/* ============================================================
   responsive.css — Sistema de Comandas
   Mobile-first, PWA-ready
   ============================================================ */

/* ── Variables globales ─────────────────────────────────── */
:root {
  --accent:    #e74c3c;
  --accent-dk: #c0392b;
  --dark:      #1a1a2e;
  --border:    #e0e0e0;
  --muted:     #888;
  --bg:        #f0f2f5;
  --card-bg:   #fff;
  --nav-h:     56px;
  --safe-bot:  env(safe-area-inset-bottom, 0px);
}

/* ── Reset base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: #333;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

/* ── Nav responsive ─────────────────────────────────────── */
nav {
  background: var(--dark);
  color: #fff;
  height: var(--nav-h);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 200;
  gap: .5rem;
}
nav .brand {
  font-weight: 700;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: .4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}
nav .brand i { color: var(--accent); flex-shrink: 0; }

/* Menú hamburguesa en móvil */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  padding: .4rem;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: nowrap;
}
.nav-links a {
  color: #ccc;
  text-decoration: none;
  font-size: .82rem;
  white-space: nowrap;
  padding: .3rem .5rem;
  border-radius: 6px;
  transition: background .15s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.1); }

/* ── Drawer lateral (derecha → izquierda) ────────────────── */

/* Overlay opaco detrás del drawer */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 198;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity .28s ease;
}
.nav-overlay.open {
  display: block;
  opacity: 1;
}

/* Drawer lateral — oculto por defecto, solo activo en móvil */
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 82vw);
  background: var(--dark);
  z-index: 199;
  display: none;          /* oculto en desktop */
  flex-direction: column;
  padding: 0;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.4,0,.2,1);
  box-shadow: -4px 0 24px rgba(0,0,0,.4);
}
/* En móvil el drawer existe pero oculto fuera de pantalla */
@media (max-width: 768px) {
  .nav-drawer {
    display: flex;
  }
}
.nav-drawer.open {
  transform: translateX(0);
}

/* Header del drawer */
.nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  min-height: var(--nav-h);
  flex-shrink: 0;
}
.nav-drawer-header .brand-mini {
  font-weight: 700;
  font-size: .88rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.nav-drawer-header .brand-mini i { color: var(--accent); }
.nav-drawer-close {
  background: none;
  border: none;
  color: rgba(255,255,255,.6);
  font-size: 1.2rem;
  cursor: pointer;
  padding: .3rem;
  border-radius: 6px;
  line-height: 1;
  transition: color .15s;
}
.nav-drawer-close:hover { color: #fff; }

/* Usuario info */
.nav-drawer-user {
  padding: .75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
  font-size: .78rem;
  color: rgba(255,255,255,.4);
  flex-shrink: 0;
}

/* Links del drawer */
.nav-drawer-links {
  flex: 1;
  padding: .5rem 0;
  display: flex;
  flex-direction: column;
}
.nav-drawer a {
  color: rgba(255,255,255,.8);
  text-decoration: none;
  padding: .72rem 1.1rem;
  font-size: .92rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: .65rem;
  transition: background .15s, color .15s;
  border-left: 3px solid transparent;
}
.nav-drawer a:hover,
.nav-drawer a:active {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-left-color: var(--accent);
}
.nav-drawer a i {
  width: 20px;
  text-align: center;
  color: var(--accent);
  flex-shrink: 0;
}
.nav-drawer-sep {
  height: 1px;
  background: rgba(255,255,255,.08);
  margin: .4rem 0;
}
.nav-drawer-section-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: rgba(255,255,255,.3);
  padding: .65rem 1.1rem .25rem;
}

/* ── Container ──────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 1rem;
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  overflow: hidden;
  margin-bottom: 1.2rem;
}
.card-header {
  padding: .85rem 1.1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  flex-wrap: wrap;
}
.card-header h2 {
  font-size: .9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.card-header h2 i { color: var(--accent); }
.card-body { padding: 1rem 1.1rem; }

/* ── Alertas ────────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem;
  border-radius: 9px;
  margin-bottom: 1rem;
  font-size: .88rem;
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  line-height: 1.4;
}
.alert-ok  { background: #d1e7dd; color: #0f5132; }
.alert-err { background: #f8d7da; color: #842029; }
.alert-warn{ background: #fff3cd; color: #664d03; }

/* ── Botones ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .6rem 1.1rem;
  border: none;
  border-radius: 9px;
  font-weight: 600;
  font-size: .88rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s, transform .1s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.btn:active { transform: scale(.97); opacity: .9; }
.btn-primary   { background: var(--accent); color: #fff; }
.btn-success   { background: #27ae60; color: #fff; }
.btn-warning   { background: #f39c12; color: #fff; }
.btn-danger    { background: var(--accent-dk); color: #fff; }
.btn-secondary { background: #6c757d; color: #fff; }
.btn-outline   { background: #fff; color: #333; border: 1.5px solid var(--border); }
.btn-sm        { padding: .35rem .75rem; font-size: .8rem; }
.btn-block     { width: 100%; }

/* ── Formularios ────────────────────────────────────────── */
.fg { margin-bottom: .9rem; }
.fg label {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  color: #555;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .3rem;
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: .65rem .9rem;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  font-size: 1rem;           /* 16px mínimo para evitar zoom en iOS */
  font-family: inherit;
  transition: border-color .15s;
  -webkit-appearance: none;
  appearance: none;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(231,76,60,.12);
}
textarea { resize: vertical; min-height: 72px; }

/* ── Tablas responsive ──────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 480px; }
th {
  background: #f8f8f8;
  font-size: .73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #666;
  padding: .55rem .85rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
td {
  padding: .6rem .85rem;
  font-size: .86rem;
  border-bottom: 1px solid #f2f2f2;
  vertical-align: middle;
}
tr:last-child td { border: none; }
tr:hover td { background: #fafafa; }
.num { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ── Badges / semáforos ─────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .65rem;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 700;
}

/* ── Bottom nav (móvil) ─────────────────────────────────── */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,.1);
  z-index: 200;
  padding-bottom: var(--safe-bot);
}
.bottom-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
  padding: .55rem .3rem;
  color: rgba(255,255,255,.55);
  text-decoration: none;
  font-size: .62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  -webkit-tap-highlight-color: transparent;
  transition: color .15s;
  cursor: pointer;
  border: none;
  background: none;
}
.bottom-nav-item i { font-size: 1.2rem; }
.bottom-nav-item.active,
.bottom-nav-item:active { color: var(--accent); }

/* ── Toast global ───────────────────────────────────────── */
.toast-global {
  position: fixed;
  bottom: calc(64px + var(--safe-bot));
  left: 50%;
  transform: translateX(-50%);
  background: #2c3e50;
  color: #fff;
  padding: .65rem 1.3rem;
  border-radius: 24px;
  font-size: .88rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.toast-global.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}
.toast-global.err { background: var(--accent); }

/* ── Utilidades ─────────────────────────────────────────── */
.hidden  { display: none !important; }
.muted   { color: var(--muted); }
.text-accent { color: var(--accent); font-weight: 700; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .85rem; }

/* ── MEDIA QUERIES ──────────────────────────────────────── */
@media (max-width: 768px) {

  /* Nav → hamburguesa */
  .nav-toggle { display: block; }
  .nav-links  { display: none; }
  .nav-drawer-header { display: flex; }

  /* Bottom nav visible */
  .bottom-nav { display: block; }

  /* Padding del body para bottom nav */
  body.has-bottom-nav main,
  body.has-bottom-nav .container {
    padding-bottom: calc(64px + var(--safe-bot) + .5rem);
  }

  /* Container */
  .container { padding: .85rem .75rem; }

  /* Grids → una columna */
  .grid2, .grid3 { grid-template-columns: 1fr; }

  /* Cards */
  .card { border-radius: 10px; margin-bottom: .85rem; }
  .card-header { padding: .75rem .9rem; }
  .card-body   { padding: .85rem .9rem; }

  /* Tablas → scroll horizontal */
  table { min-width: 540px; }
  th, td { padding: .5rem .7rem; font-size: .82rem; }

  /* Botones más grandes para touch */
  .btn { min-height: 44px; font-size: .9rem; }
  .btn-sm { min-height: 36px; }

  /* Inputs más grandes */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="date"],
  select { min-height: 44px; font-size: 16px; }

  /* Modales */
  .modal {
    position: fixed !important;
    bottom: 0 !important;
    top: auto !important;
    left: 0 !important;
    right: 0 !important;
    max-width: 100% !important;
    border-radius: 16px 16px 0 0 !important;
    padding: 1.2rem 1rem !important;
    max-height: 90vh;
    overflow-y: auto;
  }
  .modal-overlay {
    align-items: flex-end !important;
  }
}

@media (max-width: 480px) {
  nav .brand { font-size: .85rem; }
  .container { padding: .7rem .6rem; }
}

/* ── PWA: ocultar UI del navegador ──────────────────────── */
@media (display-mode: standalone) {
  nav { padding-top: env(safe-area-inset-top, 0); }
  .bottom-nav { padding-bottom: env(safe-area-inset-bottom, 0); }
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
  nav, .bottom-nav, .nav-drawer { display: none !important; }
  body { background: #fff; }
  .container { padding: 0; max-width: 100%; }
  .card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
}