/* ═══════════════════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE STYLESHEET
   Optimiza Bootstrap y otros componentes para móvil, tablet y desktop
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --touch-target-size: 44px;
  --header-padding-mobile: 12px 16px;
  --header-padding-tablet: 16px 24px;
  --header-padding-desktop: 20px 40px;
}

html, body {
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

/* ─────────────────────────────────────────────────────────────
   VIEWPORT & SAFE AREA (iPhone Notch support)
   ───────────────────────────────────────────────────────────── */
@supports (padding: max(0px)) {
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }

  header,
  nav {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
    padding-top: max(12px, env(safe-area-inset-top));
  }
}

/* ─────────────────────────────────────────────────────────────
   MOBILE FIRST (< 576px)
   ───────────────────────────────────────────────────────────── */

/* Container */
.container,
.container-fluid {
  padding-left: 12px;
  padding-right: 12px;
}

/* Header */
header,
.navbar {
  padding: var(--header-padding-mobile);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Typography */
h1 {
  font-size: 20px;
  margin-bottom: 12px;
}

h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

p {
  font-size: 14px;
  line-height: 1.5;
}

/* Cards */
.card {
  margin-bottom: 16px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-header {
  padding: 12px;
}

.card-body {
  padding: 12px;
}

/* Forms */
.form-label {
  font-size: 13px;
  margin-bottom: 6px;
  font-weight: 500;
}

.form-control,
.form-select {
  padding: 12px;
  font-size: 16px;
  border-radius: 6px;
  -webkit-appearance: none;
  appearance: none;
}

.form-control:focus,
.form-select:focus {
  border-color: #0066cc;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* Buttons */
button,
.btn {
  min-height: 44px;
  min-width: 44px;
  padding: 10px 14px;
  font-size: 13px;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.3s ease;
  -webkit-user-select: none;
  user-select: none;
}

.btn {
  width: 100%;
  margin-bottom: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, #0066cc 0%, #0055aa 100%);
  border: none;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

/* Tables */
.table {
  font-size: 12px;
  margin-bottom: 16px;
}

.table-responsive {
  margin-bottom: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table th {
  font-size: 12px;
  padding: 8px;
  font-weight: 600;
}

.table td {
  padding: 8px;
}

/* Badges */
.badge {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
}

/* Alerts */
.alert {
  padding: 12px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 12px;
  border: 1px solid transparent;
}

/* Row & Col */
.row {
  margin-bottom: 12px;
}

.col-md-12,
[class*="col-"] {
  padding-left: 6px;
  padding-right: 6px;
}

/* Spacing utilities */
.mt-3,
.mt-4,
.mt-5 {
  margin-top: 12px !important;
}

.mb-3,
.mb-4 {
  margin-bottom: 12px !important;
}

.g-3 {
  gap: 12px !important;
}

.text-muted {
  font-size: 12px;
  color: #666 !important;
}

/* Modals */
.modal-content {
  border-radius: 8px;
}

.modal-header {
  padding: 12px;
}

.modal-body {
  padding: 12px;
}

/* Navigation links */
.navbar-nav {
  flex-direction: row;
  gap: 8px;
}

.nav-link {
  padding: 8px 10px;
  font-size: 13px;
}

/* Dropdowns */
.dropdown-menu {
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dropdown-item {
  padding: 10px 14px;
  font-size: 13px;
}

/* Borders */
hr {
  margin: 12px 0;
  border: none;
  border-top: 1px solid #e0e0e0;
}

/* ─────────────────────────────────────────────────────────────
   TABLET (≥ 576px)
   ───────────────────────────────────────────────────────────── */
@media (min-width: 576px) {
  .container,
  .container-fluid {
    padding-left: 20px;
    padding-right: 20px;
  }

  header,
  nav {
    padding: var(--header-padding-tablet);
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  .card {
    margin-bottom: 20px;
  }

  .card-header {
    padding: 16px;
  }

  .card-body {
    padding: 16px;
  }

  .table {
    font-size: 13px;
  }

  .btn {
    width: auto;
    margin-bottom: 0;
  }

  .row {
    margin-bottom: 16px;
  }

  .col-md-12,
  [class*="col-"] {
    padding-left: 10px;
    padding-right: 10px;
  }

  .g-3 {
    gap: 16px !important;
  }
}

/* ─────────────────────────────────────────────────────────────
   DESKTOP (≥ 992px)
   ───────────────────────────────────────────────────────────── */
@media (min-width: 992px) {
  .container,
  .container-fluid {
    padding-left: 24px;
    padding-right: 24px;
  }

  header,
  nav {
    padding: var(--header-padding-desktop);
  }

  h1 {
    font-size: 28px;
    margin-bottom: 16px;
  }

  h2 {
    font-size: 24px;
    margin-bottom: 16px;
  }

  .card {
    margin-bottom: 24px;
  }

  .card-header {
    padding: 20px;
  }

  .card-body {
    padding: 20px;
  }

  .table {
    font-size: 14px;
  }

  .table th {
    padding: 12px;
  }

  .table td {
    padding: 12px;
  }

  .form-label {
    font-size: 14px;
  }

  .form-control,
  .form-select {
    padding: 10px 12px;
    font-size: 14px;
  }

  button,
  .btn {
    padding: 10px 18px;
    font-size: 14px;
  }

  .row {
    margin-bottom: 20px;
  }

  .col-md-12,
  [class*="col-"] {
    padding-left: 12px;
    padding-right: 12px;
  }

  .g-3 {
    gap: 20px !important;
  }
}

/* ─────────────────────────────────────────────────────────────
   TOUCH OPTIMIZATIONS
   ───────────────────────────────────────────────────────────── */
@media (hover: none) and (pointer: coarse) {
  /* Aumentar tamaño de touch targets */
  button,
  .btn,
  a[role="button"],
  .nav-link,
  .dropdown-item {
    min-height: 44px;
  }

  /* Mejorar inputs para teclado virtual */
  input,
  textarea,
  select {
    font-size: 16px !important;
  }

  /* Espaciado mejorado entre elementos tocables */
  .btn + .btn {
    margin-top: 8px;
  }

  /* Deshabilitar zoom en input focus */
  input,
  textarea,
  select {
    font-size: 16px;
  }
}

/* ─────────────────────────────────────────────────────────────
   LANDSCAPE MODE (Phone rotation)
   ───────────────────────────────────────────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  header,
  nav {
    padding: 8px var(--header-padding-mobile);
  }

  h1 {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .row {
    margin-bottom: 8px;
  }
}

/* ─────────────────────────────────────────────────────────────
   ACCESSIBILITY
   ───────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─────────────────────────────────────────────────────────────
   PRINT STYLES
   ───────────────────────────────────────────────────────────── */
@media print {
  header,
  footer,
  nav,
  .navbar,
  .btn {
    display: none;
  }

  .container {
    margin: 0;
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  body {
    background: white;
  }
}