/* ==============================================================================
   SURGAS - SISTEMA DE CONTROL DE ASISTENCIA Y DESPACHO DE GAS
   HOJA DE ESTILOS PIXEL-PERFECT BASADA EN EL SISTEMA ORIGINAL
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@500;600;700&display=swap');

:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Paleta Principal */
  --bg-sidebar: #141b27;
  --bg-sidebar-hover: #1c2637;
  --bg-sidebar-active: #222e43;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  
  /* Textos */
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  /* Colores de Marca y Acciones */
  --color-primary: #1868df;
  --color-primary-hover: #1355b8;
  --color-success: #059669;
  --color-success-hover: #047857;
  --color-emerald: #10b981;
  --color-warning: #f59e0b;
  --color-orange: #ea580c;
  --color-orange-tardanza: #f97316;
  --color-danger: #ef4444;
  --color-purple: #8b5cf6;
  --color-cyan: #06b6d4;
  
  /* Bordes y Sombras */
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-dark);
  font-size: 14px;
  line-height: 1.5;
  display: flex;
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------------------------
   SIDEBAR SURGAS
   ------------------------------------------------------------------------------ */
.sidebar {
  width: 250px;
  background-color: var(--bg-sidebar);
  color: var(--text-white);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  padding: 1.25rem 1rem;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 50;
  transition: transform 0.25s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.5rem 1.5rem 0.5rem;
}

.sidebar-brand .brand-logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffffff;
  text-transform: uppercase;
}

.sidebar-brand .brand-tag {
  font-size: 10px;
  background: rgba(24, 104, 223, 0.2);
  color: #60a5fa;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

/* Botones Principales en el Sidebar */
.btn-sidebar-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: var(--text-white);
  padding: 0.75rem 1rem;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(24, 104, 223, 0.35);
  margin-bottom: 1.5rem;
  transition: background-color 0.15s, transform 0.1s;
}

.btn-sidebar-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-sidebar-green {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-success);
  color: var(--text-white);
  padding: 0.75rem 1rem;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3);
  margin-bottom: 1rem;
  transition: background-color 0.15s, transform 0.1s;
}

.btn-sidebar-green:hover {
  background-color: var(--color-success-hover);
  transform: translateY(-1px);
}

/* Secciones y Navegación */
.sidebar-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: #64748b;
  letter-spacing: 0.75px;
  text-transform: uppercase;
  padding: 1.25rem 0.75rem 0.5rem 0.75rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.85rem;
  color: #94a3b8;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.nav-item:hover {
  color: #ffffff;
  background-color: var(--bg-sidebar-hover);
}

.nav-item.active {
  color: #ffffff;
  background-color: var(--bg-sidebar-active);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--color-primary);
}

.nav-item svg, .nav-item i {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 11px;
  color: #64748b;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.db-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.db-status-badge.offline {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

/* ------------------------------------------------------------------------------
   CONTENEDOR PRINCIPAL
   ------------------------------------------------------------------------------ */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* Barra superior móvil */
.mobile-topbar {
  display: none;
  height: 56px;
  background-color: var(--bg-sidebar);
  color: #ffffff;
  padding: 0 1rem;
  align-items: center;
  justify-content: space-between;
}

.btn-toggle-menu {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.25rem;
  cursor: pointer;
}

/* Área de contenido con scroll */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 2rem 2.5rem;
}

/* Encabezado de Página */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.page-title-block h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.page-title-block p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.page-header-actions {
  display: flex;
  gap: 0.75rem;
}

/* ------------------------------------------------------------------------------
   BOTONES Y COMPONENTES GLOBALES
   ------------------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  user-select: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-success {
  background-color: var(--color-success);
  color: #ffffff;
}
.btn-success:hover {
  background-color: var(--color-success-hover);
}

.btn-outline {
  background-color: #ffffff;
  border-color: var(--border-color);
  color: var(--text-dark);
}
.btn-outline:hover {
  background-color: #f1f5f9;
}

.btn-outline-primary {
  background-color: #ffffff;
  border-color: #bfdbfe;
  color: var(--color-primary);
}
.btn-outline-primary:hover {
  background-color: #eff6ff;
}

/* Tarjetas */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.card-body {
  padding: 1.25rem 1.5rem;
}

/* Filtro Mes */
.filter-bar {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-control {
  height: 38px;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text-dark);
  background-color: #ffffff;
  outline: none;
  transition: border-color 0.15s;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(24, 104, 223, 0.15);
}

/* ------------------------------------------------------------------------------
   VISTA 1: MATRIZ DE ASISTENCIAS
   ------------------------------------------------------------------------------ */
.matrix-container {
  overflow-x: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: #ffffff;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 0.84rem;
}

.matrix-table th, .matrix-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid #f1f5f9;
  white-space: nowrap;
}

.matrix-table th {
  background-color: #f8fafc;
  color: #475569;
  font-weight: 600;
  font-size: 0.82rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.matrix-table th:first-child,
.matrix-table td:first-child {
  position: sticky;
  left: 0;
  background-color: #ffffff;
  font-weight: 600;
  z-index: 12;
  border-right: 2px solid var(--border-color);
  color: #1e293b;
}

.matrix-table th:first-child {
  background-color: #f8fafc;
  z-index: 15;
}

.matrix-table tr:hover td {
  background-color: #f8fafc;
}

/* Badges de Asistencia */
.badge-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 36px;
  height: 26px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.82rem;
}

.badge-status.p {
  color: #475569;
  background-color: transparent;
  font-weight: 500;
}

.badge-status.f {
  background-color: #f59e0b; /* Amarillo / Ámbar vibrante de la captura */
  color: #ffffff;
}

.badge-status.t {
  background-color: #ea580c; /* Naranja / Rojizo vibrante */
  color: #ffffff;
}

.badge-status.dash {
  color: #94a3b8;
}

/* ------------------------------------------------------------------------------
   VISTA 2: TARDANZAS
   ------------------------------------------------------------------------------ */
.tardanza-card {
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.tardanza-header {
  background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
  color: #ffffff;
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.tardanza-user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
}

.tardanza-user-meta h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.tardanza-user-meta p {
  font-size: 0.85rem;
  opacity: 0.9;
}

.tardanza-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  text-align: right;
}

.tardanza-stat-item .stat-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  opacity: 0.85;
}

.tardanza-stat-item .stat-val {
  font-size: 1.3rem;
  font-weight: 800;
}

.tardanza-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
}

.tardanza-table th, .tardanza-table td {
  padding: 0.85rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.875rem;
}

.tardanza-table th {
  background-color: #fff7ed;
  color: #9a3412;
  font-weight: 600;
}

.badge-clock-tardanza {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: #ffedd5;
  color: #c2410c;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
}

.tardanza-table-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.75rem;
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  font-weight: 700;
}

.badge-total-pill {
  background-color: #ea580c;
  color: #ffffff;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.85rem;
}

/* ------------------------------------------------------------------------------
   VISTA 3: NUEVA ESQUELA (FORMULARIO MODULAR)
   ------------------------------------------------------------------------------ */
.esquela-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .esquela-layout {
    grid-template-columns: 1fr;
  }
}

.card-header-styled {
  padding: 0.85rem 1.25rem;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-gray { background-color: #374151; }
.header-green { background-color: #10b981; }
.header-orange { background-color: #f59e0b; }
.header-slate { background-color: #4b5563; }
.header-purple { background-color: #8b5cf6; }

.card-inputs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1.25rem;
}

.card-inputs-grid .form-group label {
  font-size: 0.78rem;
  color: #475569;
}

.number-input-lg {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  height: 42px;
}

.esquela-actions-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* ------------------------------------------------------------------------------
   VISTA 4: REGISTRAR ASISTENCIA (PASAR LISTA)
   ------------------------------------------------------------------------------ */
.attendance-register-table {
  width: 100%;
  border-collapse: collapse;
}

.attendance-register-table th, 
.attendance-register-table td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.attendance-register-table th {
  background-color: #f8fafc;
  color: #475569;
  font-weight: 600;
}

/* Toggle SI / NO Switches */
.toggle-group {
  display: inline-flex;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.btn-toggle {
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  border: none;
  background-color: #f1f5f9;
  color: #64748b;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-toggle.active-si {
  background-color: var(--color-emerald);
  color: #ffffff;
}

.btn-toggle.active-no {
  background-color: var(--color-danger);
  color: #ffffff;
}

/* ------------------------------------------------------------------------------
   VISTA 5: PANEL PRINCIPAL (DASHBOARD)
   ------------------------------------------------------------------------------ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (max-width: 1024px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.kpi-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.kpi-icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.kpi-blue { background-color: #eff6ff; color: var(--color-primary); }
.kpi-green { background-color: #ecfdf5; color: var(--color-emerald); }
.kpi-cyan { background-color: #ecfeff; color: var(--color-cyan); }
.kpi-yellow { background-color: #fefce8; color: var(--color-warning); }

.kpi-meta .kpi-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-meta .kpi-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
}

.quick-actions-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background-color: #1e293b;
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.25s ease;
}

.toast-success { background-color: #059669; }
.toast-error { background-color: #dc2626; }

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

/* Print Styles */
@media print {
  .sidebar, .page-header-actions, .filter-bar, .quick-actions-bar, .esquela-actions-footer {
    display: none !important;
  }
  body, .main-wrapper, .content-area {
    height: auto !important;
    overflow: visible !important;
    background: #ffffff !important;
    padding: 0 !important;
  }
}

/* ==============================================================================
   MODALES Y CRUD INTERACTIVO (ASISTENCIAS & ADELANTOS)
   ============================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
  width: 90%;
  max-width: 520px;
  overflow: hidden;
  transform: translateY(15px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 4px;
}

.modal-close-btn:hover {
  color: #dc2626;
}

.modal-body {
  padding: 1.5rem;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: #f8fafc;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Celdas interactivas de la matriz de asistencia */
.matrix-cell-interactive {
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
}

.matrix-cell-interactive:hover {
  outline: 2px solid #2563eb;
  outline-offset: -2px;
  background-color: #eff6ff !important;
}

.matrix-cell-interactive:hover::after {
  content: '✎';
  position: absolute;
  top: 2px;
  right: 2px;
  font-size: 9px;
  color: #2563eb;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
  padding: 0 2px;
}

/* Tabla de Adelantos */
.adelantos-table th {
  background-color: #006837;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.adelantos-table tbody tr:hover {
  background-color: #f1f5f9;
}

.adelantos-total-row td {
  background-color: #f8fafc;
  font-weight: 700;
  border-top: 2px solid #006837;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
  color: var(--text-muted);
}

.btn-icon:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

.btn-icon-danger:hover {
  background: #fee2e2;
  color: #dc2626;
}