/* Datepicker — кастомний календар під дизайн-систему */

.dp-root {
  position: relative;
  width: 100%;
}

.dp-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  min-height: var(--touch);
  padding: 0.625rem 0.875rem 0.625rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text);
  font-size: 1rem;
  font-weight: 400;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.dp-trigger:hover {
  border-color: #c8c0b4;
  background: var(--bg);
}

.dp-root.is-open .dp-trigger,
.dp-trigger:focus-visible {
  border-color: var(--calm);
  box-shadow: 0 0 0 3px rgb(149 184 162 / 0.2);
  outline: none;
}

.dp-value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dp-value.is-placeholder {
  color: var(--text-light);
}

.dp-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.dp-root.is-open .dp-icon {
  color: var(--calm-dark);
}

.dp-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgb(44 41 38 / 0.35);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.dp-backdrop.is-visible {
  display: block;
  opacity: 1;
}

.dp-panel {
  position: absolute;
  top: calc(100% + 0.375rem);
  left: 0;
  z-index: 1110;
  width: min(100%, 20.5rem);
  min-width: 17.5rem;
  padding: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  transform-origin: top center;
  animation: dp-in 0.2s ease;
}

@keyframes dp-in {
  from {
    opacity: 0;
    transform: translateY(-0.375rem) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
  padding: 0.25rem 0.375rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgb(149 184 162 / 0.12), rgb(169 214 229 / 0.1));
}

.dp-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  min-width: var(--touch);
  min-height: var(--touch);
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, color 0.15s;
}

.dp-nav-btn:hover {
  background: rgb(149 184 162 / 0.2);
  color: var(--calm-dark);
}

.dp-nav-btn:active {
  transform: scale(0.96);
}

.dp-nav-title {
  flex: 1;
  min-width: 0;
  min-height: var(--touch);
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, color 0.15s;
}

.dp-nav-title:hover {
  background: rgb(149 184 162 / 0.18);
  color: var(--calm-dark);
}

.dp-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.125rem;
  margin-bottom: 0.375rem;
}

.dp-weekday {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-light);
}

.dp-weekday.is-weekend {
  color: var(--calm-dark);
}

.dp-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.25rem;
}

.dp-grid--months,
.dp-grid--years {
  grid-template-columns: repeat(3, 1fr);
  gap: 0.375rem;
}

.dp-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  min-height: 2.25rem;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, color 0.15s, transform 0.1s;
}

.dp-grid--months .dp-cell,
.dp-grid--years .dp-cell {
  aspect-ratio: auto;
  min-height: var(--touch);
  padding: 0.5rem 0.25rem;
  font-size: 0.8125rem;
}

.dp-cell:hover:not(:disabled):not(.is-selected) {
  background: rgb(149 184 162 / 0.16);
  color: var(--calm-dark);
}

.dp-cell:active:not(:disabled) {
  transform: scale(0.96);
}

.dp-cell.is-outside {
  color: var(--text-light);
  opacity: 0.45;
}

.dp-cell.is-today:not(.is-selected) {
  box-shadow: inset 0 0 0 1.5px var(--calm);
  color: var(--calm-dark);
  font-weight: 600;
}

.dp-cell.is-selected {
  background: var(--calm-dark);
  color: var(--white);
  font-weight: 600;
}

.dp-cell.is-selected:hover {
  background: var(--calm-dark);
  color: var(--white);
}

.dp-cell:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.dp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.625rem;
  border-top: 1px solid var(--border);
}

.dp-footer-btn {
  min-height: 2.25rem;
  padding: 0.375rem 0.75rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, color 0.15s;
}

.dp-footer-btn:hover {
  background: var(--bg);
  color: var(--text);
}

.dp-footer-btn--accent {
  color: var(--calm-dark);
  font-weight: 600;
}

.dp-footer-btn--accent:hover {
  background: rgb(149 184 162 / 0.16);
  color: var(--calm-dark);
}

@supports (-webkit-touch-callout: none) {
  .dp-trigger {
    font-size: 16px;
  }
}

@media (max-width: 767px) {
  .dp-backdrop.is-visible {
    display: block;
  }

  .dp-panel {
    position: fixed;
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    min-width: 0;
    max-height: min(78dvh, 32rem);
    margin: 0;
    padding: 0.75rem 1rem calc(1rem + env(safe-area-inset-bottom));
    border: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    animation: dp-sheet-in 0.28s ease;
    z-index: 1110;
  }

  @keyframes dp-sheet-in {
    from {
      opacity: 0;
      transform: translateY(100%);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .dp-panel::before {
    content: "";
    display: block;
    width: 2.5rem;
    height: 0.25rem;
    margin: 0 auto 0.875rem;
    border-radius: 999px;
    background: var(--border);
  }

  .dp-cell {
    min-height: 2.5rem;
  }

  .dp-grid--months .dp-cell,
  .dp-grid--years .dp-cell {
    min-height: 2.75rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .dp-panel {
    width: min(100%, 22rem);
  }

  .dp-cell {
    min-height: 2.375rem;
  }
}