/* =============================================
   PintaPeg Admin - Estilos del Dashboard
   ============================================= */

/* Variables admin */
:root {
  --admin-sidebar-w: 250px;
  --admin-header-h: 60px;
  --admin-bg: #F0F2F5;
  --admin-card: #FFFFFF;
  --admin-border: #E2E8F0;
  --admin-text: #1A202C;
  --admin-text-muted: #718096;
}

/* Layout */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: var(--admin-bg);
}

/* Sidebar */
.admin-sidebar {
  width: var(--admin-sidebar-w);
  background: var(--azul-marino);
  color: var(--blanco);
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: transform var(--transicion);
}

.admin-sidebar .logo {
  padding: 1.1rem 1.25rem;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-sidebar .logo .sidebar-logo {
  width: 78px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.admin-sidebar .logo span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gris-medio);
}

.admin-nav {
  padding: 1rem 0;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  color: var(--gris-medio);
  transition: all var(--transicion);
  font-size: 0.9rem;
}

.admin-nav a:hover,
.admin-nav a.active {
  background: rgba(255,107,0,0.15);
  color: var(--naranja);
}

.admin-nav a .icon {
  width: 20px;
  text-align: center;
}

/* Main content */
.admin-main {
  flex: 1;
  margin-left: var(--admin-sidebar-w);
  min-height: 100vh;
}

/* Header */
.admin-header {
  height: var(--admin-header-h);
  background: var(--admin-card);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-header h1 {
  font-size: 1.25rem;
  color: var(--admin-text);
}

.admin-header .user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--admin-text-muted);
}

.admin-header .btn-logout {
  padding: 0.4rem 0.75rem;
  background: transparent;
  border: 1px solid var(--admin-border);
  border-radius: var(--radio);
  color: var(--admin-text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transicion);
}

.admin-header .btn-ver-sitio {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  margin-right: 0.5rem;
  background: var(--naranja);
  color: #fff;
  border-radius: var(--radio);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transicion);
}

.admin-header .btn-ver-sitio:hover {
  background: #E55D00;
}

.admin-header .btn-logout:hover {
  border-color: #E53E3E;
  color: #E53E3E;
}

/* Content area */
.admin-content {
  padding: 1.5rem;
}

/* Cards */
.admin-card {
  background: var(--admin-card);
  border-radius: var(--radio);
  border: 1px solid var(--admin-border);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.admin-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--admin-border);
}

.admin-card-header h2 {
  font-size: 1.1rem;
  color: var(--admin-text);
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--admin-card);
  border-radius: var(--radio);
  border: 1px solid var(--admin-border);
  padding: 1.25rem;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--naranja);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--admin-text-muted);
  margin-top: 0.25rem;
}

/* Dashboard: paneles, grafico, pedidos, stock bajo */
.dash-panel {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radio);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.dash-panel h3 {
  font-size: 1.05rem;
  color: var(--azul-marino);
  margin-bottom: 1rem;
}

.dash-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 160px;
}

.dash-bar {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
}

.dash-bar-fill {
  width: 100%;
  background: var(--naranja);
  border-radius: 3px 3px 0 0;
  min-height: 2px;
}

.dash-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 900px) {
  .dash-cols {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .dash-cols .dash-panel {
    margin-top: 1.5rem;
  }
}

.dash-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.dash-table th,
.dash-table td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--admin-border);
}

.dash-table th {
  color: var(--admin-text-muted);
  font-weight: 600;
}

.dash-low-item {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--admin-border);
  font-size: 0.88rem;
}

.dash-low-qty {
  font-weight: 700;
  color: #E53E3E;
}

.dash-empty {
  color: var(--admin-text-muted);
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

/* Estadisticas: filtros */
.estad-filtros {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.estad-presets {
  display: flex;
  gap: 0.4rem;
}

.estad-presets button {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--admin-border);
  border-radius: 50px;
  background: var(--admin-card);
  color: var(--azul-marino);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all .2s;
}

.estad-presets button.active {
  background: var(--naranja);
  color: #fff;
  border-color: var(--naranja);
}

.estad-fechas {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.estad-fechas .form-control {
  width: auto;
  padding: 0.4rem 0.6rem;
}

.estad-filtros #btn-export {
  margin-left: auto;
}

.dash-panel canvas {
  max-width: 100%;
}

/* Table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
  font-size: 0.875rem;
}

.admin-table th {
  background: var(--admin-bg);
  font-weight: 600;
  color: var(--admin-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-table tr:hover {
  background: #F7FAFC;
}

.admin-table img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 4px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radio);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transicion);
  border: none;
}

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

.btn-primary:hover {
  background: #E55D00;
}

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

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

.btn-danger {
  background: #FED7D7;
  color: #C53030;
}

.btn-danger:hover {
  background: #FEB2B2;
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--admin-text);
}

.form-control {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--admin-border);
  border-radius: var(--radio);
  font-size: 0.875rem;
  transition: border-color var(--transicion);
  background: var(--blanco);
}

.form-control:focus {
  outline: none;
  border-color: var(--naranja);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.1);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--naranja);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--admin-card);
  border-radius: var(--radio-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--admin-border);
}

.modal-header h3 {
  font-size: 1.1rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--admin-text-muted);
  line-height: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--admin-border);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
}

.badge-success {
  background: #C6F6D5;
  color: #22543D;
}

.badge-danger {
  background: #FED7D7;
  color: #9B2C2C;
}

.badge-warning {
  background: #FEFCBF;
  color: #744210;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1rem;
  border-radius: var(--radio);
  font-size: 0.875rem;
  color: var(--blanco);
  box-shadow: var(--sombra-md);
  animation: slideIn 0.3s ease;
  max-width: 350px;
}

.toast-success { background: #38A169; }
.toast-error { background: #E53E3E; }
.toast-warning { background: #D69E2E; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Image upload preview */
.upload-area {
  border: 2px dashed var(--admin-border);
  border-radius: var(--radio);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transicion);
}

.upload-area:hover {
  border-color: var(--naranja);
  background: rgba(255,107,0,0.03);
}

.upload-area img {
  max-width: 200px;
  max-height: 200px;
  margin: 0 auto;
  border-radius: 4px;
}

.upload-area p {
  color: var(--admin-text-muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--azul-marino);
}

.login-card {
  background: var(--admin-card);
  border-radius: var(--radio-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--sombra-md);
}

.login-card h1 {
  text-align: center;
  color: var(--naranja);
  margin-bottom: 0.25rem;
  font-size: 1.5rem;
}

.login-card .subtitle {
  text-align: center;
  color: var(--admin-text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.login-card .btn-primary {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
}

.login-error {
  background: #FED7D7;
  color: #C53030;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radio);
  font-size: 0.8rem;
  margin-bottom: 1rem;
  display: none;
}

/* Responsive */
@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .admin-table {
    font-size: 0.8rem;
  }
}