/* ==========================================================================
   Custom Date Picker System (Universal)
   Use on any page with: datepicker.css + datepicker.js + .cdp-* markup
   ========================================================================== */

:root {
  /* Color Tokens */
  --cdp-primary: #2563eb;
  --cdp-primary-hover: #1d4ed8;
  --cdp-primary-light: rgba(37, 99, 235, 0.12);

  --cdp-success: #10b981;
  --cdp-success-hover: #059669;

  --cdp-danger: #ef4444;
  --cdp-danger-hover: #dc2626;

  --cdp-today: #f97316;
  --cdp-today-bg: rgba(249, 115, 22, 0.1);

  --cdp-sat-bg: #eff6ff;
  --cdp-sat-color: #1e40af;

  --cdp-sun-bg: #fef2f2;
  --cdp-sun-color: #991b1b;

  --cdp-background: #ffffff;
  --cdp-surface: #f8fafc;
  --cdp-surface-hover: #f1f5f9;

  --cdp-text: #0f172a;
  --cdp-text-muted: #64748b;
  --cdp-text-light: #94a3b8;

  --cdp-disabled-bg: #f1f5f9;
  --cdp-disabled-text: #cbd5e1;

  --cdp-border: #e2e8f0;
  --cdp-border-focus: #3b82f6;

  --cdp-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  --cdp-radius-sm: 8px;
  --cdp-radius-md: 12px;
  --cdp-radius-lg: 16px;
  --cdp-radius-full: 9999px;

  --cdp-glass-bg: rgba(255, 255, 255, 0.96);
  --cdp-glass-border: rgba(226, 232, 240, 0.9);
  --cdp-glass-blur: blur(16px);

  --cdp-anim-duration: 200ms;
  --cdp-anim-ease: cubic-bezier(0.16, 1, 0.3, 1);

  --cdp-cell-size: 36px;
  --cdp-font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Back-compat aliases used by older class rules */
  --primary: var(--cdp-primary);
  --primary-hover: var(--cdp-primary-hover);
  --primary-light: var(--cdp-primary-light);
  --success: var(--cdp-success);
  --success-hover: var(--cdp-success-hover);
  --danger: var(--cdp-danger);
  --danger-hover: var(--cdp-danger-hover);
  --today: var(--cdp-today);
  --today-bg: var(--cdp-today-bg);
  --sat-bg: var(--cdp-sat-bg);
  --sat-color: var(--cdp-sat-color);
  --sun-bg: var(--cdp-sun-bg);
  --sun-color: var(--cdp-sun-color);
  --background: var(--cdp-background);
  --surface: var(--cdp-surface);
  --surface-hover: var(--cdp-surface-hover);
  --text: var(--cdp-text);
  --text-muted: var(--cdp-text-muted);
  --text-light: var(--cdp-text-light);
  --disabled-bg: var(--cdp-disabled-bg);
  --disabled-text: var(--cdp-disabled-text);
  --border: var(--cdp-border);
  --border-focus: var(--cdp-border-focus);
  --shadow: var(--cdp-shadow);
  --radius-sm: var(--cdp-radius-sm);
  --radius-md: var(--cdp-radius-md);
  --radius-lg: var(--cdp-radius-lg);
  --radius-full: var(--cdp-radius-full);
  --glass-bg: var(--cdp-glass-bg);
  --glass-border: var(--cdp-glass-border);
  --glass-blur: var(--cdp-glass-blur);
  --anim-duration: var(--cdp-anim-duration);
  --anim-ease: var(--cdp-anim-ease);
  --cell-size: var(--cdp-cell-size);
  --font-family: var(--cdp-font-family);
}

[data-theme="dark"] .cdp-calendar,
[data-theme="dark"] .cdp-input-wrapper,
.dark-theme .cdp-calendar,
.dark-theme .cdp-input-wrapper {
  --cdp-primary: #3b82f6;
  --cdp-primary-hover: #60a5fa;
  --cdp-primary-light: rgba(59, 130, 246, 0.2);
  --cdp-success: #10b981;
  --cdp-danger: #f87171;
  --cdp-today: #fb923c;
  --cdp-today-bg: rgba(251, 146, 60, 0.15);
  --cdp-sat-bg: rgba(30, 58, 138, 0.25);
  --cdp-sat-color: #93c5fd;
  --cdp-sun-bg: rgba(127, 29, 29, 0.25);
  --cdp-sun-color: #fca5a5;
  --cdp-background: #0f172a;
  --cdp-surface: #1e293b;
  --cdp-surface-hover: #334155;
  --cdp-text: #f8fafc;
  --cdp-text-muted: #94a3b8;
  --cdp-text-light: #64748b;
  --cdp-disabled-bg: #1e293b;
  --cdp-disabled-text: #475569;
  --cdp-border: #334155;
  --cdp-border-focus: #60a5fa;
  --cdp-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --cdp-glass-bg: rgba(15, 23, 42, 0.92);
  --cdp-glass-border: rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   Calendar popup (compact default — works in sidebars & full pages)
   -------------------------------------------------------------------------- */
.cdp-calendar {
  position: absolute;
  z-index: 100050;
  width: 300px;
  max-width: min(300px, calc(100vw - 24px));
  background: var(--cdp-glass-bg);
  backdrop-filter: var(--cdp-glass-blur);
  -webkit-backdrop-filter: var(--cdp-glass-blur);
  border: 1px solid var(--cdp-glass-border);
  border-radius: var(--cdp-radius-lg);
  box-shadow: var(--cdp-shadow);
  color: var(--cdp-text);
  font-family: var(--cdp-font-family);
  font-size: 14px;
  line-height: 1.5;
  padding: 12px;
  user-select: none;
  -webkit-user-select: none;
  box-sizing: border-box;
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  pointer-events: none;
  transition: opacity var(--cdp-anim-duration) var(--cdp-anim-ease),
              transform var(--cdp-anim-duration) var(--cdp-anim-ease);
}

.cdp-calendar * {
  box-sizing: border-box;
}

.cdp-calendar.cdp-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.cdp-calendar.cdp-positioned-above {
  transform: translateY(8px) scale(0.96);
}

.cdp-calendar.cdp-positioned-above.cdp-open {
  transform: translateY(0) scale(1);
}

/* Header */
.cdp-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

.cdp-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cdp-title-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cdp-month-title,
.cdp-year-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--cdp-text);
  background: transparent;
  border: none;
  padding: 2px 6px;
  border-radius: var(--cdp-radius-sm);
  cursor: pointer;
  transition: background-color var(--cdp-anim-duration) ease;
}

.cdp-month-title:hover,
.cdp-year-title:hover {
  background: var(--cdp-surface-hover);
}

.cdp-nav-section {
  display: flex;
  align-items: center;
  gap: 2px;
}

.cdp-btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  background: var(--cdp-surface);
  border: 1px solid var(--cdp-border);
  border-radius: var(--cdp-radius-sm);
  color: var(--cdp-text-muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: bold;
  transition: all var(--cdp-anim-duration) ease;
}

.cdp-btn-nav:hover:not(:disabled) {
  background: var(--cdp-primary-light);
  color: var(--cdp-primary);
  border-color: var(--cdp-primary);
}

.cdp-btn-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Weekdays */
.cdp-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-weight: 600;
  font-size: 11px;
  color: var(--cdp-text-muted);
  margin-bottom: 8px;
}

.cdp-weekday {
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cdp-weekday.cdp-sat { color: var(--cdp-sat-color); }
.cdp-weekday.cdp-sun { color: var(--cdp-sun-color); }

/* Days grid */
.cdp-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cdp-day-cell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--cdp-cell-size);
  aspect-ratio: 1 / 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--cdp-radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--cdp-text);
  cursor: pointer;
  outline: none;
  transition: all var(--cdp-anim-duration) var(--cdp-anim-ease);
}

.cdp-day-cell.cdp-other-month {
  color: var(--cdp-text-light);
  opacity: 0.4;
}

.cdp-day-cell.cdp-sat:not(.cdp-disabled):not(.cdp-blocked):not(.cdp-selected) {
  background-color: var(--cdp-sat-bg);
  color: var(--cdp-sat-color);
}

.cdp-day-cell.cdp-sun:not(.cdp-disabled):not(.cdp-blocked):not(.cdp-selected) {
  background-color: var(--cdp-sun-bg);
  color: var(--cdp-sun-color);
}

/* Available dates — always green */
.cdp-day-cell.cdp-available:not(.cdp-disabled):not(.cdp-blocked):not(.cdp-selected) {
  background-color: var(--cdp-success);
  color: #ffffff;
}

.cdp-day-cell.cdp-available:not(.cdp-disabled):not(.cdp-blocked):not(.cdp-selected):hover {
  background-color: var(--cdp-success-hover);
  color: #ffffff;
  transform: scale(1.08);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.cdp-day-cell.cdp-today {
  border: 2px solid var(--cdp-today) !important;
  font-weight: 700;
}

.cdp-day-cell.cdp-today:not(.cdp-selected):not(.cdp-blocked) {
  color: var(--cdp-today);
}

.cdp-day-cell.cdp-selected {
  background-color: var(--cdp-primary) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  transform: scale(1.05);
}

.cdp-day-cell.cdp-selected:hover {
  background-color: var(--cdp-primary-hover) !important;
}

.cdp-day-cell.cdp-blocked {
  background-color: var(--cdp-danger) !important;
  color: #ffffff !important;
  cursor: not-allowed !important;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.cdp-day-cell.cdp-disabled {
  background-color: var(--cdp-disabled-bg) !important;
  color: var(--cdp-disabled-text) !important;
  cursor: not-allowed !important;
  opacity: 0.6;
  border-color: transparent !important;
}

.cdp-day-cell:focus-visible {
  outline: 2px solid var(--cdp-border-focus);
  outline-offset: 2px;
  z-index: 2;
}

/* Tooltip */
.cdp-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #0f172a;
  color: #ffffff;
  padding: 6px 10px;
  border-radius: var(--cdp-radius-sm);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  z-index: 1000000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.cdp-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: #0f172a transparent transparent transparent;
}

.cdp-day-cell.cdp-blocked:hover .cdp-tooltip,
.cdp-day-cell.cdp-blocked:focus .cdp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Footer */
.cdp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--cdp-border);
  gap: 8px;
}

.cdp-btn-action {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 4px 8px;
  border-radius: var(--cdp-radius-md);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--cdp-border);
  background: var(--cdp-surface);
  color: var(--cdp-text);
  transition: all var(--cdp-anim-duration) ease;
}

.cdp-btn-action:hover {
  background: var(--cdp-surface-hover);
}

.cdp-btn-today {
  background: var(--cdp-today-bg);
  color: var(--cdp-today);
  border-color: rgba(249, 115, 22, 0.3);
}

.cdp-btn-today:hover {
  background: var(--cdp-today);
  color: #ffffff;
}

.cdp-btn-clear {
  color: var(--cdp-danger);
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
}

.cdp-btn-clear:hover {
  background: var(--cdp-danger);
  color: #ffffff;
}

.cdp-btn-close {
  color: var(--cdp-text-muted);
}

.cdp-btn-close:hover {
  background: var(--cdp-surface-hover);
  color: var(--cdp-text);
}

/* --------------------------------------------------------------------------
   Input + icon (icon sits inside the field on every page)
   -------------------------------------------------------------------------- */
.cdp-input-wrapper {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.cdp-input-field {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: auto;
  min-height: 44px;
  padding: 10px 42px 10px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--cdp-text);
  background: var(--cdp-background);
  border: 1px solid var(--cdp-border);
  border-radius: var(--cdp-radius-sm);
  box-shadow: none;
  cursor: pointer;
  outline: none;
  box-sizing: border-box;
  transition: border-color var(--cdp-anim-duration) ease,
              box-shadow var(--cdp-anim-duration) ease;
}

.cdp-input-field:hover {
  border-color: var(--cdp-text-light);
}

.cdp-input-field:focus,
.cdp-input-field.cdp-active {
  border-color: var(--cdp-primary);
  box-shadow: 0 0 0 3px var(--cdp-primary-light);
}

.cdp-input-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  margin: 0;
  color: var(--cdp-text-muted);
  pointer-events: auto;
  cursor: pointer;
  z-index: 3;
  transition: color var(--cdp-anim-duration) ease;
}

.cdp-input-field:focus ~ .cdp-input-icon,
.cdp-input-field.cdp-active ~ .cdp-input-icon,
.cdp-input-wrapper:hover .cdp-input-icon {
  color: var(--cdp-primary);
}

/* Optional legend under date field */
.cdp-date-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--cdp-text-muted);
  line-height: 1.3;
}

.cdp-date-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.cdp-date-legend i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.cdp-date-legend .lg-available { background: var(--cdp-success); }
.cdp-date-legend .lg-selected { background: var(--cdp-primary); }
.cdp-date-legend .lg-booked { background: var(--cdp-danger); }
.cdp-date-legend .lg-today {
  border: 2px solid var(--cdp-today);
  background: transparent;
  box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1199px) {
  .cdp-calendar {
    width: 290px;
    max-width: min(290px, calc(100vw - 30px));
  }
}

@media (max-width: 991px) {
  .cdp-calendar {
    width: min(320px, calc(100vw - 30px));
    max-width: calc(100vw - 30px);
  }
}

@media (max-width: 767px) {
  .cdp-calendar {
    width: calc(100vw - 40px);
    max-width: calc(100vw - 40px);
    padding: 12px;
  }

  .cdp-day-cell {
    min-height: 40px;
    font-size: 14px;
  }

  .cdp-btn-nav {
    width: 34px;
    height: 34px;
  }

  .cdp-btn-action {
    min-height: 40px;
  }

  .cdp-input-field {
    min-height: 44px;
    font-size: 16px; /* avoid iOS zoom */
  }
}

@media (max-width: 480px) {
  .cdp-calendar {
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    padding: 10px;
  }

  .cdp-day-cell {
    min-height: 42px;
    font-size: 14px;
  }

  .cdp-month-title,
  .cdp-year-title {
    font-size: 13px;
  }

  .cdp-btn-action {
    min-height: 44px;
    font-size: 12px;
    padding: 6px 8px;
  }
}