/*!
 * Multi-Calendar DatePicker CSS v1.0.0
 * Comprehensive styling for Gregorian, Persian (Jalaali), and Hijri (Islamic) calendars
 * Supporting RTL layouts, light/dark themes, and responsive design
 */

/* Base Variables */
:root {
  /* Light Theme Colors */
  --mcdp-bg: #ffffff;
  --mcdp-border: #dee2e6;
  --mcdp-text: #212529;
  --mcdp-text-muted: #6c757d;
  --mcdp-primary: #007bff;
  --mcdp-primary-hover: #0056b3;
  --mcdp-secondary: #6c757d;
  --mcdp-success: #28a745;
  --mcdp-danger: #dc3545;
  --mcdp-warning: #ffc107;
  --mcdp-info: #17a2b8;
  --mcdp-light: #f8f9fa;
  --mcdp-dark: #343a40;
  
  /* Shadow */
  --mcdp-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15);
  --mcdp-shadow-sm: 0 .125rem .25rem rgba(0, 0, 0, .075);
  
  /* Border radius */
  --mcdp-border-radius: 0.375rem;
  --mcdp-border-radius-sm: 0.25rem;
  
  /* Spacing */
  --mcdp-spacer: 1rem;
  --mcdp-spacer-sm: 0.5rem;
  
  /* Font sizes */
  --mcdp-font-size-base: 1rem;
  --mcdp-font-size-sm: 0.875rem;
  --mcdp-font-size-xs: 0.75rem;
  
  /* Transitions */
  --mcdp-transition: all 0.2s ease-in-out;
}

/* Dark Theme Variables */
.mcdp-theme-dark {
  --mcdp-bg: #2d3748;
  --mcdp-border: #4a5568;
  --mcdp-text: #e2e8f0;
  --mcdp-text-muted: #a0aec0;
  --mcdp-primary: #3182ce;
  --mcdp-primary-hover: #2c5282;
  --mcdp-secondary: #718096;
  --mcdp-light: #4a5568;
  --mcdp-dark: #1a202c;
}

/* Main Picker Container */
.mcdp-picker {
  position: absolute;
  background: var(--mcdp-bg);
  border: 1px solid var(--mcdp-border);
  border-radius: var(--mcdp-border-radius);
  box-shadow: var(--mcdp-shadow);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--mcdp-text);
  user-select: none;
  z-index: 9999;
  min-width: 280px;
  max-width: 400px;
}

/* RTL Support */
.mcdp-picker.mcdp-rtl {
  direction: rtl;
  text-align: right;
  font-family: Tahoma, "Iranian Sans", "Droid Arabic Naskh", "B Nazanin", Arial, sans-serif;
}

.mcdp-picker.mcdp-rtl .mcdp-prev-btn::before {
  transform: scaleX(-1) rotate(-135deg);
}

.mcdp-picker.mcdp-rtl .mcdp-next-btn::before {
  transform: scaleX(-1) rotate(45deg);
}

.mcdp-picker.mcdp-rtl .mcdp-year-input {
  margin-left: 0;
  margin-right: 3px;
}

/* Header Section */
.mcdp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--mcdp-light);
  border-bottom: 1px solid var(--mcdp-border);
  border-radius: var(--mcdp-border-radius) var(--mcdp-border-radius) 0 0;
}

.mcdp-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--mcdp-text);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: var(--mcdp-border-radius-sm);
  transition: var(--mcdp-transition);
}

.mcdp-title:hover {
  background: var(--mcdp-bg);
  color: var(--mcdp-primary);
}

.mcdp-year-input {
  background: var(--mcdp-bg);
  border: 1px solid var(--mcdp-border);
  border-radius: var(--mcdp-border-radius-sm);
  padding: 1px 3px;
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  text-align: center;
  width: 60px;
  margin-left: 3px;
  transition: var(--mcdp-transition);
}

.mcdp-year-input:focus {
  outline: none;
  border-color: var(--mcdp-primary);
  background: var(--mcdp-bg);
  box-shadow: 0 0 0 1px var(--mcdp-primary);
}

.mcdp-year-input:hover {
  border-color: var(--mcdp-primary);
  background: var(--mcdp-bg);
}

.mcdp-year-input.mcdp-invalid {
  border-color: var(--mcdp-danger);
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--mcdp-danger);
}

.mcdp-year-input.mcdp-invalid:focus {
  box-shadow: 0 0 0 1px var(--mcdp-danger);
}

/* Ensure number input spinners are always visible */
.mcdp-year-input,
.mcdp-time-unit input[type="number"] {
  -webkit-appearance: textfield;
  -moz-appearance: textfield;
  appearance: textfield;
}

.mcdp-year-input::-webkit-outer-spin-button,
.mcdp-year-input::-webkit-inner-spin-button,
.mcdp-time-unit input[type="number"]::-webkit-outer-spin-button,
.mcdp-time-unit input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: inner-spin-button;
  opacity: 1;
  height: 100%;
}

/* Custom RTL input class for better control */
.mcdp-rtl-input {
  direction: ltr;
  text-align: right;
}

.mcdp-prev-btn,
.mcdp-next-btn {
  background: transparent;
  border: none;
  padding: 3px;
  font-size: 16px;
  color: var(--mcdp-text);
  cursor: pointer;
  border-radius: var(--mcdp-border-radius-sm);
  transition: var(--mcdp-transition);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mcdp-prev-btn::before,
.mcdp-next-btn::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(-135deg);
}

.mcdp-next-btn::before {
  transform: rotate(45deg);
}

.mcdp-prev-btn:hover,
.mcdp-next-btn:hover {
  background: var(--mcdp-primary);
  color: white;
}

.mcdp-prev-btn:focus,
.mcdp-next-btn:focus {
  outline: 2px solid var(--mcdp-primary);
  outline-offset: 2px;
}

/* Calendar Section */
.mcdp-calendar {
  padding: 6px;
}

.mcdp-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 6px;
}

.mcdp-weekday {
  text-align: center;
  padding: 3px;
  font-size: 11px;
  font-weight: 600;
  color: var(--mcdp-text-muted);
  text-transform: uppercase;
}

.mcdp-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.mcdp-day {
  position: relative;
  padding: 3px;
  text-align: center;
  cursor: pointer;
  border-radius: var(--mcdp-border-radius-sm);
  transition: var(--mcdp-transition);
  min-height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 13px;
}

.mcdp-day:hover {
  background: var(--mcdp-light);
  color: var(--mcdp-primary);
}

.mcdp-day.mcdp-today {
  background: var(--mcdp-info);
  color: white;
  font-weight: 600;
}

.mcdp-day.mcdp-selected {
  background: var(--mcdp-primary);
  color: white;
  font-weight: 600;
}

.mcdp-day.mcdp-selected:hover {
  background: var(--mcdp-primary-hover);
}

.mcdp-day.mcdp-other-month {
  color: var(--mcdp-text-muted);
  opacity: 0.5;
}

.mcdp-day.mcdp-disabled {
  color: var(--mcdp-text-muted);
  cursor: not-allowed;
  opacity: 0.4;
}

.mcdp-day.mcdp-disabled:hover {
  background: transparent;
  color: var(--mcdp-text-muted);
}

.mcdp-day:focus {
  outline: 2px solid var(--mcdp-primary);
  outline-offset: -2px;
}

/* Time Picker Section */
.mcdp-time-picker {
  border-top: 1px solid var(--mcdp-border);
  padding: 6px;
  background: var(--mcdp-light);
}

.mcdp-time-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.mcdp-time-unit {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
}

.mcdp-time-unit label {
  font-size: 11px;
  font-weight: 500;
  color: var(--mcdp-text-muted);
  text-transform: uppercase;
  margin-bottom: 0;
  min-width: 30px;
  white-space: nowrap;
}

.mcdp-time-unit input {
  width: 50px;
  padding: 0;
  border: 1px solid var(--mcdp-border);
  border-radius: 3px;
  text-align: center;
  font-size: 12px;
  background: var(--mcdp-white);
  color: var(--mcdp-text);
}

.mcdp-time-unit input:focus {
  outline: none;
  border-color: var(--mcdp-primary);
  box-shadow: 0 0 0 1px var(--mcdp-primary-light);
}

.mcdp-time-unit input:invalid {
  border-color: var(--mcdp-danger);
  background-color: rgba(220, 53, 69, 0.1);
}

.mcdp-time-unit input:valid {
  border-color: var(--mcdp-success);
}

/* Manual Input Validation Feedback */
.mcdp-element.mcdp-corrected {
  border-color: var(--mcdp-warning) !important;
  background-color: rgba(255, 193, 7, 0.1) !important;
  animation: mcdp-corrected-pulse 0.5s ease-in-out;
}

.mcdp-element.mcdp-invalid {
  border-color: var(--mcdp-danger) !important;
  background-color: rgba(220, 53, 69, 0.1) !important;
  animation: mcdp-invalid-shake 0.5s ease-in-out;
}

@keyframes mcdp-corrected-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

@keyframes mcdp-invalid-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

.mcdp-ampm {
  padding: 2px 6px;
  border: 1px solid var(--mcdp-border);
  border-radius: 3px;
  background: var(--mcdp-white);
  color: var(--mcdp-text);
  cursor: pointer;
  font-size: 11px;
  min-width: 30px;
  text-align: center;
}

.mcdp-ampm:hover {
  background: var(--mcdp-light);
}

/* Footer Section */
.mcdp-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--mcdp-spacer-sm);
  padding: 6px 10px;
  border-top: 1px solid var(--mcdp-border);
  background: var(--mcdp-light);
  border-radius: 0 0 var(--mcdp-border-radius) var(--mcdp-border-radius);
}

.mcdp-footer button {
  flex: 1;
  padding: 4px 8px;
  border: 1px solid var(--mcdp-border);
  border-radius: var(--mcdp-border-radius-sm);
  background: var(--mcdp-bg);
  color: var(--mcdp-text);
  font-size: 11px;
  cursor: pointer;
  transition: var(--mcdp-transition);
}

.mcdp-footer button:hover {
  background: var(--mcdp-light);
  border-color: var(--mcdp-primary);
  color: var(--mcdp-primary);
}

.mcdp-today-btn:hover {
  background: var(--mcdp-info);
  border-color: var(--mcdp-info);
  color: white;
}

.mcdp-clear-btn:hover {
  background: var(--mcdp-warning);
  border-color: var(--mcdp-warning);
  color: white;
}

.mcdp-close-btn:hover {
  background: var(--mcdp-secondary);
  border-color: var(--mcdp-secondary);
  color: white;
}

.mcdp-footer button:focus {
  outline: 2px solid var(--mcdp-primary);
  outline-offset: -2px;
}

/* Responsive Design */
@media (max-width: 576px) {
  .mcdp-picker {
    min-width: 260px;
    font-size: var(--mcdp-font-size-sm);
  }
  
  .mcdp-header {
    padding: 0.375rem 0.75rem;
  }
  
  .mcdp-title {
    font-size: var(--mcdp-font-size-sm);
  }
  
  .mcdp-prev-btn,
  .mcdp-next-btn {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }
  
  .mcdp-day {
    min-height: 2rem;
    padding: 0.25rem;
    font-size: var(--mcdp-font-size-sm);
  }
  
  .mcdp-time-controls {
    flex-wrap: wrap;
  }
  
  .mcdp-time-unit input {
    width: 2.5rem;
  }
  
  /* Ensure number input spinners are visible on mobile */
  .mcdp-year-input,
  .mcdp-time-unit input[type="number"] {
    -webkit-appearance: textfield;
    -moz-appearance: textfield;
    appearance: textfield;
  }
  
  .mcdp-year-input::-webkit-outer-spin-button,
  .mcdp-year-input::-webkit-inner-spin-button,
  .mcdp-time-unit input[type="number"]::-webkit-outer-spin-button,
  .mcdp-time-unit input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: inner-spin-button;
    opacity: 1;
    height: 100%;
  }
  
  .mcdp-footer {
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .mcdp-footer button {
    padding: 0.375rem;
  }
}

/* High Contrast Support */
@media (prefers-contrast: high) {
  .mcdp-picker {
    border-width: 2px;
  }
  
  .mcdp-day:focus,
  .mcdp-prev-btn:focus,
  .mcdp-next-btn:focus,
  .mcdp-footer button:focus {
    outline-width: 3px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .mcdp-picker *,
  .mcdp-picker *::before,
  .mcdp-picker *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  .mcdp-picker {
    display: none !important;
  }
}

/* Animation Classes */
.mcdp-picker.mcdp-fade-in {
  animation: mcdpFadeIn 0.15s ease-out;
}

.mcdp-picker.mcdp-fade-out {
  animation: mcdpFadeOut 0.15s ease-out;
}

@keyframes mcdpFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mcdpFadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

/* Persian/Farsi Font Optimization */
.mcdp-picker.mcdp-rtl {
  font-family: "Vazirmatn", "IRANSans", "Tahoma", "Iranian Sans", "Droid Arabic Naskh", "B Nazanin", Arial, sans-serif;
}

/* Arabic Font Optimization */
.mcdp-picker.mcdp-rtl[data-calendar="hijri"] {
  font-family: "Noto Sans Arabic", "Droid Arabic Naskh", "Arabic Typesetting", "Geeza Pro", "Traditional Arabic", "Simplified Arabic", Tahoma, Arial, sans-serif;
}

/* Input Field Enhancement */
input.mcdp-input {
  border: 1px solid var(--mcdp-border);
  border-radius: var(--mcdp-border-radius-sm);
  padding: 0.375rem 0.75rem;
  font-size: var(--mcdp-font-size-base);
  transition: var(--mcdp-transition);
}

input.mcdp-input:focus {
  outline: none;
  border-color: var(--mcdp-primary);
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

input.mcdp-input.mcdp-rtl {
  direction: rtl;
  text-align: right;
}

/* Error States */
.mcdp-picker.mcdp-error {
  border-color: var(--mcdp-danger);
}

.mcdp-day.mcdp-error {
  background: var(--mcdp-danger);
  color: white;
}

.mcdp-error-message {
  color: var(--mcdp-danger);
  font-size: var(--mcdp-font-size-sm);
  margin-top: 0.25rem;
}

/* Loading States */
.mcdp-picker.mcdp-loading {
  position: relative;
  pointer-events: none;
}

.mcdp-picker.mcdp-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--mcdp-border-radius);
}

.mcdp-loading-spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--mcdp-border);
  border-top: 2px solid var(--mcdp-primary);
  border-radius: 50%;
  animation: mcdpSpin 1s linear infinite;
}

@keyframes mcdpSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Month/Year Picker (Future Enhancement) */
.mcdp-month-picker,
.mcdp-year-picker {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--mcdp-bg);
  border-radius: var(--mcdp-border-radius);
  padding: var(--mcdp-spacer);
}

.mcdp-month-grid,
.mcdp-year-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--mcdp-spacer-sm);
}

.mcdp-month-item,
.mcdp-year-item {
  padding: var(--mcdp-spacer-sm);
  text-align: center;
  cursor: pointer;
  border-radius: var(--mcdp-border-radius-sm);
  transition: var(--mcdp-transition);
}

.mcdp-month-item:hover,
.mcdp-year-item:hover {
  background: var(--mcdp-light);
  color: var(--mcdp-primary);
}

.mcdp-month-item.mcdp-selected,
.mcdp-year-item.mcdp-selected {
  background: var(--mcdp-primary);
  color: white;
}

/* Utilities */
.mcdp-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.mcdp-d-none {
  display: none !important;
}

.mcdp-d-block {
  display: block !important;
}

.mcdp-d-flex {
  display: flex !important;
}

.mcdp-justify-content-center {
  justify-content: center !important;
}

.mcdp-align-items-center {
  align-items: center !important;
}

.mcdp-text-center {
  text-align: center !important;
}

.mcdp-text-right {
  text-align: right !important;
}

.mcdp-text-left {
  text-align: left !important;
}

/* Focus Visible Polyfill */
.js-focus-visible .mcdp-day:focus:not(.focus-visible),
.js-focus-visible .mcdp-prev-btn:focus:not(.focus-visible),
.js-focus-visible .mcdp-next-btn:focus:not(.focus-visible),
.js-focus-visible .mcdp-footer button:focus:not(.focus-visible) {
  outline: none;
}

/* Custom Scrollbar for Time Pickers (Future Enhancement) */
.mcdp-time-scroll::-webkit-scrollbar {
  width: 6px;
}

.mcdp-time-scroll::-webkit-scrollbar-track {
  background: var(--mcdp-light);
}

.mcdp-time-scroll::-webkit-scrollbar-thumb {
  background: var(--mcdp-border);
  border-radius: 3px;
}

.mcdp-time-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--mcdp-secondary);
}

/* Persian Number Support */
.mcdp-picker.mcdp-persian-numbers .mcdp-day,
.mcdp-picker.mcdp-persian-numbers .mcdp-title,
.mcdp-picker.mcdp-persian-numbers input {
  font-family: "Vazirmatn", "IRANSans", Tahoma, sans-serif;
}

/* Arabic Number Support */
.mcdp-picker.mcdp-arabic-numbers .mcdp-day,
.mcdp-picker.mcdp-arabic-numbers .mcdp-title,
.mcdp-picker.mcdp-arabic-numbers input {
  font-family: "Noto Sans Arabic", "Droid Arabic Naskh", Tahoma, sans-serif;
}