:root {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #0f172a;
  --text-light: #64748b;
  --primary: #10b981;
  --primary-2: #059669;
  --secondary: #3b82f6;
  --secondary-2: #2563eb;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border: #e2e8f0;
  --shadow-sutil: 0 4px 20px -2px rgba(15, 23, 42, 0.04);
}

body.dark-theme {
  --bg: #0b0f19;
  --surface: #151f32;
  --surface-2: #1e293b;
  --text: #f8fafc;
  --text-light: #94a3b8;
  --primary: #10b981;
  --primary-2: #059669;
  --secondary: #3b82f6;
  --secondary-2: #2563eb;
  --border: #223047;
  --shadow-sutil: 0 4px 20px -2px rgba(0, 0, 0, 0.25);
}
.hidden {
  display: none !important;
}

body.mid-theme {
  --bg: #d4d4d8;          /* Gris neutro suave (muy elegante, elimina todo el brillo) */
  --surface: #f4f4f5;     /* Gris claro sedoso para las tarjetas (resaltan sutilmente) */
  --surface-2: #e4e4e7;   /* Gris medio para cabeceras de tablas y subsecciones */
  --text: #18181b;        /* Gris carbón casi negro (súper legible pero más suave que el negro puro) */
  --text-light: #52525b;  /* Gris medio para textos secundarios */
  --primary: #10b981;     /* El verde esmeralda icónico de tu app */
  --primary-2: #059669;
  --secondary: #3b82f6;   /* El azul moderno de tu app */
  --secondary-2: #2563eb;
  --border: #a1a1aa;      /* Bordes finos de separación en gris elegante */
  --shadow-sutil: 0 4px 15px -2px rgba(24, 24, 27, 0.05);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; /* Aumentar tamaño de fuente base */
  background: var(--bg);
  color: var(--text);
}

.product-card h3 {
  font-size: 1.1rem; /* Aumentar tamaño de los nombres de productos */
}

.product-meta {
  font-size: 0.9rem; /* Ajustar tamaño de meta información */
}

.badge {
  font-size: 0.9rem; /* Ajustar tamaño de los badges */
}

button, input, select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 12px;
}

/* HEADER */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 14px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-sutil);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: white;
}

.brand-text {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.module-tabs {
  display: flex;
  gap: 4px;
}

.tab {
  border: none;
  background: transparent;
  color: var(--text-light);
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.tab:hover {
  background: var(--surface-2);
  color: var(--text);
}

.tab.active {
  background: var(--primary);
  color: white;
  font-weight: 500;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-info {
  font-size: 0.9rem;
  color: var(--text-light);
}

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-light);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.ghost-btn:hover {
  background: var(--surface-2);
  border-color: var(--text-light);
}

/* WORKSPACE */
.workspace {
  margin-top: 12px;
}

.module {
  display: none;
}

.module.active {
  display: block;
}

.module.hidden {
  display: none !important;
}

/* MÓDULO VENTAS */
.layout-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.left-panel, .right-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-sutil);
}

.search-card h2 {
  margin: 0 0 14px;
  font-size: 1rem;
  color: var(--text);
}

.barcode-scan-wrap {
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}

.barcode-scan-wrap label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 6px;
  font-weight: 600;
}

.barcode-input-row {
  display: flex;
  gap: 8px;
}

.barcode-input-row input {
  flex: 1;
  padding: 10px 12px;
  border: 2px solid var(--secondary);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.barcode-input-row input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 120, 180, 0.18);
}

.barcode-camera-btn {
  min-width: 48px;
  padding: 10px 12px;
  font-size: 1.1rem;
}

.barcode-hint {
  margin: 8px 0 0;
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.35;
}

.barcode-camera-card {
  width: min(480px, 100%);
}

.barcode-camera-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 8px;
  background: #111;
  margin-top: 8px;
}

.barcode-camera-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.filter-row {
  margin-bottom: 12px;
}

.filter-row label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 4px;
  font-weight: 500;
}

.filter-row select,
.search-input-wrap input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.9rem;
}

.search-input-wrap {
  margin-bottom: 12px;
}

.search-input-wrap label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 4px;
  font-weight: 500;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.primary-btn, .secondary-btn {
  border: none;
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.primary-btn {
  background: var(--primary);
  color: white;
}

.primary-btn:hover {
  background: var(--primary-2);
}

.secondary-btn {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.secondary-btn:hover {
  background: var(--border);
}

.product-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 480px;
  overflow-y: auto;
  padding-right: 4px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.product-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-sutil);
}

.product-info-main {
  flex: 1;
}

.product-info-main h3 {
  margin: 0 0 4px;
  font-size: 0.9rem;
  color: var(--text);
}

.product-meta {
  display: grid;
  grid-template-columns: auto auto auto;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.badge {
  display: inline-block;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 1.0rem; /* Increased font size */
  font-weight: 600;
  min-width: 80px; /* Ensure visibility for badges like "Sin stock" */
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge {
  font-size: 0.95rem; /* Badges ligeramente más grandes */
}


.badge.good {
  background: rgba(34, 197, 94, 0.15);
  color: var(--primary);
}

.badge.warn {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge.danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.add-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.add-btn:hover {
  background: var(--primary-2);
}

/* CARRITO */
.sale-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-sutil);
}

.sale-card h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.client-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-row label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

.form-row input,
.form-row select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.9rem;
}

.cart-wrap {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.cart-table th {
  background: var(--surface-2);
  padding: 8px;
  text-align: left;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}

.cart-table td {
  padding: 8px;
  border-bottom: 1px solid var(--border);
}

.cart-table tbody tr:last-child td {
  border-bottom: none;
}

.qty-input {
  width: 50px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
}

.remove-btn {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}

.remove-btn:hover {
  background: rgba(239, 68, 68, 0.2);
}

.totals {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  margin-bottom: 12px;
}

.total-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-light);
}

.total-row strong {
  color: var(--text);
}

.total-row.highlight {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  margin-top: 8px;
  font-size: 1rem;
  color: var(--primary);
}

.action-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.action-buttons .secondary-btn {
  padding: 10px 8px;
}

/* MÓDULO INVENTARIO */
.module-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-sutil);
}

.module-card h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
}

.inventory-toolbar {
  margin-bottom: 14px;
}

.search-row {
  display: flex;
  gap: 8px;
}

.search-row input {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
}

.inventory-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.action-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.action-btn:hover {
  background: var(--border);
  border-color: var(--secondary);
}

.inventory-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.inventory-table th {
  background: var(--surface-2);
  padding: 10px;
  text-align: left;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}

.inventory-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

.inventory-table tbody tr:hover {
  background: var(--surface-2);
}

.edit-icon, .delete-icon {
  cursor: pointer;
  font-size: 1.1rem;
}

/* MÓDULO CAJA */
.cash-box {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.cash-stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.cash-stat span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.cash-stat strong {
  font-size: 1.2rem;
  color: var(--primary);
}

.cash-table-wrap {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 12px;
}

.cash-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.cash-table th {
  background: var(--surface-2);
  padding: 10px;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.cash-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

.cash-actions {
  display: flex;
  gap: 8px;
}

/* MÓDULO ADMINISTRACIÓN */
.admin-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow-sutil);
}

.admin-card h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--text);
}

.admin-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
  text-align: left;
}

.admin-btn:hover {
  background: var(--secondary);
  color: white;
  border-color: var(--secondary);
}

/* MODAL */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: grid;
  place-items: center;
  padding: 16px;
  z-index: 1000;
}

.modal.hidden {
  display: none !important;
}

.modal-open {
  overflow: hidden;
}

.modal-card {
  width: min(400px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-sutil);
}

.modal-card h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.modal-card label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.modal-card input,
.modal-card select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-size: 0.9rem;
}

.toast.hidden {
  display: none;
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .layout-two-column {
    grid-template-columns: 1fr;
  }

  .admin-layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-wrap: wrap;
    gap: 12px;
  }

  .module-tabs {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .button-row,
  .action-buttons,
  .inventory-actions,
  .cash-box {
    grid-template-columns: 1fr;
  }

  .client-form {
    grid-template-columns: 1fr;
  }
}

/* ESTILOS DE TRANSICIONES Y BOTONES DE TEMA */

/* MÓDULO HISTORIAL */
.historial-toolbar {
  margin-bottom: 14px;
}

.historial-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.stat-box span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.stat-box strong {
  font-size: 1.2rem;
  color: var(--primary);
}

.historial-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.historial-table th {
  background: var(--surface-2);
  padding: 10px;
  text-align: left;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}

.historial-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

.historial-table tbody tr:hover {
  background: var(--surface-2);
}

.status-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-completada {
  background: rgba(34, 197, 94, 0.15);
  color: var(--primary);
}

.status-reserva_pendiente {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.status-cotización {
  background: rgba(59, 130, 246, 0.15);
  color: var(--secondary);
}

/* Soporte de alto contraste para inputs pastel en Tema Oscuro */
body.dark-theme #filter-brand {
  background-color: #0d233a !important;
  border-color: #1b4973 !important;
  color: #e6f7ff !important;
}
body.dark-theme #filter-brand:focus {
  background-color: #0d233a !important;
  border-color: #308ce0 !important;
}
body.dark-theme #filter-model {
  background-color: #122813 !important;
  border-color: #245228 !important;
  color: #f6ffed !important;
}
body.dark-theme #filter-model:focus {
  background-color: #122813 !important;
  border-color: #5bb22b !important;
}
body.dark-theme #search-input {
  background-color: #262110 !important;
  border-color: #50441c !important;
  color: #fffbe6 !important;
}
body.dark-theme #search-input:focus {
  background-color: #262110 !important;
  border-color: #c99c1d !important;
}

/* Diferenciación visual de fondos de las 3 barras de búsqueda (Solo fondos y enfoques) */
#filter-brand {
  background-color: #e6f7ff !important; /* Soft Pastel Blue */
  border-color: #91d5ff !important;
}

#filter-brand:focus {
  background-color: #e6f7ff !important;
  border-color: #40a9ff !important;
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2) !important;
}

#filter-model {
  background-color: #f6ffed !important; /* Soft Pastel Green */
  border-color: #b7eb8f !important;
}

#filter-model:focus {
  background-color: #f6ffed !important;
  border-color: #73d13d !important;
  box-shadow: 0 0 0 2px rgba(115, 209, 61, 0.2) !important;
}

#search-input {
  background-color: #fffbe6 !important; /* Soft Pastel Yellow/Amber */
  border-color: #ffe58f !important;
}

#search-input:focus {
  background-color: #fffbe6 !important;
  border-color: #ffc53d !important;
  box-shadow: 0 0 0 2px rgba(255, 197, 61, 0.2) !important;
}

/* Estilo especial para el botón de limpiar búsqueda */
#clear-search {
  background: #fff1f0 !important;
  color: #dc3545 !important;
  border: 1px solid #dc3545 !important;
  font-weight: bold;
}

#clear-search:hover {
  background: #dc3545 !important;
  color: white !important;
}


/* Puerta de acceso (clave del sitio + login por PIN) */
.gate-overlay{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e293b);padding:16px}
.gate-card{width:min(380px,100%);background:var(--surface);border-radius:14px;padding:28px 24px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.35);display:flex;flex-direction:column;gap:12px;align-items:center}
.gate-card h2{margin:4px 0;letter-spacing:1px}
.gate-card p{color:var(--text-light);margin:0}
.gate-card input,.gate-card select{width:100%;padding:12px;font-size:1.1rem;border-radius:8px;border:1px solid var(--border);text-align:center}
.gate-error{color:var(--danger);font-weight:bold}