/* ==========================================================================
   SigmaWeb Industrial Maintenance Design System
   Modern, Sober, Professional UI with Light & Dark Modes
   ========================================================================== */

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

/* --------------------------------------------------------------------------
   1. Theme Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Font Family */
  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Transition Timings */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Light Theme Colors (Default) */
  --bg-body: #f4f6f9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.92);
  --bg-sidebar: #1e293b;
  --bg-card: #ffffff;
  --bg-card-hover: #fafbfc;
  --bg-input: #ffffff;

  --border-color: #cbd5e1;
  --border-color-hover: #94a3b8;
  --border-focus: #2563eb;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #475569;
  --text-inverse: #ffffff;

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-light: #eff6ff;

  --accent-secondary: #0f172a;
  --accent-secondary-hover: #334155;

  /* Maintenance Status Colors */
  --status-detenida-bg: #fef2f2;
  --status-detenida-text: #dc2626;
  --status-detenida-border: #fecaca;
  --status-detenida-glow: rgba(220, 38, 38, 0.35);

  --status-operativa-bg: #ecfdf5;
  --status-operativa-text: #059669;
  --status-operativa-border: #a7f3d0;
  --status-operativa-glow: rgba(5, 150, 105, 0.35);

  --status-liberada-bg: #f0fdf4;
  --status-liberada-text: #16a34a;
  --status-liberada-border: #bbf7d0;

  --status-disponible-bg: #fffbeeb;
  --status-disponible-text: #d97706;
  --status-disponible-border: #fde68a;

  --status-condicionada-bg: #fff7ed;
  --status-condicionada-text: #ea580c;
  --status-condicionada-border: #ffedd5;
  --status-condicionada-glow: rgba(234, 88, 12, 0.35);

  /* Shadows & Elevation */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 30px -10px rgba(15, 23, 42, 0.15);

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   Dark Mode Override Tokens
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
  --bg-body: #0b0f19;
  --bg-surface: #151c2c;
  --bg-surface-elevated: #1e293b;
  --bg-header: rgba(21, 28, 44, 0.92);
  --bg-sidebar: #0f172a;
  --bg-card: #151c2c;
  --bg-card-hover: #1c2539;
  --bg-input: #1e293b;

  --border-color: #3b4d68;
  --border-color-hover: #475569;
  --border-focus: #60a5fa;

  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --text-inverse: #0f172a;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-light: rgba(59, 130, 246, 0.15);

  --accent-secondary: #475569;
  --accent-secondary-hover: #64748b;

  /* Maintenance Status Colors (Dark Mode High Contrast) */
  --status-detenida-bg: rgba(220, 38, 38, 0.25);
  --status-detenida-text: #fca5a5;
  --status-detenida-border: rgba(239, 68, 68, 0.5);
  --status-detenida-glow: rgba(239, 68, 68, 0.5);

  --status-operativa-bg: rgba(16, 185, 129, 0.25);
  --status-operativa-text: #6ee7b7;
  --status-operativa-border: rgba(16, 185, 129, 0.5);
  --status-operativa-glow: rgba(16, 185, 129, 0.5);

  --status-liberada-bg: rgba(34, 197, 94, 0.25);
  --status-liberada-text: #86efac;
  --status-liberada-border: rgba(34, 197, 94, 0.5);

  --status-disponible-bg: rgba(245, 158, 11, 0.25);
  --status-disponible-text: #fcd34d;
  --status-disponible-border: rgba(245, 158, 11, 0.5);

  --status-condicionada-bg: rgba(249, 115, 22, 0.22);
  --status-condicionada-text: #ff8c42;
  --status-condicionada-border: rgba(249, 115, 22, 0.5);
  --status-condicionada-glow: rgba(249, 115, 22, 0.5);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 35px rgba(0, 0, 0, 0.7);
}

/* --------------------------------------------------------------------------
   2. Global Typography & Reset
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  background-color: #0f172a;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.16) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(15, 23, 42, 0.7) 0%, transparent 50%),
    linear-gradient(180deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.6) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0;
  padding: 0;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  margin-top: 0;
  letter-spacing: -0.02em;
}

h1 { font-size: 1.875rem; line-height: 2.25rem; }
h2 { font-size: 1.5rem; line-height: 2rem; }
h3 { font-size: 1.25rem; line-height: 1.75rem; }
h4 { font-size: 1.125rem; line-height: 1.5rem; }
h5 { font-size: 1rem; line-height: 1.375rem; }

/* Links */
a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--accent-primary-hover);
}

/* --------------------------------------------------------------------------
   3. Main Header & Navbar
   -------------------------------------------------------------------------- */
.navbar-sigma {
  background-color: var(--bg-header) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.sigma-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary) !important;
  letter-spacing: -0.03em;
}
.sigma-brand-badge {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #ffffff;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navbar Layout Buttons */
.nav-layout-chip {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: none;
  margin: 0.2rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.nav-layout-chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-1px);
}
.nav-layout-chip.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* Dark Mode Toggle Button */
.theme-toggle-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.theme-toggle-btn:hover {
  border-color: var(--border-focus);
  transform: scale(1.05);
  color: var(--accent-primary);
}

/* Toggle Menu Hamburger Button */
#toggleMenuBtn.btn-sigma-menu {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.75rem;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
#toggleMenuBtn.btn-sigma-menu:hover {
  background: var(--accent-light);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* User Info Pills in Header */
.user-info-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.user-info-pill i {
  color: var(--accent-primary);
}

/* Header Right Controls Group Alignment */
.header-right-group {
  margin-left: auto !important;
  display: flex !important;
  align-items: center !important;
  flex-shrink: 0 !important;
  padding-left: 0.75rem;
  border-left: 1px solid rgba(203, 213, 225, 0.5);
}

[data-theme="dark"] .header-right-group {
  border-left-color: rgba(59, 77, 104, 0.5);
}

@media (max-width: 991px) {
  .header-right-group {
    border-left: none;
    padding-left: 0;
    margin-top: 0.5rem;
    width: 100%;
    justify-content: flex-end;
  }
}

/* --------------------------------------------------------------------------
   4. Side Drawer Menu
   -------------------------------------------------------------------------- */
.vertical-menu {
  position: fixed !important;
  top: 70px !important;
  left: 20px !important;
  width: 320px !important;
  max-width: calc(100vw - 40px) !important;
  background-color: var(--bg-surface) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-xl) !important;
  z-index: 1050 !important;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-15px) scale(0.98);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal) !important;
  padding: 1.25rem !important;
  backdrop-filter: blur(16px);
}

.vertical-menu.active {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) scale(1) !important;
}

.vertical-menu-content .btn {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  width: 100% !important;
  text-align: left !important;
  margin: 0.5rem 0 !important;
  padding: 0.7rem 1rem !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  background-color: var(--bg-surface-elevated) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-sm) !important;
}
.vertical-menu-content .btn:hover {
  background-color: var(--accent-primary) !important;
  color: #ffffff !important;
  border-color: var(--accent-primary) !important;
  transform: translateX(3px);
}
.vertical-menu-content .btn i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   5. General Components & Cards
   -------------------------------------------------------------------------- */
.sigma-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  margin-bottom: 1.5rem;
  position: relative;
}

.sigma-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}
.sigma-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.kpi-card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  transition: all var(--transition-fast);
  position: relative;
}
.kpi-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kpi-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin: 0;
}
.kpi-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   6. Asset Status Badges & Glow Effects
   -------------------------------------------------------------------------- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: capitalize;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.status-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

/* Detenida Status */
.status-detenida {
  background-color: var(--status-detenida-bg);
  color: var(--status-detenida-text);
  border: 1px solid var(--status-detenida-border);
  animation: pulseDetenida 2s infinite;
}
.status-detenida .status-badge-dot {
  background-color: var(--status-detenida-text);
}

@keyframes pulseDetenida {
  0% { box-shadow: 0 0 0 0 var(--status-detenida-glow); }
  70% { box-shadow: 0 0 0 8px rgba(220, 38, 38, 0); }
  100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

/* Operativa Status */
.status-operativa {
  background-color: var(--status-operativa-bg);
  color: var(--status-operativa-text);
  border: 1px solid var(--status-operativa-border);
}
.status-operativa .status-badge-dot {
  background-color: var(--status-operativa-text);
}

/* Liberada Status */
.status-liberada {
  background-color: var(--status-liberada-bg);
  color: var(--status-liberada-text);
  border: 1px solid var(--status-liberada-border);
}
.status-liberada .status-badge-dot {
  background-color: var(--status-liberada-text);
}

/* Disponible Status */
.status-disponible {
  background-color: var(--status-disponible-bg);
  color: var(--status-disponible-text);
  border: 1px solid var(--status-disponible-border);
}
.status-disponible .status-badge-dot {
  background-color: var(--status-disponible-text);
}

/* Operativa Condicionada Status */
.status-condicionada {
  background-color: var(--status-condicionada-bg);
  color: var(--status-condicionada-text);
  border: 1px solid var(--status-condicionada-border);
}
.status-condicionada .status-badge-dot {
  background-color: var(--status-condicionada-text);
}

/* --------------------------------------------------------------------------
   7. Buttons System
   -------------------------------------------------------------------------- */
.btn {
  font-family: var(--font-family-base) !important;
  font-weight: 600 !important;
  border-radius: var(--radius-md) !important;
  padding: 0.55rem 1.15rem !important;
  transition: all var(--transition-fast) !important;
  box-shadow: var(--shadow-sm) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.5rem !important;
  cursor: pointer !important;
  border: 1px solid transparent !important;
}

.btn:active {
  transform: translateY(1px) !important;
}

.btn-primary {
  background-color: var(--accent-primary) !important;
  color: #ffffff !important;
  border-color: var(--accent-primary) !important;
}
.btn-primary:hover {
  background-color: var(--accent-primary-hover) !important;
  border-color: var(--accent-primary-hover) !important;
  box-shadow: var(--shadow-md) !important;
}

.btn-secondary {
  background-color: var(--bg-surface-elevated) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}
.btn-secondary:hover {
  background-color: var(--bg-card-hover) !important;
  border-color: var(--border-color-hover) !important;
  color: var(--accent-primary) !important;
}

.btn-danger {
  background-color: #dc2626 !important;
  color: #ffffff !important;
}
.btn-danger:hover {
  background-color: #b91c1c !important;
}

.btn-warning {
  background-color: #d97706 !important;
  color: #ffffff !important;
}
.btn-warning:hover {
  background-color: #b45309 !important;
}

.btn-block {
  width: 100% !important;
}

/* Action Strip Buttons */
.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   8. Form Inputs & Select Controls
   -------------------------------------------------------------------------- */
.form-control, .form-select {
  background-color: var(--bg-input) !important;
  color: var(--text-primary) !important;
  border: 1.5px solid #94a3b8 !important; /* Clearly marked border in Light Mode */
  border-radius: var(--radius-md) !important;
  padding: 0.55rem 0.85rem !important;
  font-family: var(--font-family-base) !important;
  font-size: 0.9rem !important;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast) !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  border-color: #3b4d68 !important;
}

.form-control:focus, .form-select:focus {
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25) !important;
  outline: none !important;
}

.detencion-label {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
}
[data-theme="dark"] .detencion-label {
  color: #e2e8f0 !important;
}

.detencion-value {
  color: var(--text-primary) !important;
  font-weight: 700;
  font-size: 0.925rem;
}

.form-control-static {
  background-color: var(--bg-input) !important;
  color: var(--text-primary) !important;
  border: 1.5px solid #94a3b8 !important;
  border-radius: var(--radius-md) !important;
  padding: 0.4rem 0.75rem !important;
  font-family: var(--font-family-base) !important;
  font-size: 0.875rem !important;
  display: inline-block;
}

[data-theme="dark"] .form-control-static {
  border-color: #3b4d68 !important;
}

/* Floating Labels Styling */
.form-floating {
  position: relative;
}

.form-floating > .form-control {
  height: calc(3.5rem + 2px);
  padding: 1rem 0.75rem 0.35rem 0.75rem !important;
}

.form-floating > .form-control::placeholder {
  color: transparent;
}

.form-floating > label {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  padding: 1rem 0.75rem;
  pointer-events: none;
  border: 1px solid transparent;
  transform-origin: 0 0;
  transition: opacity 0.15s ease-in-out, transform 0.15s ease-in-out, color 0.15s ease-in-out;
  color: var(--text-muted) !important;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  opacity: 0.85;
  transform: scale(0.85) translateY(-0.75rem) translateX(0.15rem);
  color: var(--accent-primary) !important;
  font-weight: 600;
}

/* Technician Selector Chips for Modals */
.tech-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.65rem;
  max-height: 280px;
  overflow-y: auto;
  padding: 0.25rem;
}

.tech-checkbox-input {
  display: none !important;
}

.tech-chip-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  background-color: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin: 0;
}

.tech-chip-card:hover {
  border-color: var(--accent-primary);
  background-color: var(--accent-light);
}

.tech-checkbox-input:checked + .tech-chip-card {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

.tech-chip-card .check-mark {
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition-fast);
  font-size: 0.9rem;
}

.tech-checkbox-input:checked + .tech-chip-card .check-mark {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   9. Modals Redesign & Fixes
   -------------------------------------------------------------------------- */
.modal-backdrop {
  z-index: 1040 !important;
}
.modal {
  z-index: 1055 !important;
}
.modal-body {
  max-height: 75vh;
  overflow-y: auto;
}
.modal-content {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-xl) !important;
  color: var(--text-primary) !important;
}
.modal-header {
  border-bottom: 1px solid var(--border-color) !important;
  padding: 1.25rem 1.5rem !important;
}
.modal-footer {
  border-top: 1px solid var(--border-color) !important;
  padding: 1rem 1.5rem !important;
}
.modal-title {
  color: var(--text-primary) !important;
  font-weight: 700 !important;
}
.close {
  color: var(--text-muted) !important;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}
.close:hover {
  opacity: 1;
  color: var(--text-primary) !important;
}

/* Layout Button Red Blinking Animation (Detenida) */
@keyframes layoutBlinkRed {
  0%, 100% {
    background-color: rgba(220, 38, 38, 0.95);
    color: #ffffff;
    border-color: #dc2626;
    box-shadow: 0 0 14px rgba(220, 38, 38, 0.85);
  }
  50% {
    background-color: var(--bg-surface-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: none;
  }
}

.nav-layout-chip.detenida-blink {
  animation: layoutBlinkRed 1.1s ease-in-out infinite !important;
}

/* Layout Button Yellow Blinking Animation (Liberada / Aguardando Cierre) */
@keyframes layoutBlinkYellow {
  0%, 100% {
    background-color: rgba(245, 158, 11, 0.95);
    color: #ffffff;
    border-color: #d97706;
    box-shadow: 0 0 14px rgba(245, 158, 11, 0.85);
  }
  50% {
    background-color: var(--bg-surface-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: none;
  }
}

.nav-layout-chip.liberada-blink {
  animation: layoutBlinkYellow 1.1s ease-in-out infinite !important;
}

/* SVG Active Elements Layout States & Animations */
.mapadiv path,
.mapadiv rect,
.mapadiv polygon,
.mapadiv circle,
.mapadiv ellipse,
svg [data-estado] {
  transition: fill 0.3s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.3s cubic-bezier(0.4, 0, 0.2, 1), filter 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

/* Subtle elegant hover effect across light and dark themes */
.mapadiv path:hover,
.mapadiv rect:hover,
.mapadiv polygon:hover,
.mapadiv circle:hover,
svg [data-estado]:hover {
  fill: rgba(56, 189, 248, 0.38) !important;
  stroke: #0284c7 !important;
  stroke-width: 2px !important;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.65)) !important;
}

[data-theme="dark"] .mapadiv path:hover,
[data-theme="dark"] .mapadiv rect:hover,
[data-theme="dark"] .mapadiv polygon:hover,
[data-theme="dark"] svg [data-estado]:hover {
  fill: rgba(56, 189, 248, 0.45) !important;
  stroke: #38bdf8 !important;
  filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.8)) !important;
}

/* 1. Detenida State: High-visibility Crimson Red Blinking Pulse */
.mapadiv [data-estado="detenida"],
svg [data-estado="detenida"] {
  fill: #ef4444 !important;
  stroke: #dc2626 !important;
  stroke-width: 2.5px !important;
  transition: none !important;
  animation: svgBlinkPulse 1.0s ease-in-out infinite !important;
}

/* 2. Liberada / Aguardando Cierre State: High-visibility Warm Amber Gold Blinking Pulse */
.mapadiv [data-estado="liberada"],
svg [data-estado="liberada"] {
  fill: #f59e0b !important;
  stroke: #d97706 !important;
  stroke-width: 2.5px !important;
  transition: none !important;
  animation: svgBlinkPulse 1.0s ease-in-out infinite !important;
}

/* Universal SVG Opacity Blinking Keyframe (Strict W3C CSS Spec Compliant) */
@keyframes svgBlinkPulse {
  0%, 100% {
    opacity: 1;
    fill-opacity: 1;
    stroke-opacity: 1;
  }
  50% {
    opacity: 0.1;
    fill-opacity: 0.1;
    stroke-opacity: 0.1;
  }
}

/* 3. Operativa Condicionada State: Tangerine Coral Translucent with Dashed Outline */
.mapadiv path[data-estado="operativa condicionada"],
.mapadiv rect[data-estado="operativa condicionada"],
.mapadiv polygon[data-estado="operativa condicionada"],
svg [data-estado="operativa condicionada"] {
  fill: rgba(249, 115, 22, 0.35) !important;
  stroke: #f97316 !important;
  stroke-width: 2px !important;
  stroke-dasharray: 4 2 !important;
  filter: drop-shadow(0 0 6px rgba(249, 115, 22, 0.5)) !important;
}

/* 4. Disponible State: Sky Blue Translucent */
.mapadiv path[data-estado="disponible"],
.mapadiv rect[data-estado="disponible"],
.mapadiv polygon[data-estado="disponible"],
svg [data-estado="disponible"] {
  fill: rgba(14, 165, 233, 0.3) !important;
  stroke: #0ea5e9 !important;
  stroke-width: 1.5px !important;
}

/* 5. Operativa State: Completely Clean (No background tint or outline) */
.mapadiv path[data-estado="operativa"],
.mapadiv rect[data-estado="operativa"],
.mapadiv polygon[data-estado="operativa"],
svg [data-estado="operativa"] {
  fill: transparent !important;
  stroke: none !important;
}

/* --------------------------------------------------------------------------
   10. Responsiveness & Mobile Utilities
   -------------------------------------------------------------------------- */
.asset-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 991px) {
  .asset-hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .sigma-card {
    padding: 1rem;
    border-radius: var(--radius-md);
  }
  .navbar-sigma {
    padding: 0.5rem 0.75rem;
  }
  .vertical-menu {
    left: 10px !important;
    width: calc(100vw - 20px) !important;
  }
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .kpi-value {
    font-size: 1.3rem;
  }
}

/* Smooth Fade In for page components */
.animated-fadeIn {
  animation: fadeIn 0.4s ease-in-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   11. Global Background Alternatives (Intermediate Compatible Tones)
   -------------------------------------------------------------------------- */

/* Opción 1: Malla Radial Azul Slate (Slate Mesh Gradient) */
body.bg-pattern-slate-mesh,
[data-bg-pattern="slate-mesh"] {
  background-color: #0f172a !important;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.16) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(15, 23, 42, 0.7) 0%, transparent 50%),
    linear-gradient(180deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.6) 100%) !important;
  background-attachment: fixed !important;
}

/* Opción 2: Rejilla Técnica Industrial (Technical Blueprint Grid) */
body.bg-pattern-tech-grid,
[data-bg-pattern="tech-grid"] {
  background-color: #131b29 !important;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px) !important;
  background-size: 32px 32px !important;
  background-attachment: fixed !important;
}

/* Opción 3: Gradiente Metalizado "Steel & Titanium" */
body.bg-pattern-steel-gradient,
[data-bg-pattern="steel-gradient"] {
  background: linear-gradient(135deg, #182030 0%, #222d3e 50%, #151d2a 100%) !important;
  background-attachment: fixed !important;
}

/* Opción 4: Matriz de Puntos Sutil (Subtle Dot Matrix) */
body.bg-pattern-subtle-dots,
[data-bg-pattern="subtle-dots"] {
  background-color: #121927 !important;
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1.2px, transparent 1.2px) !important;
  background-size: 24px 24px !important;
  background-attachment: fixed !important;
}

/* --------------------------------------------------------------------------
   12. DataTables Theme System Customization
   -------------------------------------------------------------------------- */
.dataTables_wrapper {
  color: var(--text-primary) !important;
  font-family: var(--font-family-base) !important;
  margin-top: 1rem;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  background-color: var(--bg-input) !important;
  color: var(--text-primary) !important;
  border: 1.5px solid #94a3b8 !important;
  border-radius: var(--radius-md) !important;
  padding: 0.45rem 0.85rem !important;
  font-size: 0.875rem !important;
  outline: none !important;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast) !important;
}

[data-theme="dark"] .dataTables_wrapper .dataTables_length select,
[data-theme="dark"] .dataTables_wrapper .dataTables_filter input {
  border-color: #3b4d68 !important;
}

.dataTables_wrapper .dataTables_filter input:hover,
.dataTables_wrapper .dataTables_length select:hover {
  border-color: #64748b !important;
}

[data-theme="dark"] .dataTables_wrapper .dataTables_filter input:hover,
[data-theme="dark"] .dataTables_wrapper .dataTables_length select:hover {
  border-color: #475569 !important;
}

.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus {
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--text-primary) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--border-color) !important;
  background: var(--bg-surface-elevated) !important;
  margin: 0 0.15rem !important;
  padding: 0.35rem 0.75rem !important;
  transition: all var(--transition-fast) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--accent-primary) !important;
  color: #ffffff !important;
  border-color: var(--accent-primary) !important;
  box-shadow: var(--shadow-sm) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--accent-light) !important;
  color: var(--accent-primary) !important;
  border-color: var(--accent-primary) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
  opacity: 0.5 !important;
  background: var(--bg-surface) !important;
  border-color: var(--border-color) !important;
  color: var(--text-muted) !important;
}

table.dataTable {
  border-collapse: separate !important;
  border-spacing: 0 !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  overflow: hidden !important;
  background-color: var(--bg-card) !important;
  width: 100% !important;
  margin-top: 0.75rem !important;
  margin-bottom: 1rem !important;
}

table.dataTable thead th {
  background-color: var(--bg-surface-elevated) !important;
  color: var(--text-primary) !important;
  font-weight: 700 !important;
  border-bottom: 2px solid var(--border-color) !important;
  padding: 0.85rem 1rem !important;
  font-size: 0.85rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.03em !important;
}

table.dataTable tbody td {
  border-bottom: 1px solid var(--border-color) !important;
  padding: 0.75rem 1rem !important;
  color: var(--text-primary) !important;
  font-size: 0.9rem !important;
  vertical-align: middle !important;
}

table.dataTable tbody tr {
  background-color: var(--bg-card) !important;
  transition: background-color var(--transition-fast) !important;
}

table.dataTable tbody tr:hover {
  background-color: var(--bg-card-hover) !important;
}

/* --------------------------------------------------------------------------
   13. Progress Bar & Popover System (Technician Profiles)
   -------------------------------------------------------------------------- */
progress.sigma-progress {
  width: 100%;
  height: 10px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: none;
  background-color: var(--border-color);
  appearance: none;
  -webkit-appearance: none;
}

progress.sigma-progress::-webkit-progress-bar {
  background-color: var(--border-color);
  border-radius: var(--radius-full);
}

progress.sigma-progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent-primary), #60a5fa);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

progress.sigma-progress::-moz-progress-bar {
  background: linear-gradient(90deg, var(--accent-primary), #60a5fa);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* Custom Popover Styling */
.popover {
  background-color: var(--bg-surface-elevated) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
  max-width: 450px !important;
}

.popover-body {
  color: var(--text-primary) !important;
  font-size: 0.875rem !important;
  padding: 0.85rem 1rem !important;
}

.bs-popover-right > .arrow::after,
.bs-popover-auto[x-placement^="right"] > .arrow::after {
  border-right-color: var(--bg-surface-elevated) !important;
}

/* --------------------------------------------------------------------------
   14. High-Contrast Dark Mode & Input Field Border Enhancements
   -------------------------------------------------------------------------- */
[data-theme="dark"] .text-muted,
[data-theme="dark"] small.text-muted,
[data-theme="dark"] span.text-muted {
  color: #cbd5e1 !important;
}

[data-theme="dark"] .text-secondary,
[data-theme="dark"] small.text-secondary,
[data-theme="dark"] span.text-secondary {
  color: #e2e8f0 !important;
}

[data-theme="dark"] label,
[data-theme="dark"] .form-label {
  color: #f1f5f9 !important;
}

[data-theme="dark"] .card-body,
[data-theme="dark"] .card-header,
[data-theme="dark"] .sigma-card-header {
  border-color: #3b4d68 !important;
}

[data-theme="dark"] table.dataTable thead th,
[data-theme="dark"] table thead th {
  color: #f8fafc !important;
  background-color: #1e293b !important;
  border-bottom-color: #3b4d68 !important;
}

[data-theme="dark"] table.dataTable tbody td,
[data-theme="dark"] table tbody td {
  color: #e2e8f0 !important;
  border-color: #273549 !important;
}

/* Light Mode Input Hover & Focus Ring Clarity */
.form-control:hover,
.form-select:hover {
  border-color: #64748b !important;
}

[data-theme="dark"] .form-control:hover,
[data-theme="dark"] .form-select:hover {
  border-color: #475569 !important;
}

/* --------------------------------------------------------------------------
   15. Preventivos Popup Theme & Legibility Styles (Light & Dark Modes)
   -------------------------------------------------------------------------- */
#cardInfo {
  background-color: var(--bg-surface) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-lg) !important;
}

#cardInfo .card-header {
  background-color: var(--bg-surface-elevated) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

#cardInfo #popupActivoNombre {
  color: var(--text-primary) !important;
}

.preventivo-item-card {
  background-color: var(--bg-surface-elevated) !important;
  border: 1px solid var(--border-color) !important;
}

.preventivo-item-card .preventivo-descripcion,
#listaPreventivos .text-body,
#listaPreventivos h6 {
  color: var(--text-primary) !important;
}

.preventivo-item-card .preventivo-solicita,
#listaPreventivos .text-muted,
#listaPreventivos p.text-muted {
  color: var(--text-muted) !important;
}

.preventivo-frecuencia-badge {
  background-color: var(--bg-body) !important;
  color: var(--text-muted) !important;
  border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] #cardInfo {
  background-color: #151c2c !important;
  border-color: #3b4d68 !important;
}

[data-theme="dark"] #cardInfo .card-header {
  background-color: #1e293b !important;
  border-bottom-color: #3b4d68 !important;
}

[data-theme="dark"] #cardInfo #popupActivoNombre,
[data-theme="dark"] .preventivo-item-card .preventivo-descripcion,
[data-theme="dark"] #listaPreventivos .text-body,
[data-theme="dark"] #listaPreventivos h6 {
  color: #ffffff !important;
}

[data-theme="dark"] .preventivo-item-card {
  background-color: #1e293b !important;
  border-color: #3b4d68 !important;
}

[data-theme="dark"] .preventivo-item-card .preventivo-solicita,
[data-theme="dark"] #listaPreventivos .text-muted,
[data-theme="dark"] #listaPreventivos p.text-muted {
  color: #cbd5e1 !important;
}

[data-theme="dark"] .preventivo-frecuencia-badge {
  background-color: rgba(255, 255, 255, 0.08) !important;
  color: #cbd5e1 !important;
  border-color: rgba(255, 255, 255, 0.15) !important;
}

[data-theme="dark"] #popupBadgeCount {
  background-color: rgba(59, 130, 246, 0.25) !important;
  color: #93c5fd !important;
}

[data-theme="dark"] #popupVerLink {
  color: #60a5fa !important;
  border-color: #3b82f6 !important;
}

/* Botón de Silenciar Alarma Sonora */
.btn-alarm-mute {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  transition: all 0.25s ease;
  user-select: none;
}

.btn-alarm-mute.ringing {
  background-color: #ef4444 !important;
  color: #ffffff !important;
  border-color: #dc2626 !important;
  animation: layoutBlinkRed 0.9s ease-in-out infinite !important;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.75) !important;
}

.btn-alarm-mute.silenced {
  background-color: rgba(245, 158, 11, 0.15) !important;
  color: #f59e0b !important;
  border-color: rgba(245, 158, 11, 0.4) !important;
}

.btn-alarm-mute:hover {
  transform: translateY(-1px);
}