/* ── Reset & base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:       #f0f2f5;
  --surface:  #ffffff;
  --sidebar-bg: #1a2035;
  --sidebar-txt: #c8cfe0;
  --sidebar-hover: #2d3a55;
  --accent:   #4361ee;
  --accent2:  #3a0ca3;
  --success:  #2dc653;
  --warning:  #f4a261;
  --danger:   #e63946;
  --txt:      #1d2335;
  --txt-muted:#6b7280;
  --border:   #e5e7eb;
  --radius:   10px;
  --shadow:   0 2px 12px rgba(0,0,0,.08);
  --sidebar-w: 230px;
  --sidebar-w-collapsed: 62px;
  font-size: 15px;
}
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--txt);
  display: flex;
  min-height: 100vh;
}
.hidden { display: none !important; }

/* ── Sidebar ─────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: none;
  overflow: hidden;
}

/* Estado colapsado — solo iconos */
#sidebar.collapsed {
  width: var(--sidebar-w-collapsed);
}
#sidebar.collapsed .logo .logo-text,
#sidebar.collapsed nav a span,
#sidebar.collapsed .sidebar-group-label {
  opacity: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}
#sidebar.collapsed .logo {
  justify-content: center;
  padding: 22px 0 18px;
}
#sidebar.collapsed nav a {
  justify-content: center;
  padding: 12px 0;
}
/* Tooltip al hover en modo colapsado */
#sidebar.collapsed nav a {
  position: relative;
}
#sidebar.collapsed nav a::after {
  content: attr(data-title);
  position: absolute;
  left: calc(var(--sidebar-w-collapsed) + 6px);
  top: 50%;
  transform: translateY(-50%);
  background: #1a2035;
  color: #fff;
  font-size: .8rem;
  white-space: nowrap;
  padding: 5px 10px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s;
  z-index: 200;
}
#sidebar.collapsed nav a:hover::after {
  opacity: 1;
}

#sidebar .logo {
  padding: 22px 20px 18px;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .5px;
  border-bottom: 1px solid #2d3a55;
  white-space: nowrap;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: none;
}
#sidebar .logo .logo-text { transition: opacity .2s; }
#sidebar .logo span { color: var(--accent); }
#sidebar nav { flex: 1; padding: 12px 0; overflow-y: auto; overflow-x: hidden; }
#sidebar nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: var(--sidebar-txt);
  text-decoration: none;
  font-size: .93rem;
  border-radius: 0;
  transition: background .18s, color .18s;
  cursor: pointer;
  white-space: nowrap;
}
#sidebar nav a:hover,
#sidebar nav a.active {
  background: var(--sidebar-hover);
  color: #fff;
}
#sidebar nav a.active { box-shadow: inset 3px 0 0 var(--accent); }
#sidebar nav a i { font-size: 1.15rem; width: 22px; text-align: center; flex-shrink: 0; }
#sidebar nav a span { transition: opacity .2s; overflow: hidden; }

.sidebar-group-label {
  margin: 10px 20px 6px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #4a5578;
  border-top: 1px solid #2d3a55;
  padding-top: 10px;
  white-space: nowrap;
  transition: opacity .2s;
  overflow: hidden;
}

/* ── Botón hamburguesa ───────────────────────────────────────── */
.btn-sidebar-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--txt-muted);
  font-size: 1.25rem;
  padding: 6px 8px;
  border-radius: 7px;
  line-height: 1;
  transition: color .18s, background .18s;
  flex-shrink: 0;
}
.btn-sidebar-toggle:hover { color: var(--accent); background: #f0f2ff; }

/* ── Main content ────────────────────────────────────────────── */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: none;
}
body.sidebar-collapsed #main {
  margin-left: var(--sidebar-w-collapsed);
}
#topbar {
  background: var(--surface);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 50;
}
#topbar h1 { font-size: 1.15rem; font-weight: 600; }
#topbar .spacer { flex: 1; }
#page-content { padding: 24px 28px; flex: 1; }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 24px;
  margin-bottom: 22px;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--txt);
}

/* ── Dashboard stat boxes ────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}
.stat-box {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-box .label { font-size: .82rem; color: var(--txt-muted); font-weight: 500; }
.stat-box .value { font-size: 1.7rem; font-weight: 700; }
.stat-box.accent { box-shadow: inset 0 2px 0 var(--accent); }
.stat-box.success { box-shadow: inset 0 2px 0 var(--success); }
.stat-box.warning { box-shadow: inset 0 2px 0 var(--warning); }
.stat-box.danger  { box-shadow: inset 0 2px 0 var(--danger);  }

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
thead th {
  background: #f8f9fb;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--txt-muted);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8f9fb; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 500;
  transition: opacity .18s, box-shadow .18s;
}
.btn:hover { opacity: .88; }
.btn-primary { background: var(--accent);  color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-secondary { background: #e5e7eb; color: var(--txt); }
.btn-sm { padding: 5px 12px; font-size: .82rem; }
.btn-icon { padding: 6px 9px; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: .84rem; font-weight: 500; color: var(--txt-muted); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: .9rem;
  background: var(--surface);
  color: var(--txt);
  transition: border-color .18s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 72px; }

/* ── Buscador de producto (entradas / salidas) ──────────────────── */
.product-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 10;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  box-shadow: var(--shadow);
  max-height: 260px;
  overflow-y: auto;
  margin-top: 4px;
}
.product-search-results.hidden { display: none; }
.product-search-item {
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  font-size: .88rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.product-search-item:last-child { border-bottom: none; }
.product-search-item:hover { background: #f8f9fb; }
.product-search-item small { color: var(--txt-muted); font-size: .78rem; }
.product-search-item code { color: var(--txt-muted); font-size: .76rem; }
.product-search-empty { padding: 12px; color: var(--txt-muted); font-size: .86rem; text-align: center; }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.hidden { display: none; }
.modal {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,.18);
  padding: 28px 30px;
  width: min(520px, 95vw);
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { font-size: 1.1rem; margin-bottom: 20px; }
.modal-footer { margin-top: 20px; display: flex; gap: 10px; justify-content: flex-end; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-info    { background: #dbeafe; color: #1e40af; }
.badge-neutral { background: #f3f4f6; color: #374151; }

/* ── Alerts ──────────────────────────────────────────────────── */
.alert {
  padding: 10px 16px;
  border-radius: 7px;
  font-size: .88rem;
  margin-bottom: 12px;
}
.alert-success { background: #d1fae5; color: #065f46; }
.alert-danger  { background: #fee2e2; color: #991b1b; }
.alert-warning { background: #fef3c7; color: #92400e; }
.alert-info    { background: #dbeafe; color: #1e40af; }
.alert.hidden  { display: none; }

/* ── Avisos de login ─────────────────────────────────────────── */
.login-notices {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}
.login-notice {
  margin-bottom: 0;
  line-height: 1.35;
}
.login-notice strong {
  display: block;
  margin-bottom: 2px;
}
.login-notice .notice-meta {
  display: block;
  margin-top: 4px;
  font-size: .78rem;
  font-weight: 600;
}
.login-notice-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}
.login-notice.acknowledged {
  opacity: .78;
}

/* ── Toolbar ─────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar input[type="text"],
.toolbar input[type="search"] {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: .88rem;
  width: 240px;
}

/* ── POS specific ────────────────────────────────────────────── */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 22px;
  align-items: start;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 12px;
  max-height: 62vh;
  overflow-y: auto;
  padding-right: 4px;
}
.product-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 10px;
  text-align: center;
  cursor: pointer;
  transition: box-shadow .18s, border-color .18s;
}
.product-tile:hover { box-shadow: 0 4px 16px rgba(67,97,238,.15); border-color: var(--accent); }
.product-tile .p-name { font-weight: 600; font-size: .88rem; margin-bottom: 4px; word-break: break-word; }
.product-tile .p-price { color: var(--accent); font-size: 1rem; font-weight: 700; }
.product-tile .p-stock { color: var(--txt-muted); font-size: .78rem; }
.empty-state {
  grid-column: 1 / -1;
  padding: 30px 16px;
  color: var(--txt-muted);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 7px;
  background: var(--surface);
}
.cart-table { width: 100%; font-size: .88rem; }
.cart-table th { font-size: .8rem; padding: 7px 8px; }
.cart-table td { padding: 7px 8px; }
.cart-qty { width: 54px; text-align: center; border: 1px solid var(--border); border-radius: 5px; padding: 4px; }
.cart-total-row { font-size: 1.1rem; font-weight: 700; }
.ticket {
  background: #fff;
  font-family: "Courier New", monospace;
  font-size: .82rem;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: 6px;
  white-space: pre-wrap;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .pos-layout { grid-template-columns: 1fr 340px; }
}
@media (max-width: 820px) {
  :root { --sidebar-w: 62px; }
  #sidebar nav a span { display: none; }
  #sidebar .logo .logo-text { display: none; }
  .pos-layout { grid-template-columns: 1fr; }
}
/* Backdrop del cajón móvil (oculto salvo cuando el sidebar está abierto en móvil) */
#sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 90;
}
#sidebar-backdrop.visible { display: block; }

@media (max-width: 600px) {
  /* Sidebar pasa a cajón oculto; el botón hamburguesa lo abre encima del contenido */
  #sidebar {
    width: 240px;
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,.3);
  }
  #sidebar.collapsed {
    width: 240px;
    transform: translateX(0);
  }
  #sidebar.collapsed .logo .logo-text,
  #sidebar.collapsed nav a span {
    display: inline;
    opacity: 1;
    width: auto;
    pointer-events: auto;
  }
  #sidebar.collapsed .sidebar-group-label {
    display: block;
    opacity: 1;
    width: auto;
    pointer-events: auto;
  }
  #sidebar.collapsed .logo { justify-content: flex-start; padding: 22px 20px 18px; }
  #sidebar.collapsed nav a { justify-content: flex-start; padding: 14px 20px; }
  #sidebar.collapsed nav a::after { display: none; }

  #main, body.sidebar-collapsed #main { margin-left: 0; }

  #topbar { padding: 12px 14px; gap: 10px; }
  #topbar h1 { font-size: 1rem; }
  #clock { display: none; }
  #page-content { padding: 14px; }

  .card { padding: 16px; }
  .card-title { font-size: .95rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-box { padding: 14px 16px; }
  .stat-box .value { font-size: 1.4rem; }
  .form-grid { grid-template-columns: 1fr; }

  .toolbar { gap: 8px; }
  .toolbar input[type="text"],
  .toolbar input[type="search"] { width: 100%; }

  /* Objetivos táctiles más grandes (mín. ~44px recomendado) */
  .btn { padding: 11px 18px; min-height: 44px; }
  .btn-sm { padding: 9px 14px; min-height: 40px; }
  .btn-icon { min-width: 44px; min-height: 44px; }
  .btn-sidebar-toggle { min-width: 40px; min-height: 40px; }
  .form-group input,
  .form-group select,
  .form-group textarea { padding: 11px 12px; font-size: 1rem; }

  .modal { padding: 20px 18px; width: 100vw; max-width: 100vw; max-height: 100dvh; border-radius: 0; }
  .modal-footer { flex-wrap: wrap; }
  .modal-footer .btn { flex: 1 1 auto; justify-content: center; }

  .product-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }

  .user-chip .urole { display: none; }
}

/* ── Login page ──────────────────────────────────────────────── */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a2035 0%, #2d3a55 60%, #1a2035 100%);
  margin: 0;
}
.login-card {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(0,0,0,.35);
  padding: 44px 40px 36px;
  width: min(400px, 94vw);
}
.login-logo {
  text-align: center;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 4px;
}
.login-logo i  { font-size: 2.4rem; vertical-align: middle; }
.login-logo span { font-size: 1.7rem; font-weight: 300; vertical-align: middle; }
.login-logo strong { font-weight: 700; }
.login-subtitle {
  text-align: center;
  color: var(--txt-muted);
  font-size: .88rem;
  margin-bottom: 28px;
}
.input-icon-wrap {
  position: relative;
}
.input-icon-wrap input {
  padding-left: 36px;
  padding-right: 36px;
  width: 100%;
}
.input-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--txt-muted);
  font-size: 1rem;
  pointer-events: none;
}
.input-eye {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--txt-muted);
  padding: 4px;
  font-size: 1rem;
}
.input-eye:hover { color: var(--accent); }

/* ── Topbar user chip ────────────────────────────────────────── */
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f3f4f6;
  border-radius: 30px;
  padding: 5px 14px 5px 8px;
  font-size: .84rem;
  cursor: default;
}
.user-chip .avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .82rem;
  font-weight: 700;
  flex-shrink: 0;
}
.user-chip .uname { font-weight: 600; color: var(--txt); }
.user-chip .urole { color: var(--txt-muted); font-size: .76rem; }
.btn-logout {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--txt-muted);
  font-size: 1.1rem;
  padding: 4px 6px;
  border-radius: 6px;
  transition: color .18s, background .18s;
}
.btn-logout:hover { color: var(--danger); background: #fee2e2; }

/* ── No-permission overlay ───────────────────────────────────── */
.no-perm {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--txt-muted);
  text-align: center;
}
.no-perm i   { font-size: 3.5rem; margin-bottom: 16px; color: var(--border); }
.no-perm h2  { font-size: 1.2rem; font-weight: 600; color: var(--txt); margin-bottom: 8px; }
.no-perm p   { font-size: .9rem; }

/* ── Permission checkbox grid ────────────────────────────────── */
.perm-group { margin-bottom: 18px; }
.perm-group-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--txt-muted);
  margin-bottom: 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--border);
}
.perm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 6px 14px;
}
.perm-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  cursor: pointer;
}
.perm-item input[type="checkbox"] { cursor: pointer; accent-color: var(--accent); }