/* ============================================================================
   Farmacia — Sistema con Sidebar y Tonos Crema
   Diseño profesional con menú lateral y paleta cálida
   ========================================================================== */

:root {
  /* Paleta Crema Profesional */
  --bg-app: #F5F1E8;
  --bg-sidebar: #FEFDFB;
  --surface: #FFFEF9;
  --surface-hover: #F9F6ED;
  --border: #E8E3D5;
  --border-light: #F0EDE3;

  /* Texto con escala cálida */
  --text-primary: #2C2416;
  --text-secondary: #6B6250;
  --text-tertiary: #9B9380;
  --text-inverse: #FFFFFF;
  --text-muted: #8A8170;

  /* Color primario - Azul cálido */
  --primary: #4A7BA7;
  --primary-hover: #3D6A94;
  --primary-light: #E8F0F7;
  --primary-soft: #F4F8FB;
  --primary-dark: #2F5A7F;

  /* Color secundario - Verde salud cálido */
  --secondary: #5F9B8D;
  --secondary-hover: #4D8879;
  --secondary-light: #E8F3F0;
  --secondary-dark: #3D6F64;

  /* Estados semánticos con tonos cálidos */
  --success: #5F9B8D;
  --success-light: #ECF5F2;
  --success-dark: #3D6F64;

  --warning: #E89B4F;
  --warning-light: #FDF5EB;
  --warning-dark: #CC7A2F;

  --danger: #D97066;
  --danger-light: #FCF0EE;
  --danger-dark: #B84F45;

  --info: #4A7BA7;
  --info-light: #E8F0F7;

  /* Sombras suaves */
  --shadow-xs: 0 1px 2px 0 rgba(44,36,22,0.04);
  --shadow-sm: 0 2px 4px 0 rgba(44,36,22,0.06);
  --shadow: 0 4px 8px 0 rgba(44,36,22,0.08);
  --shadow-md: 0 6px 12px 0 rgba(44,36,22,0.10);
  --shadow-lg: 0 10px 20px 0 rgba(44,36,22,0.12);
  --shadow-xl: 0 14px 28px 0 rgba(44,36,22,0.15);

  /* Espaciado */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Sidebar */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 80px;
}

/* ==================== RESET Y BASE ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  background-color: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ==================== LAYOUT CON SIDEBAR ==================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  transition: width 0.3s ease;
}

/* Header del sidebar */
.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.sidebar-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Navegación */
.sidebar-nav {
  flex: 1;
  padding: 20px 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 12px 8px 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  margin-bottom: 4px;
  cursor: pointer;
}

.nav-item:hover {
  background-color: var(--surface-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.nav-item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-item-badge {
  margin-left: auto;
  background-color: var(--danger);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

/* Footer del sidebar - Perfil */
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-light);
}

.sidebar-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text-primary);
}

.sidebar-profile:hover {
  background-color: var(--surface-hover);
}

.sidebar-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}

.sidebar-profile-info {
  flex: 1;
  min-width: 0;
}

.sidebar-profile-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-profile-role {
  font-size: 12px;
  color: var(--text-secondary);
}

/* CONTENIDO PRINCIPAL */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

.main-content {
  flex: 1;
  padding: 32px;
  background-color: var(--bg-app);
}

/* Header de página */
.page-header {
  margin-bottom: 24px;
}

.page-header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.page-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 400;
}

.page-actions {
  display: flex;
  gap: 12px;
}

/* ==================== CARDS PROFESIONALES ==================== */
.card {
  background-color: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s;
}

.card:hover {
  border-color: #DDD8C8;
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: 0 0 20px 0;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Metric cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.metric-card {
  background-color: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow-xs);
  min-height: 140px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.2s;
}

.metric-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transform: translateY(-2px);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.metric-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.2px;
}

.metric-value {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
}

.metric-change {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ==================== ALERTAS ==================== */
.alerts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.alert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 10px;
  margin-bottom: 12px;
}

.alert-item.warning {
  background-color: var(--warning-light);
  border: 1px solid var(--warning);
}

.alert-item.danger {
  background-color: var(--danger-light);
  border: 1px solid var(--danger);
}

.alert-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.alert-info {
  flex: 1;
}

.alert-info .nombre {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 4px;
}

.alert-info .detalle {
  font-size: 12px;
  color: var(--text-secondary);
}

.empty-state {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 13px;
  padding: 14px;
}

/* ==================== BOTONES ==================== */
.button, button {
  background-color: var(--primary);
  color: white;
  border-radius: 10px;
  padding: 11px 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  border: none;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s;
}

.button:hover, button:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

.button:active, button:active {
  background-color: var(--primary-dark);
  box-shadow: none;
  transform: translateY(1px);
}

.button:disabled, button:disabled {
  opacity: 0.4;
  cursor: default;
}

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

.button.secondary:hover {
  background-color: var(--surface-hover);
  border-color: #D0C9B5;
}

.button.ghost {
  background-color: transparent;
  color: var(--text-secondary);
  box-shadow: none;
}

.button.ghost:hover {
  background-color: var(--surface-hover);
  color: var(--text-primary);
}

.button.success {
  background-color: var(--success);
}

.button.success:hover {
  background-color: var(--success-dark);
}

.button.warning {
  background-color: var(--warning);
}

.button.warning:hover {
  background-color: var(--warning-dark);
}

.button.danger {
  background-color: var(--danger);
}

.button.danger:hover {
  background-color: var(--danger-dark);
}

.button.small {
  padding: 8px 14px;
  font-size: 13px;
}

.button.large {
  padding: 14px 28px;
  font-size: 15px;
}

/* ==================== CAMPOS DE ENTRADA ==================== */
input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="date"],
select,
textarea {
  background-color: var(--surface);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-family: inherit;
  transition: all 0.2s;
  width: 100%;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: 0 0 0 3px rgba(74,123,167,0.12);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--bg-app);
  opacity: 0.6;
  cursor: not-allowed;
}

input::placeholder {
  color: var(--text-tertiary);
}

/* ==================== TABLAS ==================== */
table {
  width: 100%;
  background-color: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}

thead {
  background-color: var(--surface-hover);
  border-bottom: 1px solid var(--border);
}

thead th {
  padding: 14px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.2s;
}

tbody tr:hover {
  background-color: var(--primary-soft);
  cursor: pointer;
}

tbody tr:last-child {
  border-bottom: none;
}

tbody td {
  padding: 14px 20px;
  color: var(--text-primary);
  font-size: 14px;
}

/* Estados de tabla */
tbody tr.low-stock {
  background-color: var(--danger-light) !important;
}

tbody tr.medium-stock {
  background-color: var(--warning-light) !important;
}

tbody tr.in-stock {
  background-color: var(--success-light) !important;
}

tbody tr.expired {
  background-color: var(--danger-light) !important;
}

tbody tr.expiring-soon {
  background-color: var(--warning-light) !important;
}

/* ==================== BADGES ==================== */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}

.badge.success {
  background-color: var(--success-light);
  color: var(--success-dark);
}

.badge.warning {
  background-color: var(--warning-light);
  color: var(--warning-dark);
}

.badge.danger {
  background-color: var(--danger-light);
  color: var(--danger-dark);
}

.badge.info {
  background-color: var(--info-light);
  color: var(--primary-dark);
}

.badge.neutral {
  background-color: var(--surface-hover);
  color: var(--text-secondary);
}

/* ==================== CONFIGURACIÓN - LAYOUT ESPECÍFICO ==================== */
.settings-grid {
  display: grid;
  gap: 20px;
}

.settings-section {
  background-color: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow-xs);
}

.settings-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.settings-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}

.settings-item:last-child {
  border-bottom: none;
}

.settings-item-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.settings-item-info p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==================== PERFIL DE USUARIO ==================== */
.profile-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 32px;
  background-color: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.profile-avatar-large {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 32px;
}

.profile-info h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.profile-info p {
  font-size: 14px;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
}

/* ==================== MOBILE MENU TOGGLE ==================== */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 200;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all 0.2s;
}

.mobile-menu-toggle:hover {
  background-color: var(--surface-hover);
  box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-primary);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(44, 36, 22, 0.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

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

  .mobile-overlay.active {
    display: block;
  }

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

  .main-content {
    padding: 80px 20px 20px 20px;
  }
}

@media (max-width: 640px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .main-content {
    padding: 80px 16px 16px 16px;
  }

  .page-title {
    font-size: 24px;
  }

  .page-header-top {
    flex-direction: column;
    gap: 16px;
  }

  .page-actions {
    width: 100%;
    flex-direction: column;
  }

  .button {
    width: 100%;
    justify-content: center;
  }
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #C5BDAA;
}