/* ═══════════════════════════════════════════════════════════════════════════
   GURPURAB CALENDAR — iOS Calendar App Style
   Clean, minimal, native iOS-inspired design
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* iOS System Colors */
  --ios-red: #FF3B30;
  --ios-blue: #007AFF;
  --ios-green: #34C759;
  --ios-orange: #FF9500;
  --ios-yellow: #FFCC00;
  --ios-purple: #AF52DE;
  --ios-pink: #FF2D55;
  --ios-teal: #5AC8FA;
  --ios-indigo: #5856D6;

  /* Brand Colors */
  --kesri: #FF6B00;

  /* iOS Light Theme */
  --bg-primary: #F2F2F7;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F2F2F7;
  --separator: #C6C6C8;
  --separator-light: #E5E5EA;

  /* Text Colors */
  --text-primary: #000000;
  --text-secondary: #8E8E93;
  --text-tertiary: #C7C7CC;
  --text-white: #FFFFFF;

  /* Calendar Specific */
  --today-bg: #FF3B30;
  --today-text: #FFFFFF;
  --other-month-text: #C7C7CC;
  --weekday-text: #8E8E93;

  /* Spacing - iOS Standards */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-xxl: 24px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-ios: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;

  /* Safe Areas */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Dark Theme */
html.dark-mode,
[data-theme="dark"] {
  --bg-primary: #000000;
  --bg-secondary: #1C1C1E;
  --bg-tertiary: #2C2C2E;
  --separator: #38383A;
  --separator-light: #48484A;
  --text-primary: #FFFFFF;
  --text-secondary: #8E8E93;
  --text-tertiary: #636366;
  --other-month-text: #636366;
}

/* ───────────────────────────────────────────────────────────────────────────
   BASE STYLES
─────────────────────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.4;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ───────────────────────────────────────────────────────────────────────────
   NAVIGATION BAR - iOS Style
─────────────────────────────────────────────────────────────────────────── */

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--safe-top) + var(--space-sm)) var(--space-lg) var(--space-md);
  background: var(--bg-primary);
  border-bottom: 0.5px solid var(--separator-light);
}

.nav-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.4px;
  color: var(--text-primary);
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-sm);
  border: none;
  background: transparent;
  color: var(--ios-blue);
  font-size: 17px;
  font-weight: 400;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity var(--duration-fast);
}

.nav-btn:active {
  opacity: 0.5;
}

.nav-btn .chevron {
  font-size: 22px;
  font-weight: 300;
  margin-right: -2px;
}

.nav-btn.primary {
  font-weight: 600;
}

/* ───────────────────────────────────────────────────────────────────────────
   MAIN CONTAINER
─────────────────────────────────────────────────────────────────────────── */

.container {
  max-width: 600px;
  margin: 0 auto;
  padding-bottom: calc(var(--space-xxl) + var(--safe-bottom));
}

/* ───────────────────────────────────────────────────────────────────────────
   TODAY CARD - iOS Style Section
─────────────────────────────────────────────────────────────────────────── */

.section {
  background: var(--bg-secondary);
  margin-bottom: var(--space-lg);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-tertiary);
}

.section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.08px;
  color: var(--text-secondary);
}

.today-card {
  padding: var(--space-lg);
  background: var(--bg-secondary);
}

.today-nk {
  font-family: 'Noto Sans Gurmukhi', system-ui, sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: var(--space-xs);
}

.today-g {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
}

/* ───────────────────────────────────────────────────────────────────────────
   CALENDAR - iOS Style
─────────────────────────────────────────────────────────────────────────── */

.calendar-section {
  background: var(--bg-secondary);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
}

.month-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.month-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  color: var(--ios-blue);
  font-size: 18px;
  font-weight: 400;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--duration-fast);
}

.month-btn:active {
  background: var(--separator);
}

.month-label {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 140px;
  text-align: center;
}

/* Weekday Headers */
.weekday-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 0.5px solid var(--separator-light);
}

.weekday-label {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--weekday-text);
  padding: var(--space-xs) 0;
}

/* Calendar Grid */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: var(--space-sm) var(--space-lg) var(--space-lg);
  gap: 2px;
}

.calendar-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  aspect-ratio: 1;
  padding: var(--space-xs);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.calendar-day:active {
  background: var(--bg-tertiary);
}

.calendar-day.other-month {
  color: var(--other-month-text);
}

.calendar-day.today {
  background: var(--today-bg);
  color: var(--today-text);
}

.calendar-day.today .day-number {
  color: var(--today-text);
  font-weight: 700;
}

.calendar-day.today .event-dot {
  background: var(--today-text) !important;
}

.day-number {
  font-size: 17px;
  font-weight: 500;
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.day-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  margin-top: 2px;
  height: 8px;
}

.event-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ───────────────────────────────────────────────────────────────────────────
   UPCOMING EVENTS LIST - iOS Table Style
─────────────────────────────────────────────────────────────────────────── */

.upcoming-section {
  background: var(--bg-secondary);
  margin-top: var(--space-lg);
}

.upcoming-list {
  padding: 0;
}

.event-row {
  border-bottom: 0.5px solid var(--separator-light);
  cursor: pointer;
  transition: background var(--duration-fast);
  -webkit-tap-highlight-color: transparent;
}

.event-row:last-child {
  border-bottom: none;
}

.event-row:active {
  background: var(--bg-tertiary);
}

.event-row.event-today {
  background: rgba(255, 59, 48, 0.08);
}

.event-row.event-today:active {
  background: rgba(255, 59, 48, 0.15);
}

.event-main {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
}

.event-row .event-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
}

.event-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.event-title {
  font-size: 17px;
  font-weight: 400;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-row.event-today .event-title {
  font-weight: 600;
  color: var(--ios-red);
}

.event-meta {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  text-transform: capitalize;
}

.event-when {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.event-row.event-today .event-when {
  color: var(--ios-red);
  font-weight: 600;
}

/* Event Detail Expansion */
.event-detail {
  padding: 0 var(--space-lg) var(--space-lg) calc(var(--space-lg) + 20px);
  animation: slideDown var(--duration-normal) var(--ease-ios);
}

.event-detail.hidden {
  display: none;
}

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

.event-name-pa {
  font-family: 'Noto Sans Gurmukhi', system-ui, sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.event-date-pair {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: 13px;
  color: var(--text-secondary);
}

.event-date-pair span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Empty State */
.empty-state {
  padding: var(--space-xxl) var(--space-lg);
  text-align: center;
  font-size: 15px;
  color: var(--text-secondary);
}

/* ───────────────────────────────────────────────────────────────────────────
   LOADER
─────────────────────────────────────────────────────────────────────────── */

#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--separator-light);
  border-top-color: var(--ios-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  margin-top: var(--space-md);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ───────────────────────────────────────────────────────────────────────────
   RESPONSIVE - Larger Screens
─────────────────────────────────────────────────────────────────────────── */

@media (min-width: 768px) {
  .container {
    max-width: 700px;
    padding: var(--space-lg);
  }

  .section {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }

  .calendar-section {
    border-radius: var(--radius-xl);
  }

  .upcoming-section {
    border-radius: var(--radius-xl);
    margin-top: var(--space-xl);
  }
}

/* ───────────────────────────────────────────────────────────────────────────
   FONT LOADING
─────────────────────────────────────────────────────────────────────────── */

/* Noto Sans Gurmukhi for Punjabi text */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Gurmukhi:wght@400;500;600;700&display=swap');

/* ───────────────────────────────────────────────────────────────────────────
   SETTINGS MODAL
─────────────────────────────────────────────────────────────────────────── */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal), visibility var(--duration-normal);
}

.modal-backdrop.visible {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  z-index: 510;
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-ios);
  max-height: 70vh;
  overflow-y: auto;
}

.modal.visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .modal {
    bottom: auto;
    top: 50%;
    left: 50%;
    right: auto;
    transform: translate(-50%, -50%) scale(0.95);
    width: 400px;
    max-width: 90vw;
    border-radius: var(--radius-xl);
    opacity: 0;
  }

  .modal.visible {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 0.5px solid var(--separator-light);
}

.modal-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.modal-close:active {
  background: var(--separator);
}

.modal-body {
  padding: var(--space-lg);
}

.settings-section {
  margin-bottom: var(--space-xl);
}

.settings-section:last-child {
  margin-bottom: 0;
}

.settings-section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.08px;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-option {
  width: 100%;
  border: none;
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-weight: 500;
  font-size: 15px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--duration-fast);
  -webkit-tap-highlight-color: transparent;
  text-align: left;
}

.filter-option:active {
  transform: scale(0.98);
}

.filter-option.active {
  border-color: var(--ios-blue);
  background: rgba(0, 122, 255, 0.1);
  font-weight: 600;
}