/**
 * AGENDARIA — Sistema de Diseño iOS Premium
 * Tokens y Componentes Estilo Apple (Human Interface Guidelines)
 */

:root {
  /* Paleta iOS Modo Claro (por defecto) */
  --ios-bg-grouped: #F2F2F7;
  --ios-bg-card: #FFFFFF;
  --ios-bg-card-secondary: #F9F9FB;
  --ios-separator: rgba(60, 60, 67, 0.29);
  --ios-separator-opaque: #C6C6C8;
  --ios-hairline: rgba(0, 0, 0, 0.12);
  --ios-hairline-light: rgba(0, 0, 0, 0.06);

  --ios-text-primary: #000000;
  --ios-text-secondary: #3C3C43;
  --ios-text-tertiary: #8E8E93;
  --ios-text-placeholder: #C7C7CC;

  /* Colores de Sistema Apple */
  --ios-blue: #007AFF;
  --ios-blue-hover: #0062CC;
  --ios-blue-light: rgba(0, 122, 255, 0.12);
  --ios-green: #34C759;
  --ios-green-light: rgba(52, 199, 89, 0.14);
  --ios-orange: #FF9500;
  --ios-orange-light: rgba(255, 149, 0, 0.14);
  --ios-red: #FF3B30;
  --ios-red-light: rgba(255, 59, 48, 0.14);
  --ios-purple: #AF52DE;
  --ios-teal: #5AC8FA;
  --ios-gray-fill: rgba(120, 120, 128, 0.16);

  /* Glassmorphism */
  --ios-glass-bg: rgba(255, 255, 255, 0.82);
  --ios-glass-border: rgba(255, 255, 255, 0.4);

  /* Sombras de múltiples capas Apple */
  --ios-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --ios-shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.03);
  --ios-shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);

  /* Curvas de animación Apple Spring */
  --ios-ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
  --ios-duration: 250ms;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"],
  :root:not([data-theme="light"]) {
    --ios-bg-grouped: #000000;
    --ios-bg-card: #1C1C1E;
    --ios-bg-card-secondary: #2C2C2E;
    --ios-separator: rgba(84, 84, 88, 0.65);
    --ios-separator-opaque: #38383A;
    --ios-hairline: rgba(255, 255, 255, 0.12);
    --ios-hairline-light: rgba(255, 255, 255, 0.06);

    --ios-text-primary: #FFFFFF;
    --ios-text-secondary: rgba(235, 235, 245, 0.75);
    --ios-text-tertiary: #8E8E93;
    --ios-text-placeholder: #48484A;

    --ios-blue: #0A84FF;
    --ios-blue-hover: #409CFF;
    --ios-blue-light: rgba(10, 132, 255, 0.22);
    --ios-green: #30D158;
    --ios-green-light: rgba(48, 209, 88, 0.22);
    --ios-orange: #FF9F0A;
    --ios-orange-light: rgba(255, 159, 10, 0.22);
    --ios-red: #FF453A;
    --ios-red-light: rgba(255, 69, 58, 0.22);
    --ios-purple: #BF5AF2;
    --ios-teal: #64D2FF;
    --ios-gray-fill: rgba(120, 120, 128, 0.32);

    --ios-glass-bg: rgba(28, 28, 30, 0.82);
    --ios-glass-border: rgba(255, 255, 255, 0.1);

    --ios-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --ios-shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
    --ios-shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  --ios-bg-grouped: #000000;
  --ios-bg-card: #1C1C1E;
  --ios-bg-card-secondary: #2C2C2E;
  --ios-separator: rgba(84, 84, 88, 0.65);
  --ios-separator-opaque: #38383A;
  --ios-hairline: rgba(255, 255, 255, 0.12);
  --ios-hairline-light: rgba(255, 255, 255, 0.06);

  --ios-text-primary: #FFFFFF;
  --ios-text-secondary: rgba(235, 235, 245, 0.75);
  --ios-text-tertiary: #8E8E93;
  --ios-text-placeholder: #48484A;

  --ios-blue: #0A84FF;
  --ios-blue-hover: #409CFF;
  --ios-blue-light: rgba(10, 132, 255, 0.22);
  --ios-green: #30D158;
  --ios-green-light: rgba(48, 209, 88, 0.22);
  --ios-orange: #FF9F0A;
  --ios-orange-light: rgba(255, 159, 10, 0.22);
  --ios-red: #FF453A;
  --ios-red-light: rgba(255, 69, 58, 0.22);
  --ios-gray-fill: rgba(120, 120, 128, 0.32);

  --ios-glass-bg: rgba(28, 28, 30, 0.82);
  --ios-glass-border: rgba(255, 255, 255, 0.1);
}

/* =============================================================================
   TIPOGRAFÍA Y RESET NATIVO
   ============================================================================= */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", -apple-system-subheadline, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.47;
  color: var(--ios-text-primary);
  background-color: var(--ios-bg-grouped);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Escala Tipográfica iOS */
.ios-large-title {
  font-size: 34px;
  line-height: 41px;
  font-weight: 700;
  letter-spacing: 0.37px;
}

.ios-title-1 {
  font-size: 28px;
  line-height: 34px;
  font-weight: 700;
  letter-spacing: 0.36px;
}

.ios-title-2 {
  font-size: 22px;
  line-height: 28px;
  font-weight: 700;
  letter-spacing: 0.35px;
}

.ios-title-3 {
  font-size: 20px;
  line-height: 25px;
  font-weight: 600;
  letter-spacing: 0.38px;
}

.ios-headline {
  font-size: 17px;
  line-height: 22px;
  font-weight: 600;
  letter-spacing: -0.41px;
}

.ios-body {
  font-size: 17px;
  line-height: 22px;
  font-weight: 400;
  letter-spacing: -0.41px;
}

.ios-callout {
  font-size: 16px;
  line-height: 21px;
  font-weight: 400;
  letter-spacing: -0.32px;
}

.ios-subhead {
  font-size: 15px;
  line-height: 20px;
  font-weight: 400;
  letter-spacing: -0.24px;
}

.ios-footnote {
  font-size: 13px;
  line-height: 18px;
  font-weight: 400;
  letter-spacing: -0.08px;
  color: var(--ios-text-tertiary);
}

.ios-caption-1 {
  font-size: 12px;
  line-height: 16px;
  font-weight: 400;
}

.ios-caption-2 {
  font-size: 11px;
  line-height: 13px;
  font-weight: 400;
  letter-spacing: 0.07px;
}

/* =============================================================================
   GLASSMORPHISM & BARRAS
   ============================================================================= */
.ios-glass-bar {
  background: var(--ios-glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 0.5px solid var(--ios-hairline);
  position: sticky;
  top: 0;
  z-index: 40;
}

.ios-glass-tabbar {
  background: var(--ios-glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 0.5px solid var(--ios-hairline);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  padding-bottom: env(safe-area-inset-bottom, 16px);
}

/* =============================================================================
   CARDS & INSET GROUPED LISTS
   ============================================================================= */
.ios-card {
  background: var(--ios-bg-card);
  border-radius: 18px;
  box-shadow: var(--ios-shadow-sm);
  border: 0.5px solid var(--ios-hairline);
  overflow: hidden;
  transition: transform var(--ios-duration) var(--ios-ease-spring), box-shadow var(--ios-duration) ease;
}

.ios-inset-group {
  margin: 16px 0;
  border-radius: 14px;
  background: var(--ios-bg-card);
  overflow: hidden;
  box-shadow: var(--ios-shadow-sm);
  border: 0.5px solid var(--ios-hairline-light);
}

.ios-list-header {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--ios-text-tertiary);
  letter-spacing: 0.2px;
  padding: 0 16px 8px 16px;
}

.ios-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  background: var(--ios-bg-card);
  border-bottom: 0.5px solid var(--ios-hairline-light);
  min-height: 48px;
  text-decoration: none;
  color: inherit;
  transition: background-color 150ms ease;
}

.ios-list-item:last-child {
  border-bottom: none;
}

.ios-list-item:active {
  background-color: var(--ios-gray-fill);
}

/* =============================================================================
   BOTONES PILL
   ============================================================================= */
.ios-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.41px;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  transition: transform 120ms ease, opacity 120ms ease, background-color 150ms ease;
}

.ios-btn:active {
  transform: scale(0.97);
  opacity: 0.88;
}

.ios-btn-primary {
  background-color: var(--ios-blue);
  color: #FFFFFF;
}
.ios-btn-primary:hover {
  background-color: var(--ios-blue-hover);
}

.ios-btn-secondary {
  background-color: var(--ios-gray-fill);
  color: var(--ios-blue);
}

.ios-btn-destructive {
  background-color: var(--ios-red-light);
  color: var(--ios-red);
}

.ios-btn-sm {
  padding: 6px 14px;
  font-size: 14px;
  min-height: 32px;
}

.ios-btn-lg {
  padding: 14px 28px;
  font-size: 17px;
  font-weight: 600;
  min-height: 50px;
  width: 100%;
}

/* =============================================================================
   SEGMENTED CONTROL
   ============================================================================= */
.ios-segmented {
  display: inline-flex;
  background: var(--ios-gray-fill);
  padding: 3px;
  border-radius: 10px;
  position: relative;
  user-select: none;
}

.ios-segment-btn {
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ios-text-secondary);
  border-radius: 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all var(--ios-duration) var(--ios-ease-spring);
}

.ios-segment-btn.active {
  background: var(--ios-bg-card);
  color: var(--ios-text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 1px rgba(0, 0, 0, 0.08);
  font-weight: 600;
}

/* =============================================================================
   IOS TOGGLE SWITCH
   ============================================================================= */
.ios-switch {
  position: relative;
  display: inline-block;
  width: 51px;
  height: 31px;
}

.ios-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.ios-switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--ios-gray-fill);
  transition: background-color var(--ios-duration) var(--ios-ease-spring);
  border-radius: 31px;
}

.ios-switch-slider:before {
  position: absolute;
  content: "";
  height: 27px;
  width: 27px;
  left: 2px;
  bottom: 2px;
  background-color: #FFFFFF;
  transition: transform var(--ios-duration) var(--ios-ease-spring);
  border-radius: 50%;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15), 0 1px 1px rgba(0, 0, 0, 0.16);
}

.ios-switch input:checked + .ios-switch-slider {
  background-color: var(--ios-green);
}

.ios-switch input:checked + .ios-switch-slider:before {
  transform: translateX(20px);
}

/* =============================================================================
   FORM INPUTS ESTILO APPLE
   ============================================================================= */
.ios-input-group {
  margin-bottom: 16px;
}

.ios-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ios-text-secondary);
  margin-bottom: 6px;
}

.ios-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 17px;
  color: var(--ios-text-primary);
  background-color: var(--ios-bg-card);
  border: 1px solid var(--ios-hairline);
  border-radius: 12px;
  outline: none;
  transition: border-color var(--ios-duration) ease, box-shadow var(--ios-duration) ease;
}

.ios-input:focus {
  border-color: var(--ios-blue);
  box-shadow: 0 0 0 3px var(--ios-blue-light);
}

.ios-input::placeholder {
  color: var(--ios-text-tertiary);
}

/* =============================================================================
   BADGES & CHIPS
   ============================================================================= */
.ios-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.1px;
}

.ios-badge-blue {
  background: var(--ios-blue-light);
  color: var(--ios-blue);
}

.ios-badge-green {
  background: var(--ios-green-light);
  color: var(--ios-green);
}

.ios-badge-orange {
  background: var(--ios-orange-light);
  color: var(--ios-orange);
}

.ios-badge-red {
  background: var(--ios-red-light);
  color: var(--ios-red);
}

/* =============================================================================
   MODAL BOTTOM SHEET
   ============================================================================= */
.ios-bottom-sheet {
  background: var(--ios-bg-card);
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.15);
  border-top: 0.5px solid var(--ios-hairline);
  padding: 12px 20px 24px 20px;
}

.ios-sheet-handle {
  width: 36px;
  height: 5px;
  border-radius: 3px;
  background-color: var(--ios-separator-opaque);
  margin: 0 auto 16px auto;
}

/* =============================================================================
   OPTIMIZACIONES Y RESPONSIVE MÓVIL (APPLE HIG)
   ============================================================================= */
@media (max-width: 640px) {
  body {
    font-size: 16px;
  }
  .ios-large-title {
    font-size: 26px;
    line-height: 32px;
    letter-spacing: -0.3px;
  }
  .ios-title-1 {
    font-size: 22px;
    line-height: 28px;
  }
  .ios-title-2 {
    font-size: 19px;
    line-height: 24px;
  }
  .ios-title-3 {
    font-size: 17px;
    line-height: 22px;
  }
  .layout-container {
    padding: 16px 14px 96px 14px !important;
  }
  .ios-card {
    border-radius: 16px;
    padding: 16px !important;
  }
  .ios-inset-group {
    border-radius: 14px;
    margin: 12px 0;
  }
  .ios-list-item {
    padding: 12px 14px;
    flex-wrap: wrap;
    row-gap: 8px;
  }
  .ios-list-item > * {
    min-width: 0;
    overflow-wrap: anywhere;
  }
  .ios-segmented {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .ios-segmented::-webkit-scrollbar {
    display: none;
  }
  .ios-segment-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  .ios-glass-bar {
    padding-top: env(safe-area-inset-top, 0);
  }
}

.ios-tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-decoration: none;
  color: var(--ios-text-tertiary);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: -0.1px;
  padding: 4px 0;
  flex: 1;
  transition: color 0.15s ease, transform 0.1s ease;
}

.ios-tab-item:active {
  transform: scale(0.92);
}

.ios-tab-item.active {
  color: var(--ios-blue);
  font-weight: 600;
}

.ios-tab-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}