/* ==========================================================================
   CLIMACOLD - SISTEMA DE MANTENIMIENTO HOTELERO & FRÍO INDUSTRIAL
   Vanilla CSS Design System - Mobile-First & Responsive
   ========================================================================== */

:root {
  /* Color Palette (Deep Navy / Ice Cyan / Industrial Cool) */
  --bg-primary: #0b1120;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(51, 65, 85, 0.8);
  --bg-input: #0f172a;
  
  --border-subtle: rgba(148, 163, 184, 0.12);
  --border-medium: rgba(148, 163, 184, 0.25);
  --border-focus: #0284c7;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --accent-cyan: #06b6d4;
  --accent-blue: #0284c7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #8b5cf6;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --header-height: 64px;
  --bottom-nav-height: 62px;
  --sidebar-width: 260px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme overrides */
body.light-theme {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.16);
  --border-focus: #0284c7;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.08);
}

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

html, body {
  height: 100%;
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  gap: 1rem;
}

body.light-theme .app-header {
  background-color: rgba(255, 255, 255, 0.88);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  user-select: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.2rem;
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.35);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: block;
}

.brand-title .highlight {
  color: var(--accent-cyan);
}

.brand-subtitle {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: -3px;
}

.header-search {
  flex: 1;
  max-width: 460px;
  position: relative;
  display: flex;
  align-items: center;
}

.header-search .search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.header-search input {
  width: 100%;
  height: 38px;
  padding: 0 32px 0 36px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: var(--transition);
}

.header-search input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

.clear-search-btn {
  position: absolute;
  right: 10px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Auth Pill */
.auth-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.auth-pill:hover {
  background-color: var(--bg-card-hover);
}

.auth-pill.authenticated {
  border-color: rgba(16, 185, 129, 0.4);
}

.auth-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--accent-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.auth-role-badge {
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  user-select: none;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #075985);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.btn-google-custom {
  width: 100%;
  background-color: #ffffff;
  color: #374151;
  border: 1px solid #d1d5db;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.btn-google-custom:hover {
  background-color: #f9fafb;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-xs {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}

.icon-btn:hover {
  background-color: var(--bg-card-hover);
}

/* App Layout Grid */
.app-layout {
  display: flex;
  flex: 1;
  position: relative;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  padding: 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-shrink: 0;
  min-height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.sidebar-heading {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 0.6rem 0.5rem;
  display: block;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}

.nav-item i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

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

.nav-item.active {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.15), rgba(6, 182, 212, 0.1));
  color: var(--accent-cyan);
  font-weight: 600;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.nav-badge {
  margin-left: auto;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.72rem;
  font-weight: 700;
}

.sidebar-hotels-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hotel-nav-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}

.hotel-nav-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.hotel-nav-btn.active {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 600;
  border-left: 3px solid var(--accent-cyan);
}

.hotel-nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.system-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.version-info {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Main Content Views */
.main-content {
  flex: 1;
  padding: 1.5rem;
  max-width: 1380px;
  width: 100%;
  margin: 0 auto;
}

.view-section {
  display: none;
}

.view-section.active {
  display: block;
  animation: fadeIn 0.25s ease-out;
}

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

/* Notice Banner */
.banner-notice {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.12), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.banner-icon {
  font-size: 1.4rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.metric-icon.blue { background-color: rgba(2, 132, 199, 0.15); color: var(--accent-blue); }
.metric-icon.cyan { background-color: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.metric-icon.emerald { background-color: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.metric-icon.amber { background-color: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }

.metric-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.metric-val {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-top: 2px;
}

/* Section Header */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title i {
  color: var(--accent-cyan);
}

.section-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Hotels Cards Grid */
.hotels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.hotel-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.hotel-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.hotel-card-image {
  height: 160px;
  position: relative;
  background-size: cover;
  background-position: center;
}

.hotel-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.2) 60%, transparent 100%);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hotel-category-tag {
  align-self: flex-start;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.hotel-card-title {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hotel-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.hotel-card-address {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.hotel-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hotel-card-stats {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
}

.hotel-stat-pill {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent-cyan);
}

/* Breadcrumb Bar */
.breadcrumb-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.btn-back {
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.breadcrumb-sep {
  color: var(--text-muted);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 600;
}

/* Hotel Hero Header */
.hotel-hero-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.hotel-hero-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.hotel-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Areas Tabs */
.areas-tabs-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.tabs-scroll-wrap {
  overflow-x: auto;
  padding-bottom: 4px;
}

.areas-tabs {
  display: flex;
  gap: 0.5rem;
}

.area-tab-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.area-tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.area-tab-btn.active {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.3);
}

.area-actions {
  display: flex;
  gap: 0.5rem;
}

/* Chambers Grid Cards */
.chambers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1rem;
}

.chamber-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}

.chamber-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-md);
}

.chamber-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.chamber-code-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: rgba(2, 132, 199, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.status-badge.operativo {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.pendiente {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge.averiado {
  background-color: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.chamber-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.chamber-card-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background-color: rgba(15, 23, 42, 0.4);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
}

.spec-item-label {
  color: var(--text-muted);
  display: block;
  font-size: 0.7rem;
}

.spec-item-val {
  font-weight: 600;
  color: var(--text-primary);
}

.chamber-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.5rem;
}

.gas-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-amber);
}

/* Filters Bar */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-group select {
  width: 100%;
  height: 38px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 0 0.75rem;
  font-size: 0.82rem;
  outline: none;
}

/* Chamber Detail Hero */
.chamber-hero-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
}

.chamber-hero-title {
  font-size: 1.5rem;
  font-weight: 800;
}

.chamber-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.hero-chip {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Chamber Tabs */
.chamber-tabs-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tab-buttons {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.75rem 1.15rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

.chamber-tab-content {
  display: none;
}

.chamber-tab-content.active {
  display: block;
}

/* Casillas Excel Spreadsheet Mode */
.casillas-mode-info {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.casillas-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.casillas-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.casillas-section-header {
  background-color: rgba(15, 23, 42, 0.6);
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.casillas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background-color: var(--border-subtle);
}

.casilla-cell {
  background-color: var(--bg-card);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.casilla-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.casilla-input {
  width: 100%;
  padding: 0.45rem 0.65rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition);
}

.casilla-input:focus {
  border-color: var(--border-focus);
  background-color: rgba(2, 132, 199, 0.05);
}

.casilla-input:disabled {
  background-color: transparent;
  border-color: transparent;
  color: var(--text-primary);
  font-weight: 600;
  padding-left: 0;
  cursor: default;
}

/* Raw Original Spreadsheet Table View */
.raw-spreadsheet-table-wrap {
  overflow-x: auto;
  margin-top: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.raw-spreadsheet-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

.raw-spreadsheet-table td {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
}

.raw-spreadsheet-table tr:nth-child(even) td {
  background-color: rgba(15, 23, 42, 0.4);
}

/* Visual Specs Grid */
.visual-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.spec-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.spec-box-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.spec-rows-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--border-subtle);
  padding-bottom: 0.35rem;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row-k {
  color: var(--text-muted);
}

.spec-row-v {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
  font-family: var(--font-mono);
}

/* Maintenance Logs Timeline */
.logs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.logs-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  padding-left: 1.5rem;
}

.logs-timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--border-medium);
}

.log-item-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.log-item-card::before {
  content: '';
  position: absolute;
  left: -1.75rem;
  top: 1.25rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  border: 2px solid var(--bg-primary);
}

.log-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.log-type-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: rgba(2, 132, 199, 0.2);
  color: var(--accent-blue);
  text-transform: uppercase;
}

.log-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.log-desc {
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
}

.log-meta-box {
  background-color: rgba(15, 23, 42, 0.5);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(11, 17, 32, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
  animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-card.modal-lg {
  max-width: 780px;
}

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

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-icon {
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

.modal-title-wrap h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-title-wrap p {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
}

.modal-body {
  padding: 1.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.form-group label .req {
  color: var(--accent-rose);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-focus);
}

.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.85rem; }
.form-row-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.85rem; }

.form-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin: 1rem 0 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Auth Divider */
.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.25rem 0;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}

.auth-divider span {
  padding: 0 0.75rem;
}

.auth-box-title {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  text-align: center;
}

.google-btn-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.auth-help-note {
  margin-top: 1.25rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

/* Templates Grid */
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.25rem;
}

.template-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.template-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.template-fields-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.template-field-pill {
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  animation: toastIn 0.2s ease-out;
}

.toast.success { border-color: var(--accent-emerald); }
.toast.error { border-color: var(--accent-rose); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Bottom Nav */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-subtle);
  z-index: 50;
  justify-content: space-around;
  align-items: center;
}

.mob-nav-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 12px;
}

.mob-nav-btn i {
  font-size: 1.15rem;
}

.mob-nav-btn.active {
  color: var(--accent-cyan);
}

.mobile-only {
  display: none;
}

/* ==========================================================================
   MOBILE & RESPONSIVE DESIGN SYSTEM
   ========================================================================== */

@media (max-width: 900px) {
  .app-sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    bottom: 0;
    z-index: 60;
    height: 100vh;
    transition: left 0.25s ease-in-out;
  }

  .app-sidebar.open {
    left: 0;
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 55;
  }

  .sidebar-backdrop.active {
    display: block;
  }

  .mobile-only {
    display: flex;
  }

  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(56px + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background-color: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-subtle);
    z-index: 50;
    justify-content: space-around;
    align-items: center;
  }

  body.light-theme .mobile-bottom-nav {
    background-color: rgba(255, 255, 255, 0.96);
  }

  .main-content {
    padding: 0.85rem;
    padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px) + 1.25rem);
    max-width: 100vw;
    box-sizing: border-box;
  }

  .form-row-2, .form-row-3, .form-row-4 {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .banner-notice {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.75rem 1rem;
    gap: 0.65rem;
  }

  .banner-notice .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    padding-top: max(34px, env(safe-area-inset-top, 34px));
    height: calc(54px + max(34px, env(safe-area-inset-top, 34px)));
    gap: 0.4rem;
  }

  .logo-area .brand-subtitle {
    display: none;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .brand-title {
    font-size: 1rem;
  }

  .header-search {
    max-width: 130px;
    flex: 1;
  }

  .header-search input {
    height: 32px;
    font-size: 0.75rem;
    padding: 0 20px 0 28px;
  }

  .header-search .search-icon {
    font-size: 0.75rem;
    left: 8px;
  }

  .header-right {
    gap: 0.3rem;
  }

  .sync-pill {
    padding: 6px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    justify-content: center;
  }

  #sync-status-text {
    display: none;
  }

  .auth-pill {
    padding: 4px 8px;
    font-size: 0.75rem;
  }

  .auth-pill .truncate {
    display: none;
  }

  .auth-role-badge {
    display: none;
  }

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .metric-card {
    padding: 0.75rem;
    gap: 0.5rem;
  }

  .metric-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .metric-val {
    font-size: 1.15rem;
  }

  .hotels-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .chambers-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .chamber-card {
    padding: 0.85rem;
  }

  .chamber-card-specs {
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
    padding: 0.5rem 0.65rem;
  }

  .hotel-hero-card, .chamber-hero-card {
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .hotel-hero-title, .chamber-hero-title {
    font-size: 1.25rem;
  }

  .areas-tabs-container {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .area-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }

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

  .chamber-tabs-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .tab-buttons {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
  }

  .tab-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }

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

  .casilla-cell {
    padding: 0.55rem 0.75rem;
  }

  .casilla-input {
    font-size: 0.85rem;
    padding: 0.45rem 0.55rem;
  }

  .visual-specs-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-card {
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 90vh;
  }

  .modal-header {
    padding: 0.85rem 1rem;
  }

  .modal-body {
    padding: 1rem;
  }

  .modal-actions {
    flex-direction: column-reverse;
    gap: 0.5rem;
  }

  .modal-actions button, .modal-actions a {
    width: 100%;
    justify-content: center;
  }

  .raw-spreadsheet-table-wrap {
    max-width: calc(100vw - 1.7rem);
  }
}

/* ==========================================================================
   SYNC & OCR CAMERA SCANNER STYLES
   ========================================================================== */

.sync-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.sync-pill:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.sync-pill.syncing .sync-icon {
  animation: spin 1s linear infinite;
  color: var(--accent-cyan);
}

.sync-pill.has-pending {
  border-color: rgba(245, 158, 11, 0.4);
  color: var(--accent-amber);
}

.sync-badge {
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background-color: var(--accent-amber);
  color: #0f172a;
  font-size: 0.68rem;
  font-weight: 800;
}

.scanner-btn-highlight {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(2, 132, 199, 0.15));
  border-color: rgba(6, 182, 212, 0.4);
  color: var(--accent-cyan);
}

.scanner-btn-highlight:hover {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.3), rgba(2, 132, 199, 0.25));
  color: #ffffff;
}

.scan-mob-highlight {
  color: var(--accent-cyan) !important;
  font-weight: 700;
}

.scan-mob-highlight i {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: #ffffff !important;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -8px;
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.4);
}

/* Scanner Modal Elements */
.scanner-dropzone {
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  background-color: rgba(15, 23, 42, 0.3);
  transition: var(--transition);
  margin-top: 0.75rem;
}

.scanner-dropzone:hover {
  border-color: var(--accent-cyan);
  background-color: rgba(6, 182, 212, 0.05);
}

.dropzone-icon {
  font-size: 3rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.scanner-preview-wrap {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.scanner-preview-img {
  max-width: 100%;
  max-height: 280px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  object-fit: contain;
  background-color: #000;
}

.preview-actions {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  justify-content: center;
}

/* OCR Results Grid & Diffs */
.results-header-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.status-indicator-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.status-indicator-wrap h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.status-indicator-wrap p {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.scanner-extracted-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.ocr-field-card {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
}

.ocr-field-k {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
}

.ocr-field-v {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  margin-top: 2px;
  word-break: break-all;
}

.scanner-diff-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.diff-row {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.diff-label {
  font-weight: 600;
  color: var(--text-secondary);
  width: 140px;
}

.diff-values {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
}

.diff-old {
  color: var(--text-muted);
  text-decoration: line-through;
  background-color: rgba(244, 63, 94, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.diff-arrow {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.diff-new {
  color: var(--accent-emerald);
  font-weight: 700;
  background-color: rgba(16, 185, 129, 0.15);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   ACCESS GATE & APPROVAL LOCK SCREEN
   ========================================================================== */
.access-gate-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(10, 15, 29, 0.95);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.access-gate-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xl), 0 0 50px rgba(56, 189, 248, 0.1);
  border-radius: var(--radius-xl);
  max-width: 480px;
  width: 100%;
  padding: 2.5rem 2rem;
  text-align: center;
  animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.gate-logo {
  margin-bottom: 1.75rem;
}

.gate-logo .logo-icon-lg {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  margin-bottom: 0.75rem;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
}

.gate-logo h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.gate-subtitle {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.gate-shield-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.gate-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.gate-footer-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.pending-avatar-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.gate-email-pill {
  display: inline-block;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.users-list-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==========================================================================
   ANDROID TV & D-PAD REMOTE FOCUS NAVIGATION
   ========================================================================== */
:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.nav-link:focus-visible,
.btn:focus-visible,
.stat-card:focus-visible,
.chamber-card:focus-visible,
.hotel-card:focus-visible,
.tab-btn:focus-visible,
.filter-chip:focus-visible,
.tv-focused {
  outline: 3px solid var(--accent-cyan) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.7), inset 0 0 10px rgba(6, 182, 212, 0.25) !important;
  transform: scale(1.025) !important;
  z-index: 10 !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, outline 0.15s ease !important;
}

/* ==========================================================================
   DEDICATED ANDROID TV LEANBACK INTERFACE SYSTEM (.android-tv-mode)
   ========================================================================== */
body.android-tv-mode {
  font-size: 1.08rem;
  user-select: none;
}

body.android-tv-mode .app-header {
  height: 72px;
  padding: 0 2rem;
  background: rgba(11, 17, 32, 0.96);
  border-bottom: 2px solid var(--border-medium);
}

body.android-tv-mode .tv-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(2, 132, 199, 0.35));
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  box-shadow: 0 0 14px rgba(6, 182, 212, 0.3);
}

body.android-tv-mode .tv-clock-badge {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--border-medium);
  padding: 4px 14px;
  border-radius: var(--radius-md);
}

body.android-tv-mode .app-sidebar {
  width: 290px;
  padding: 1.5rem 1rem;
  background: #0b1222;
  border-right: 2px solid var(--border-subtle);
}

body.android-tv-mode .nav-item {
  font-size: 1.05rem;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 8px;
}

body.android-tv-mode .chambers-grid {
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)) !important;
  gap: 1.5rem !important;
  padding: 1rem 0 3rem 0;
}

body.android-tv-mode .chamber-card {
  padding: 1.4rem;
  border-radius: var(--radius-xl);
  background: rgba(22, 33, 54, 0.9);
  border: 1.5px solid var(--border-medium);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

body.android-tv-mode .chamber-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
}

body.android-tv-mode .spec-item-val {
  font-size: 1.05rem;
  font-weight: 600;
}

body.android-tv-mode .chamber-code-badge {
  font-size: 0.95rem;
  padding: 4px 12px;
}

body.android-tv-mode .status-badge {
  font-size: 0.85rem;
  padding: 4px 12px;
}

/* TV Focus Outline for Remote D-Pad Navigation */
body.android-tv-mode :focus-visible,
body.android-tv-mode .chamber-card:focus,
body.android-tv-mode .nav-item:focus,
body.android-tv-mode button:focus,
body.android-tv-mode .btn:focus {
  outline: 4px solid var(--accent-cyan) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 32px rgba(6, 182, 212, 0.9), inset 0 0 15px rgba(6, 182, 212, 0.3) !important;
  transform: scale(1.035) !important;
  z-index: 20 !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, outline 0.15s ease !important;
}