {
  flex: 1;
  min-width: 220px;
}

/* Month header */
.mdp-month-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 4px;
}
.mdp-month-title {
  display: flex;
  align-items: center;
  color: #222;
  font-size: 14px;
  font-weight: 600;
  gap: 4px;
}
.mdp-month-sel,
.mdp-year-sel {
  padding: 2px 4px;
  cursor: pointer;
  border: 1px solid var(--mdp-border);
  border-radius: var(--mdp-radius-sm);
  background: var(--mdp-surface);
  font-family: var(--mdp-font);
  font-size: 13px;
}
.mdp-month-sel:focus,
.mdp-year-sel:focus {
  outline: 2px solid var(--mdp-accent);
  outline-offset: 1px;
}
.mdp-year-label {
  color: #666;
}

/* Day-name headers */
.mdp-day-names {
  display: grid;
  grid-template-columns: repeat(7, var(--mdp-day-size));
  margin-bottom: 4px;
  text-align: center;
}
.mdp-dn {
  padding: 4px 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #aaa;
  font-size: 11px;
  font-weight: 700;
}

/* Day cells */
.mdp-days {
  display: grid;
  grid-template-columns: repeat(7, var(--mdp-day-size));
  gap: 2px;
}
.mdp-day {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--mdp-day-size);
  height: var(--mdp-day-size);
  cursor: pointer;
  user-select: none;
  transition:
    background 0.1s,
    color 0.1s;
  color: #333;
  border-radius: var(--mdp-radius-sm);
  font-size: 13px;
}
.mdp-day:not(.mdp-day--blank, .mdp-day--disabled, .mdp-day--ro):hover {
  color: var(--mdp-accent);
  background: var(--mdp-hover-bg);
}
.mdp-day:focus-visible {
  outline: 2px solid var(--mdp-accent);
  outline-offset: 1px;
}
.mdp-day--blank {
  cursor: default;
}
.mdp-day--today {
  color: var(--mdp-today);
  font-weight: 700;
}
.mdp-day--today::after {
  position: absolute;
  bottom: 3px;
  left: 50%;
  width: 4px;
  height: 4px;
  content: "";
  transform: translateX(-50%);
  border-radius: 50%;
  background: currentColor;
}
.mdp-day--selected {
  color: var(--mdp-selected-fg) !important;
  background: var(--mdp-selected-bg) !important;
  font-weight: 600;
}
.mdp-day--selected.mdp-day--today::after {
  background: var(--mdp-selected-fg);
}
.mdp-day--disabled {
  cursor: not-allowed;
  color: var(--mdp-disabled-fg);
  background: #fafafa;
}
.mdp-day--ro {
  cursor: default;
}

/* ============================================================
   Paste input area
   ============================================================ */
.mdp-paste-wrap {
  padding: 10px 14px 14px;
  border-top: 1px solid #eee;
}
.mdp-paste-label {
  display: block;
  margin-bottom: 5px;
  color: #666;
  font-size: 12px;
  font-weight: 600;
}
.mdp-paste-area {
  box-sizing: border-box;
  width: 100%;
  min-height: 56px;
  padding: 6px 8px;
  resize: vertical;
  border: 1px solid var(--mdp-border);
  border-radius: var(--mdp-radius-sm);
  font-family: monospace;
  font-size: 12px;
}
.mdp-paste-area:focus {
  outline: 2px solid var(--mdp-accent);
  outline-offset: 1px;
}
.mdp-paste-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

/* ============================================================
   Read-only display (formatter calendar_view)
   ============================================================ */
.mdp-display {
  display: inline-block;
}
.mdp-display-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
  gap: 8px;
}
.mdp-month--ro .mdp-month-head {
  justify-content: center;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .mdp-cal-row {
    flex-direction: column;
  }
  .mdp-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    width: auto;
    max-width: calc(100vw - 24px);
    max-height: 90vh;
    transform: translate(-50%, -50%);
  }
  .mdp-day-names,
  .mdp-days {
    grid-template-columns: repeat(7, 1fr);
  }
  .mdp-day {
    width: 100%;
    height: 36px;
  }
}

/* ============================================================
   Dark-mode support (prefers-color-scheme)
   ============================================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --mdp-surface: #1e1e1e;
    --mdp-surface-alt: #2a2a2a;
    --mdp-border: #444;
    --mdp-hover-bg: #263344;
    --mdp-disabled-fg: #555;
    --mdp-shadow: 0 4px 24px #00000080;
  }
  .mdp-trigger,
  .mdp-popup,
  .mdp-paste-area,
  .mdp-month-sel,
  .mdp-year-sel {
    color: #ddd;
  }
  .mdp-trigger-text {
    color: #aaa;
  }
  .mdp-day {
    color: #ccc;
  }
  .mdp-btn-ghost {
    color: #ccc;
    background: #2a2a2a;
  }
}