/* =========================================================================
   NexField PWA — Design System & Complete Stylesheet
   ========================================================================= */

/* ---------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   --------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --navy: #1B2A4A;
  --navy-light: #2C3E6B;
  --teal: #0D7377;
  --teal-light: #10979C;
  --accent: #2196F3;
  --accent-dark: #1769AA;
  --accent-light: #64B5F6;

  /* Neutrals */
  --light-bg: #F0F4F8;
  --white: #FFFFFF;
  --gray-50: #FAFBFC;
  --gray-100: #F1F3F5;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #868E96;
  --gray-700: #495057;
  --gray-800: #343A40;
  --gray-900: #212529;

  /* Status colors */
  --status-draft: #868E96;
  --status-submitted: #2196F3;
  --status-verified: #4CAF50;
  --status-approved: #FFC107;

  /* Semantic */
  --success: #4CAF50;
  --warning: #FF9800;
  --danger: #F44336;
  --info: #2196F3;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* ---------------------------------------------------------------------------
   Reset & Base
   --------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--gray-900);
  background-color: var(--light-bg);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--accent-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}

/* ---------------------------------------------------------------------------
   Navigation Bar
   --------------------------------------------------------------------------- */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--navy);
  color: var(--white);
  padding: 0 var(--space-md);
  height: 56px;
  box-shadow: var(--shadow-md);
}

.nav-bar__brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-bar__brand svg {
  width: 24px;
  height: 24px;
}

.nav-bar__links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-bar__links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.nav-bar__links a:hover,
.nav-bar__links a.active {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.nav-bar__right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ---------------------------------------------------------------------------
   Sync Status Indicator
   --------------------------------------------------------------------------- */
.sync-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
}

.sync-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

.sync-dot--green {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.sync-dot--yellow {
  background: var(--warning);
  box-shadow: 0 0 6px var(--warning);
}

.sync-dot--red {
  background: var(--danger);
  box-shadow: 0 0 6px var(--danger);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ---------------------------------------------------------------------------
   Offline Banner
   --------------------------------------------------------------------------- */
.offline-banner {
  background: var(--warning);
  color: var(--gray-900);
  text-align: center;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 600;
  display: none;
}

.offline-banner.visible {
  display: block;
}

/* Update Banner */
.update-banner {
  background: var(--teal);
  color: var(--white);
  text-align: center;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 600;
}

.update-banner a {
  color: var(--white);
  text-decoration: underline;
  font-weight: 700;
}

/* ---------------------------------------------------------------------------
   Main Content Container
   --------------------------------------------------------------------------- */
#app {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-md);
  padding-bottom: var(--space-2xl);
  min-height: calc(100vh - 56px);
}

/* ---------------------------------------------------------------------------
   Page Header
   --------------------------------------------------------------------------- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
}

.page-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
}

/* ---------------------------------------------------------------------------
   Cards
   --------------------------------------------------------------------------- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.card--clickable {
  cursor: pointer;
}

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-xs);
}

.card__meta {
  font-size: 0.8125rem;
  color: var(--gray-600);
  margin-bottom: var(--space-sm);
}

.card__body {
  font-size: 0.9375rem;
  color: var(--gray-700);
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast),
    transform var(--transition-fast);
  line-height: 1.4;
  white-space: nowrap;
}

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

.btn--primary {
  background: var(--accent);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--accent-dark);
  box-shadow: var(--shadow-sm);
}

.btn--secondary {
  background: var(--gray-200);
  color: var(--gray-800);
}

.btn--secondary:hover {
  background: var(--gray-300);
}

.btn--teal {
  background: var(--teal);
  color: var(--white);
}

.btn--teal:hover {
  background: var(--teal-light);
}

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

.btn--danger:hover {
  background: #D32F2F;
}

.btn--sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
}

.btn--lg {
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
}

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

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---------------------------------------------------------------------------
   Forms
   --------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: var(--space-xs);
}

.form-group label .required-star {
  color: var(--danger);
  margin-left: 2px;
}

.form-group .field-hint {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 2px;
  font-weight: 400;
}

.form-control {
  display: block;
  width: 100%;
  padding: 10px 12px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--gray-900);
  background: var(--white);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  line-height: 1.5;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.form-control::placeholder {
  color: var(--gray-400);
}

.form-control:disabled {
  background: var(--gray-100);
  cursor: not-allowed;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23495057' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Checkbox and Radio */
.checkbox-group,
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}

.checkbox-item,
.radio-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9375rem;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"],
.radio-item input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--teal);
  cursor: pointer;
}

/* Single checkbox */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.form-check input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--teal);
  cursor: pointer;
  flex-shrink: 0;
}

.form-check label {
  margin-bottom: 0;
  cursor: pointer;
}

/* ---------------------------------------------------------------------------
   Tag Pills
   --------------------------------------------------------------------------- */
.tag-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  min-height: 32px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--teal);
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  line-height: 1.3;
  transition: background var(--transition-fast);
}

.tag-pill:hover {
  background: var(--teal-light);
}

.tag-pill__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 14px;
  line-height: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  color: var(--white);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.tag-pill__remove:hover {
  background: rgba(255, 255, 255, 0.5);
}

.tag-input-row {
  display: flex;
  gap: var(--space-xs);
}

.tag-input-row .form-control {
  flex: 1;
}

/* ---------------------------------------------------------------------------
   Counter Widget
   --------------------------------------------------------------------------- */
.counter-widget {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--white);
}

.counter-widget__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gray-100);
  color: var(--gray-800);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
  user-select: none;
}

.counter-widget__btn:hover {
  background: var(--gray-200);
}

.counter-widget__btn:active {
  background: var(--gray-300);
}

.counter-widget__btn--minus {
  border-right: 1.5px solid var(--gray-300);
}

.counter-widget__btn--plus {
  border-left: 1.5px solid var(--gray-300);
}

.counter-widget__value {
  min-width: 60px;
  text-align: center;
  font-size: 1.125rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--navy);
  padding: 0 var(--space-sm);
  user-select: none;
}

/* ---------------------------------------------------------------------------
   Status Badges
   --------------------------------------------------------------------------- */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.status-badge--draft {
  background: rgba(134, 142, 150, 0.15);
  color: var(--status-draft);
}

.status-badge--submitted {
  background: rgba(33, 150, 243, 0.12);
  color: var(--status-submitted);
}

.status-badge--verified {
  background: rgba(76, 175, 80, 0.12);
  color: var(--status-verified);
}

.status-badge--approved {
  background: rgba(255, 193, 7, 0.18);
  color: #E6A800;
}

/* ---------------------------------------------------------------------------
   Status Bar (Form)
   --------------------------------------------------------------------------- */
.status-bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-lg);
}

.status-bar__flow {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex: 1;
  flex-wrap: wrap;
}

.status-bar__step {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.status-bar__step--active {
  color: var(--teal);
  font-weight: 700;
}

.status-bar__step--done {
  color: var(--success);
}

.status-bar__arrow {
  color: var(--gray-300);
  font-size: 0.75rem;
}

/* ---------------------------------------------------------------------------
   Photo Thumbnail Grid
   --------------------------------------------------------------------------- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.photo-thumbnail {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-200);
  border: 2px solid var(--gray-200);
  transition: border-color var(--transition-fast);
}

.photo-thumbnail:hover {
  border-color: var(--accent);
}

.photo-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-thumbnail__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 0.6875rem;
  color: var(--gray-500);
  text-align: center;
  padding: var(--space-xs);
  word-break: break-all;
}

.photo-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* ---------------------------------------------------------------------------
   GPS Field
   --------------------------------------------------------------------------- */
.gps-display {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.gps-coords {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--gray-700);
  background: var(--gray-100);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  min-width: 200px;
}

.gps-coords span {
  display: block;
}

/* ---------------------------------------------------------------------------
   Audio Field (placeholder)
   --------------------------------------------------------------------------- */
.audio-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.audio-controls .recording-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--danger);
  animation: pulse 1s infinite;
  display: none;
}

.audio-controls .recording-indicator.active {
  display: block;
}

/* ---------------------------------------------------------------------------
   Table (Merge Log)
   --------------------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.875rem;
}

.table thead {
  background: var(--navy);
  color: var(--white);
}

.table th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
  vertical-align: top;
}

.table tbody tr:hover {
  background: var(--gray-50);
}

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

.table .mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* ---------------------------------------------------------------------------
   Map Container
   --------------------------------------------------------------------------- */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-lg);
  background: var(--gray-200);
}

.map-container .leaflet-container {
  width: 100%;
  height: 100%;
}

/* ---------------------------------------------------------------------------
   Stats Cards
   --------------------------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (min-width: 600px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md);
  text-align: center;
}

.stat-card__value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat-card__label {
  font-size: 0.8125rem;
  color: var(--gray-600);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* ---------------------------------------------------------------------------
   Toast Notifications
   --------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-md);
  z-index: 9999;
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-sm);
  max-width: 360px;
  width: calc(100% - 32px);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--gray-900);
  color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  animation: toast-in 300ms ease forwards;
  pointer-events: auto;
}

.toast--success {
  background: var(--success);
}

.toast--error {
  background: var(--danger);
}

.toast--warning {
  background: var(--warning);
  color: var(--gray-900);
}

.toast--info {
  background: var(--info);
}

.toast.fade-out {
  animation: toast-out 300ms ease forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
}

/* ---------------------------------------------------------------------------
   Loading Spinner
   --------------------------------------------------------------------------- */
.spinner-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner--sm {
  width: 20px;
  height: 20px;
  border-width: 2.5px;
}

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

/* ---------------------------------------------------------------------------
   Empty State
   --------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  color: var(--gray-500);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
}

.empty-state__description {
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

/* ---------------------------------------------------------------------------
   Record List Items
   --------------------------------------------------------------------------- */
.record-group {
  margin-bottom: var(--space-lg);
}

.record-group__title {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--gray-200);
}

.record-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.record-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.record-item__info {
  flex: 1;
  min-width: 0;
}

.record-item__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.record-item__id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.record-item__meta {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-top: 2px;
}

.record-item__right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

/* ---------------------------------------------------------------------------
   Settings Form
   --------------------------------------------------------------------------- */
.settings-section {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.settings-section__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--gray-200);
}

.settings-section .form-group:last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------------------------
   Responsive Adjustments
   --------------------------------------------------------------------------- */
@media (max-width: 599px) {
  .nav-bar {
    height: auto;
    flex-wrap: wrap;
    padding: var(--space-sm) var(--space-md);
    gap: var(--space-xs);
  }

  .nav-bar__links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    padding-bottom: var(--space-xs);
  }

  .nav-bar__links a {
    font-size: 0.8125rem;
    padding: var(--space-xs) var(--space-sm);
  }

  #app {
    padding: var(--space-sm);
  }

  .page-header h1 {
    font-size: 1.25rem;
  }

  .map-container {
    height: 280px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .status-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 600px) {
  #app {
    padding: var(--space-lg);
  }
}

/* ---------------------------------------------------------------------------
   Utility Classes
   --------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.8125rem; }
.text-mono { font-family: var(--font-mono); }
.font-bold { font-weight: 700; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

.hidden { display: none !important; }

/* ---------------------------------------------------------------------------
   Merge Log Timeline
   --------------------------------------------------------------------------- */
.merge-log-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.merge-event {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--success);
  overflow: hidden;
}

.merge-event--conflict {
  border-left-color: var(--warning);
}

.merge-event__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  cursor: pointer;
  gap: var(--space-sm);
  transition: background var(--transition-fast);
}

.merge-event__header:hover {
  background: var(--gray-50);
}

.merge-event__left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  min-width: 0;
}

.merge-event__right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.merge-event__time {
  font-size: 0.8125rem;
  color: var(--gray-600);
}

.merge-event__record {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.merge-event__ops {
  font-size: 0.75rem;
  color: var(--gray-500);
  background: var(--gray-100);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.merge-event__conflict-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--warning);
  background: rgba(255, 152, 0, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.merge-event__ok-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--success);
  background: rgba(76, 175, 80, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.merge-event__chevron {
  font-size: 0.75rem;
  color: var(--gray-400);
  transition: transform var(--transition-fast);
}

.merge-event__detail {
  padding: 0 var(--space-md) var(--space-md);
  border-top: 1px solid var(--gray-200);
}

/* Merge field cards */
.merge-field {
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--success);
}

.merge-field--conflict {
  border-left-color: var(--warning);
  background: rgba(255, 152, 0, 0.04);
}

.merge-field__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.merge-field__name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--navy);
}

.merge-field__rule {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--teal);
  background: rgba(13, 115, 119, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.merge-field__resolved {
  font-size: 0.8125rem;
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
}

.merge-field__resolved strong {
  color: var(--navy);
}

.merge-entries {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.merge-entry {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  flex-wrap: wrap;
}

.merge-entry--winner {
  background: rgba(76, 175, 80, 0.08);
}

.merge-entry--loser {
  background: rgba(244, 67, 54, 0.05);
}

.merge-entry--loser .merge-entry__value {
  text-decoration: line-through;
  color: var(--gray-400);
}

.merge-entry--neutral {
  background: var(--gray-100);
}

.merge-entry__device {
  font-size: 0.75rem;
  color: var(--gray-500);
  min-width: 100px;
}

.merge-entry__value {
  font-weight: 500;
  color: var(--gray-800);
  flex: 1;
  min-width: 0;
}

.merge-entry__ts {
  font-size: 0.6875rem;
  color: var(--gray-400);
}

.merge-entry__badge {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.merge-entry__badge--win {
  background: var(--success);
  color: var(--white);
}

.merge-entry__badge--lose {
  background: var(--gray-300);
  color: var(--gray-600);
}

.tag-pill--sm {
  font-size: 0.6875rem;
  padding: 2px 6px;
}

.tag-pill--outline {
  background: transparent;
  border: 1.5px solid var(--teal);
  color: var(--teal);
}

/* Merge Log Table */
.merge-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin-top: var(--space-sm);
}

.merge-table thead {
  background: var(--navy);
  color: var(--white);
}

.merge-table th {
  padding: var(--space-xs) var(--space-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.merge-table td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--gray-200);
  vertical-align: top;
}

.merge-row--winner td {
  background: rgba(76, 175, 80, 0.06);
}

.merge-row--loser td {
  background: rgba(244, 67, 54, 0.04);
}

.merge-row--explain td {
  background: var(--gray-50);
  font-size: 0.75rem;
  color: var(--gray-600);
  border-bottom: 2px solid var(--gray-200);
  padding: var(--space-xs) var(--space-sm);
}

.merge-val--win {
  color: var(--success);
  font-weight: 700;
}

.merge-val--lose {
  color: var(--danger);
  text-decoration: line-through;
}

/* ---------------------------------------------------------------------------
   Noscript Fallback
   --------------------------------------------------------------------------- */
.noscript-message {
  max-width: 480px;
  margin: 80px auto;
  padding: var(--space-xl);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.noscript-message h2 {
  color: var(--navy);
  margin-bottom: var(--space-md);
}

.noscript-message p {
  color: var(--gray-600);
}

/* ---------------------------------------------------------------------------
   Docs Page
   --------------------------------------------------------------------------- */
.docs-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.docs-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
  user-select: none;
}

.docs-card__header:hover {
  background: var(--gray-50);
}

.docs-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
}

.docs-card__chevron {
  font-size: 0.75rem;
  color: var(--gray-400);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.docs-card__body {
  padding: 0 var(--space-lg) var(--space-lg);
}

.docs-card__desc {
  font-size: 0.9375rem;
  color: var(--gray-700);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.docs-btn-row {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.docs-endpoint-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

@media (min-width: 600px) {
  .docs-endpoint-groups {
    grid-template-columns: repeat(4, 1fr);
  }
}

.docs-ep-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
}

.docs-ep-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
}

.docs-ep-count {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.docs-svg-container {
  width: 100%;
  overflow-x: auto;
  margin: var(--space-md) 0;
}

.docs-svg-container svg {
  min-width: 500px;
}

/* Scenarios (expandable sub-sections within cards) */
.docs-scenario {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.docs-scenario__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--gray-50);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
  transition: background var(--transition-fast);
}

.docs-scenario__header:hover {
  background: var(--gray-100);
}

.docs-scenario__body {
  padding: var(--space-md);
}

.docs-scenario__body p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

/* CRDT math styling */
.crdt-property {
  background: var(--gray-50);
  border-left: 3px solid var(--teal);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-sm) 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.crdt-prop-name {
  font-weight: 700;
  color: var(--navy);
}

.crdt-prop-desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-top: 2px;
  display: inline-block;
}

.crdt-def {
  background: var(--gray-50);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-sm) 0;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1.8;
}

.crdt-def code,
.crdt-property code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: rgba(13, 115, 119, 0.08);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--teal);
}

.crdt-example {
  background: rgba(33, 150, 243, 0.05);
  border-left: 3px solid var(--accent);
  padding: var(--space-sm) var(--space-md);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.crdt-win {
  color: var(--success);
  font-weight: 700;
}

.crdt-lose {
  color: var(--danger);
  text-decoration: line-through;
}