/* =========================================================
   GLAV - Sistema de Gestión de Lavandería Industrial
   Design System & Core Styles (Light-Dominant Architecture)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* =========================================================
     PALETA DE COLORES BASE ESPECIFICADA
     ========================================================= */
  /* Colores Claros (Dominantes en Maquetación y Superficies) */
  --color-1-light: #FCDED7;  /* Melocotón / Coral suave */
  --color-2-light: #FCF1D7;  /* Crema cálido / Vainilla lino */
  --color-3-light: #F5FCD7;  /* Salvia claro / Apio / Menta pastel */

  /* Colores Oscuros (Textos, Énfasis, Acciones y Contraste) */
  --color-1-dark: #356B50;   /* Verde bosque / Pino profundo */
  --color-2-dark: #356B6B;   /* Verde azulado marino / Teal pizarra */
  --color-3-dark: #35506B;   /* Azul pizarra profundo / Midnight navy */

  /* Alias semánticos */
  --color-peach: var(--color-1-light);
  --color-cream: var(--color-2-light);
  --color-sage: var(--color-3-light);
  --color-forest: var(--color-1-dark);
  --color-teal: var(--color-2-dark);
  --color-navy: var(--color-3-dark);

  /* =========================================================
     FONDOS Y SUPERFICIES (PREVALENCIA DE COLORES CLAROS)
     ========================================================= */
  --bg-main: #F8F9F5;              /* Fondo general sosegado y claro */
  --bg-surface: #FFFFFF;           /* Tarjetas, paneles y modales principales */
  --bg-surface-elevated: #FCF7EE;  /* Superficie elevada (Crema suave basado en #FCF1D7) */
  --bg-surface-hover: #F6FBE8;     /* Efecto hover suave (Salvia suave basado en #F5FCD7) */
  --bg-surface-accent: #FDF0EC;    /* Acento cálido (Melocotón suave basado en #FCDED7) */
  --bg-highlight: #FCF1D7;         /* Resaltado crema */

  /* =========================================================
     SISTEMA DE TEXTO (COLORES OSCUROS PARA MÁXIMA VISIBILIDAD)
     ========================================================= */
  --text-main: #1D3144;            /* Texto primario: Azul pizarra ultra profundo (Contraste AAA > 11:1) */
  --text-muted: #35506B;           /* Texto secundario (--color-3-dark) */
  --text-subtle: #4D6679;          /* Texto informativo de apoyo legible */
  --text-inverse: #FFFFFF;         /* Texto sobre botones o insignias oscuras */

  /* =========================================================
     ACCIONES Y ROLES PRIMARIOS
     ========================================================= */
  --primary: #356B6B;              /* Teal marino para acciones primarias */
  --primary-hover: #264F4F;
  --primary-light: rgba(53, 107, 107, 0.12);
  --primary-glow: rgba(53, 107, 107, 0.25);

  --secondary: #35506B;            /* Azul pizarra para acciones secundarias */
  --secondary-hover: #23384D;

  /* Acentos funcionales en armonía con la paleta */
  --accent-cyan: #356B6B;
  --accent-teal: #356B6B;
  --accent-emerald: #356B50;
  --accent-amber: #946200;
  --accent-rose: #A33A2C;
  --accent-purple: #35506B;

  /* Estados Funcionales */
  --success-text: #204833;
  --success-bg: #F5FCD7;
  --success-border: #356B50;

  --warning-text: #784E07;
  --warning-bg: #FCF1D7;
  --warning-border: #D19C2C;

  --danger-text: #8E2F23;
  --danger-bg: #FCDED7;
  --danger-border: #DF7E72;

  --info-text: #204B50;
  --info-bg: #E7F3F3;
  --info-border: #356B6B;

  /* =========================================================
     BORDES, SOMBRAS Y RADIOS
     ========================================================= */
  --border-color: rgba(53, 80, 107, 0.14);
  --border-color-light: rgba(53, 80, 107, 0.08);
  --border-focus: #356B6B;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(53, 80, 107, 0.06);
  --shadow-md: 0 4px 14px rgba(53, 80, 107, 0.08);
  --shadow-lg: 0 10px 30px rgba(53, 80, 107, 0.12);
  --shadow-glow: 0 0 18px rgba(53, 107, 107, 0.2);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --sidebar-width: 270px;
  --header-height: 70px;
}

/* =========================================================
   RESET & BASE STYLES
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-2-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-3-dark);
  font-weight: 700;
  line-height: 1.25;
}

/* =========================================================
   APP LAYOUT
   ========================================================= */
.app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  background-color: var(--bg-main);
  position: relative;
}

/* =========================================================
   SIDEBAR (MAQUETACIÓN CLARA Y ELEGANTE)
   ========================================================= */
.app-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
  box-shadow: 2px 0 12px rgba(53, 80, 107, 0.04);
  transition: transform var(--transition-normal);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: linear-gradient(180deg, #FFFFFF, var(--bg-surface-elevated));
  border-bottom: 1px solid var(--border-color);
}

.logo-badge {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-1-dark), var(--color-2-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(53, 107, 80, 0.28);
}

.logo-text h1 {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--color-3-dark);
  background: none;
  -webkit-text-fill-color: initial;
}

.logo-text p {
  font-size: 0.7rem;
  color: var(--color-2-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 1.25rem 0.75rem;
  overflow-y: auto;
}

.sidebar-nav::-webkit-scrollbar {
  width: 5px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

.nav-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-subtle);
  letter-spacing: 1px;
  padding: 0.6rem 0.75rem 0.35rem 0.75rem;
  margin-top: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  transition: all var(--transition-fast);
}

.nav-item i {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
  color: var(--color-2-dark);
  transition: color var(--transition-fast);
}

.nav-item:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  transform: translateX(3px);
}

.nav-item:hover i {
  color: var(--color-3-dark);
}

.nav-item.active {
  background: linear-gradient(90deg, var(--color-3-light), rgba(252, 241, 215, 0.5));
  color: var(--success-text);
  font-weight: 700;
  border-left: 4px solid var(--color-1-dark);
  box-shadow: 0 2px 6px rgba(53, 107, 80, 0.08);
}

.nav-item.active i {
  color: var(--color-1-dark);
}

/* Menú Multinivel Jerárquico */
.nav-group {
  margin-bottom: 0.4rem;
}

.nav-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  font-size: 0.885rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  background: transparent;
  border: none;
  text-align: left;
  transition: all var(--transition-fast);
}

.nav-group-header:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
}

.nav-group-header:hover .nav-group-icon {
  color: var(--color-3-dark);
}

.nav-group-header:hover .nav-group-chevron {
  color: var(--color-3-dark);
}

.nav-group.open > .nav-group-header {
  color: var(--color-3-dark);
  background: var(--color-2-light);
  font-weight: 700;
}

.nav-group.open > .nav-group-header .nav-group-icon {
  color: var(--color-2-dark);
}

.nav-group.has-active > .nav-group-header {
  color: var(--color-2-dark);
  background: rgba(252, 241, 215, 0.65);
}

.nav-group.has-active > .nav-group-header .nav-group-icon {
  color: var(--color-1-dark);
}

.nav-group-title {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-group-icon {
  font-size: 1.05rem;
  width: 22px;
  text-align: center;
  color: var(--color-2-dark);
  transition: color var(--transition-fast);
}

.nav-group-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-group-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--color-2-light);
  color: var(--color-3-dark);
  border: 1px solid rgba(53, 80, 107, 0.14);
}

.nav-group-chevron {
  font-size: 0.72rem;
  color: var(--text-subtle);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), color var(--transition-fast);
}

.nav-group.open .nav-group-chevron {
  transform: rotate(180deg);
  color: var(--color-2-dark);
}

/* Segundo Nivel (Submenú) */
.nav-submenu {
  display: flex;
  flex-direction: column;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-left: 0.85rem;
  margin-left: 0.75rem;
  border-left: 2px solid rgba(53, 80, 107, 0.14);
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, margin 0.25s ease;
}

.nav-group.open .nav-submenu {
  max-height: 1200px;
  opacity: 1;
  margin-top: 0.35rem;
  margin-bottom: 0.5rem;
}

.nav-subitem {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  margin-bottom: 0.15rem;
  position: relative;
}

.nav-subitem i {
  font-size: 0.9rem;
  width: 18px;
  text-align: center;
  color: var(--color-2-dark);
  transition: color var(--transition-fast);
}

.nav-subitem:hover {
  color: var(--text-main);
  background: var(--bg-surface-hover);
}

.nav-subitem:hover i {
  color: var(--color-1-dark);
}

.nav-subitem.active {
  background: var(--color-3-light);
  color: var(--success-text);
  font-weight: 700;
  border-left: 3px solid var(--color-1-dark);
}

.nav-subitem.active i {
  color: var(--color-1-dark);
}

/* Footer del Sidebar */
.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface-elevated);
}

.user-mini-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-2-dark), var(--color-3-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #ffffff;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(53, 80, 107, 0.2);
}

.user-mini-info {
  flex: 1;
  overflow: hidden;
}

.user-mini-info .name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-3-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-mini-info .role-tag {
  font-size: 0.72rem;
  color: var(--color-1-dark);
  font-weight: 600;
}

/* =========================================================
   MAIN CONTENT AREA
   ========================================================= */
.app-main {
  flex: 1 1 auto;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
  width: calc(100% - var(--sidebar-width));
  max-width: calc(100% - var(--sidebar-width));
  background-color: var(--bg-main);
  transition: margin-left var(--transition-normal);
  box-sizing: border-box;
}

/* =========================================================
   HEADER (VIDRIO TRANSLÚCIDO CLARO)
   ========================================================= */
.app-header {
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 1px 6px rgba(53, 80, 107, 0.03);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--color-3-dark);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.menu-toggle-btn:hover {
  background: var(--color-2-light);
  color: var(--color-3-dark);
}

.page-title h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-3-dark);
}

.page-title p {
  font-size: 0.8rem;
  color: var(--text-subtle);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.system-status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-3-light);
  border: 1px solid var(--color-1-dark);
  color: var(--success-text);
  font-size: 0.75rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(53, 107, 80, 0.08);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-1-dark);
  box-shadow: 0 0 8px rgba(53, 107, 80, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.header-action-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--color-3-dark);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.header-action-btn:hover {
  background: var(--color-2-light);
  color: var(--color-2-dark);
  border-color: var(--color-2-dark);
}

/* =========================================================
   MAIN WORKSPACE VIEW
   ========================================================= */
.app-content {
  flex: 1 0 auto;
  padding: 2rem;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* =========================================================
   CARDS & SURFACES (CLARAS, PULCRAS Y ELEVADAS)
   ========================================================= */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

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

.card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-3-dark);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-title i {
  color: var(--color-2-dark);
}

/* =========================================================
   BUTTONS (SISTEMA ARMONIOSO CON ALTO CONTRASTE)
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-2-dark), #265454);
  color: #ffffff !important;
  box-shadow: 0 3px 10px rgba(53, 107, 107, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2A5858, #1E4242);
  box-shadow: 0 5px 14px rgba(53, 107, 107, 0.35);
  color: #ffffff !important;
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  border-color: var(--border-color);
  color: var(--color-3-dark);
}

.btn-secondary:hover {
  background: var(--color-2-light);
  border-color: var(--color-3-dark);
  color: var(--text-main);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-1-dark), #25503B);
  color: #ffffff !important;
  box-shadow: 0 3px 10px rgba(53, 107, 80, 0.25);
}

.btn-success:hover {
  background: linear-gradient(135deg, #2A5540, #1C3D2C);
  color: #ffffff !important;
}

.btn-danger {
  background: var(--color-1-light);
  border-color: var(--danger-border);
  color: var(--danger-text);
  font-weight: 700;
}

.btn-danger:hover {
  background: var(--danger-text);
  color: #ffffff !important;
  border-color: var(--danger-text);
}

.btn-sm {
  padding: 0.35rem 0.8rem;
  font-size: 0.775rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* =========================================================
   FORM CONTROLS (FONDOS BLANCOS, BORDES SUTILES, TEXTO OSCURO)
   ========================================================= */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.835rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: var(--color-3-dark);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.95rem;
  background: #FFFFFF;
  border: 1px solid rgba(53, 80, 107, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-2-dark);
  box-shadow: 0 0 0 3px rgba(53, 107, 107, 0.15);
}

.form-select {
  width: 100%;
  padding: 0.65rem 0.95rem;
  background: #FFFFFF;
  border: 1px solid rgba(53, 80, 107, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus {
  border-color: var(--color-2-dark);
  box-shadow: 0 0 0 3px rgba(53, 107, 107, 0.15);
}

/* =========================================================
   TABLES (ENCABEZADOS CREMA, CELDAS BLANCAS, TEXTO OSCURO)
   ========================================================= */
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}

.table-responsive::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}
.table-responsive::-webkit-scrollbar-track {
  background: var(--bg-surface-elevated, #fdfbf7);
  border-radius: 4px;
}
.table-responsive::-webkit-scrollbar-thumb {
  background: var(--color-2-dark, #356B6B);
  border-radius: 4px;
  opacity: 0.7;
}
.table-responsive::-webkit-scrollbar-thumb:hover {
  background: var(--color-1-dark, #356B50);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.885rem;
}

.custom-table th {
  background: var(--color-2-light);
  padding: 0.95rem 1rem;
  font-weight: 800;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  color: var(--color-3-dark);
  border-bottom: 2px solid rgba(53, 80, 107, 0.18);
}

.custom-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  color: var(--text-main);
  background: #FFFFFF;
}

.custom-table tr:hover td {
  background: rgba(245, 252, 215, 0.5); /* Salvia suave en hover */
}

/* =========================================================
   BADGES (FONDOS CLAROS CON TEXTOS Y BORDES OSCUROS)
   ========================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 700;
}

.badge-primary {
  background: rgba(53, 107, 107, 0.12);
  color: var(--color-2-dark);
  border: 1px solid var(--color-2-dark);
}

.badge-success {
  background: var(--color-3-light);
  color: var(--success-text);
  border: 1px solid var(--color-1-dark);
}

.badge-warning {
  background: var(--color-2-light);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

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

.badge-info {
  background: var(--info-bg);
  color: var(--info-text);
  border: 1px solid var(--info-border);
}

.badge-purple, .badge-secondary {
  background: rgba(53, 80, 107, 0.1);
  color: var(--color-3-dark);
  border: 1px solid rgba(53, 80, 107, 0.25);
}

/* =========================================================
   FOOTER (STICKY TO BOTTOM & HARMONIOUS LIGHT/DARK CONTRAST)
   ========================================================= */
.app-footer {
  margin-top: auto;
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.825rem;
  color: var(--text-subtle);
  background: var(--bg-surface);
  flex-wrap: wrap;
  z-index: 10;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-copyright {
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 500;
}

.footer-copyright strong {
  color: var(--color-3-dark);
}

.footer-credits {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.footer-credits strong {
  color: var(--color-1-dark);
  font-weight: 700;
}

.footer-credits a {
  color: var(--color-2-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.footer-credits a:hover {
  color: var(--color-1-dark);
}

.footer-right {
  font-size: 0.75rem;
  color: var(--text-subtle);
  white-space: nowrap;
}

/* =========================================================
   SISTEMA DE DISEÑO RESPONSIVO (RESPONSIVE DESIGN)
   ========================================================= */
.sidebar-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(53, 80, 107, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.sidebar-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.sidebar-close-btn {
  display: none;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--color-3-dark);
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: auto;
  transition: all var(--transition-fast);
}

.sidebar-close-btn:hover {
  color: var(--danger-text);
  border-color: var(--danger-border);
  background: var(--color-1-light);
}

@media (max-width: 992px) {
  .app-sidebar {
    transform: translateX(-100%);
    box-shadow: 10px 0 30px rgba(53, 80, 107, 0.25);
    z-index: 999;
  }

  .app-sidebar.show {
    transform: translateX(0);
  }

  .sidebar-close-btn {
    display: flex;
  }

  .app-main {
    margin-left: 0;
    width: 100%;
    max-width: 100%;
  }

  .menu-toggle-btn {
    display: flex;
  }

  .app-header {
    padding: 0.85rem 1.25rem;
  }

  .app-content {
    padding: 1.25rem;
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 0.75rem 1rem;
    gap: 0.75rem;
  }

  .page-title h2 {
    font-size: 1.1rem;
  }

  .page-title p {
    display: none;
  }

  .system-status-badge span:not(.status-dot) {
    display: none;
  }

  .system-status-badge {
    padding: 0.4rem 0.5rem;
  }

  .app-content {
    padding: 1rem 0.75rem;
  }

  .card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .card-header > div:last-child {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .app-footer {
    padding: 1.25rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    text-align: left;
  }
}

@media (max-width: 576px) {
  :root {
    --header-height: 60px;
  }

  .page-title h2 {
    font-size: 0.95rem;
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .btn {
    padding: 0.55rem 0.9rem;
    font-size: 0.825rem;
  }

  .btn-icon {
    width: 32px;
    height: 32px;
  }

  .modal-box {
    width: calc(100vw - 1.5rem);
    max-height: 90vh;
    padding: 0;
  }

  .modal-header {
    padding: 1rem 1.25rem;
  }

  .modal-body {
    padding: 1.25rem 1rem;
  }

  .modal-footer {
    padding: 1rem 1.25rem;
    flex-direction: column-reverse;
  }

  .modal-footer .btn {
    width: 100%;
  }

  .custom-table th, .custom-table td {
    padding: 0.65rem 0.75rem;
    font-size: 0.8rem;
  }
}

/* =========================================================
   COMPONENTES ESPECÍFICOS DE CONTROL OPERATIVO
   ========================================================= */

/* Selector de Modo de Toma de Inventario */
.inventory-mode-card {
  background: linear-gradient(135deg, var(--color-2-light) 0%, var(--color-3-light) 100%);
  border: 1px solid rgba(53, 80, 107, 0.18);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.mode-selector-btn-group {
  display: inline-flex;
  background: #FFFFFF;
  border: 1px solid rgba(53, 80, 107, 0.16);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
  box-shadow: var(--shadow-sm);
}

.mode-btn {
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mode-btn.active {
  background: var(--color-2-dark);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(53, 107, 107, 0.3);
}

.mode-btn:disabled, .mode-btn.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.badge-locked {
  background: var(--color-1-light);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Paleta de Colores para Áreas */
.color-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.color-swatch-item {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.8rem;
}

.color-swatch-item:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(53, 80, 107, 0.25);
}

.color-swatch-item.selected {
  border-color: var(--color-3-dark);
  box-shadow: 0 0 10px rgba(53, 80, 107, 0.4);
}

/* Badge de Color de Área */
.area-color-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(53, 80, 107, 0.2);
}

.area-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

/* Dropdown de Búsqueda Predictiva */
.search-results-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #FFFFFF;
  border: 1px solid var(--color-2-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 280px;
  overflow-y: auto;
  z-index: 100;
  margin-top: 4px;
}

.search-result-item {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-main);
}

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

.search-result-item:hover {
  background: var(--color-3-light);
  color: var(--color-3-dark);
}

/* Switch Toggle Rápido */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(53, 80, 107, 0.22);
  transition: .25s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .25s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(53, 80, 107, 0.25);
}

input:checked + .toggle-slider {
  background-color: var(--color-1-dark);
}

input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* =========================================================
   REGLAS DE REFUERZO DE VISIBILIDAD (HIGH-CONTRAST OVERRIDES)
   Garantiza que títulos, KPIs y textos sobre tarjetas claras
   conserven colores oscuros de alta legibilidad
   ========================================================= */
.card h1, .card h2, .card h3, .card h4,
.card-header h1, .card-header h2, .card-header h3,
.modal-title, .page-title h2 {
  color: var(--color-3-dark) !important;
}

/* Sobrescribe textos que antes tenían inline white en vistas */
.card [style*="color:#ffffff"]:not(.btn):not(.badge):not(.area-color-pill):not(.user-avatar):not(.logo-badge),
.card [style*="color: #ffffff"]:not(.btn):not(.badge):not(.area-color-pill):not(.user-avatar):not(.logo-badge),
.card [style*="color:#fff"]:not(.btn):not(.badge):not(.area-color-pill):not(.user-avatar):not(.logo-badge),
.card [style*="color: #fff"]:not(.btn):not(.badge):not(.area-color-pill):not(.user-avatar):not(.logo-badge) {
  color: var(--text-main) !important;
}