/* ==========================================================================
   AviatePhotoTracker — Ultra High-Contrast Editorial Field Radar
   Aesthetic: High-Contrast Swiss Editorial / Direct Field Instrument
   Palette: Stark Off-White (#fdfbf7), Pure Pitch Black (#000000) & Crisp Accents
   Typography: Newsreader (Sharp Serif) + Space Grotesk (Sans) + JetBrains Mono
   ========================================================================== */

:root {
  /* High-Contrast Palette */
  --bg-canvas: #fdfbf7;
  --bg-surface: #ffffff;
  --bg-subtle: #f2ece1;
  --bg-accent-dark: #000000;

  --text-primary: #000000;
  --text-secondary: #1e293b;
  --text-muted: #475569;
  --text-inverse: #ffffff;

  --border-strong: #000000;
  --border-subtle: #94a3b8;
  --border-hairline: #cbd5e1;

  /* High-Contrast Print / Action Accents */
  --btn-before-bg: #fef08a;
  --btn-before-active: #eab308;
  --btn-after-bg: #bbf7d0;
  --btn-after-active: #22c55e;
  --btn-end-bg: #fecaca;
  --btn-end-active: #ef4444;

  --accent-olive: #15803d;
  --accent-amber: #b45309;
  --accent-vermilion: #b91c1c;

  /* Typography Tokens */
  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  --shadow-hard: 3px 3px 0 #000000;
  --shadow-soft: 2px 2px 0 #000000;

  --safe-bottom: env(safe-area-inset-bottom, 16px);
}

/* Reset & Box Model */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.editorial-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  background-color: var(--bg-canvas);
}

/* ==========================================================================
   1. Masthead Header (High-Contrast Broadsheet Architecture)
   ========================================================================== */

.masthead {
  background-color: var(--bg-canvas);
  border-bottom: 3px solid var(--border-strong);
  padding: 12px 20px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
  position: relative;
}

.masthead-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--border-strong);
  padding-bottom: 8px;
}

.masthead-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.brand-headline {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.brand-edition {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-weight: 700;
}

/* Telemetry Status Bar */
.telemetry-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.telemetry-cell {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border: 2px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: 2px 2px 0 #000000;
}

.utc-cell {
  background-color: var(--bg-subtle);
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 0;
  background-color: var(--accent-olive);
  display: inline-block;
  border: 1px solid #000000;
}

.signal-good .status-indicator { background-color: #22c55e; }
.signal-fair .status-indicator { background-color: #f59e0b; }
.signal-poor .status-indicator { background-color: #ef4444; }

/* Masthead Controls Row */
.masthead-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box-container {
  position: relative;
  flex: 1 1 360px;
  display: flex;
  align-items: center;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-soft);
}

.search-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 0 12px;
  background-color: var(--border-strong);
  color: var(--text-inverse);
  height: 100%;
  display: flex;
  align-items: center;
}

.search-field {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
}

.search-field::placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
}

.clear-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 10px;
}

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

.search-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-hard);
  max-height: 340px;
  overflow-y: auto;
  z-index: 2000;
}

.search-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.1s ease;
}

.search-item:hover {
  background-color: var(--bg-subtle);
}

.search-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-code {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.85rem;
  background-color: var(--border-strong);
  color: var(--text-inverse);
  padding: 2px 7px;
}

.search-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.search-country {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Masthead Actions & Basemap Group */
.controls-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-btn {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 7px 14px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-soft);
  transition: all 0.1s ease;
}

.control-btn:hover {
  background-color: var(--bg-subtle);
}

.control-btn:active {
  box-shadow: none;
  transform: translate(2px, 2px);
  background-color: var(--border-strong);
  color: var(--text-inverse);
}

.drawer-toggle-btn {
  background-color: var(--border-strong);
  color: var(--text-inverse);
}

.drawer-toggle-btn:hover {
  background-color: #1e293b;
}

/* Sharp Rectangular Basemap Selector */
.basemap-group {
  display: inline-flex;
  border: 2px solid var(--border-strong);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-soft);
}

.basemap-btn {
  border: none;
  border-right: 2px solid var(--border-strong);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 7px 12px;
  color: var(--text-primary);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.1s ease;
}

.basemap-btn:last-child {
  border-right: none;
}

.basemap-btn:hover {
  background-color: var(--bg-subtle);
}

.basemap-btn.active {
  background-color: var(--border-strong);
  color: var(--text-inverse);
}

/* ==========================================================================
   2. Main Viewport & Map Canvas
   ========================================================================== */

.viewport-area {
  position: relative;
  flex: 1;
  display: flex;
  overflow: hidden;
}

.map-canvas {
  width: 100%;
  height: 100%;
  background-color: #ded9cd;
  z-index: 1;
}

/* Leaflet Map Styling Overrides */
.leaflet-container {
  font-family: var(--font-mono) !important;
}

.leaflet-control-zoom {
  border: 2px solid var(--border-strong) !important;
  box-shadow: var(--shadow-soft) !important;
  border-radius: 0 !important;
}

.leaflet-control-zoom a {
  border-radius: 0 !important;
  color: var(--text-primary) !important;
  border-bottom: 2px solid var(--border-strong) !important;
  font-weight: 800 !important;
}

/* Aircraft Marker Leaflet Styling */
.aircraft-marker-container {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s linear;
}

.aircraft-icon-svg {
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.6));
}

.aircraft-callsign-label {
  position: absolute;
  left: 26px;
  top: 2px;
  background-color: #000000;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 5px;
  white-space: nowrap;
  pointer-events: none;
  border: 1px solid #ffffff;
}

/* ==========================================================================
   3. Target Aircraft Telemetry Card (Heavy Contrast Sharp Box)
   ========================================================================== */

.target-card {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 340px;
  background-color: var(--bg-surface);
  border: 3px solid var(--border-strong);
  box-shadow: var(--shadow-hard);
  z-index: 1200;
  padding: 16px 18px;
}

.target-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid var(--border-strong);
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.eyebrow-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: block;
}

.target-reg-headline {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.target-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0 4px;
}

.target-close-btn:hover {
  color: var(--accent-vermilion);
}

.target-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.target-data-point {
  display: flex;
  flex-direction: column;
}

.data-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.data-value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 2px;
}

.data-value.highlight {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1rem;
}

/* Active Recording Strip Banner */
.recording-strip {
  position: absolute;
  top: 18px;
  right: 18px;
  background-color: var(--accent-vermilion);
  color: var(--text-inverse);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-hard);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1200;
}

.rec-square {
  width: 9px;
  height: 9px;
  background-color: #ffffff;
  display: inline-block;
  animation: rec-blink 1s infinite steps(2, start);
}

@keyframes rec-blink {
  to { visibility: hidden; }
}

/* ==========================================================================
   4. Operator Deck (Ultra High-Contrast Tagging Action Buttons)
   ========================================================================== */

.operator-deck {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-canvas);
  border-top: 3px solid var(--border-strong);
  padding: 14px 20px calc(14px + var(--safe-bottom));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
}

/* The 3 Primary Physical Tagging Action Buttons */
.tagging-buttons {
  width: 100%;
  max-width: 800px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.editorial-btn {
  border: 3px solid var(--border-strong);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  transition: all 0.1s ease;
  user-select: none;
  box-shadow: var(--shadow-hard);
}

.editorial-btn .btn-caption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1e293b;
  font-weight: 800;
}

.editorial-btn .btn-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #000000;
}

.editorial-btn .btn-shortcut {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: #334155;
}

/* High-Contrast Button Color Variants */
.btn-before {
  background-color: var(--btn-before-bg);
}

.btn-before:hover {
  background-color: #fde047;
}

.btn-before:active, .btn-before.active {
  background-color: var(--btn-before-active);
  box-shadow: none;
  transform: translate(3px, 3px);
}

.btn-after {
  background-color: var(--btn-after-bg);
}

.btn-after:hover {
  background-color: #86efac;
}

.btn-after:active, .btn-after.active {
  background-color: var(--btn-after-active);
  box-shadow: none;
  transform: translate(3px, 3px);
}

.btn-after.pulsing {
  background-color: #4ade80;
  border-color: #000000;
  animation: pulse-ring 1.5s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

.btn-end {
  background-color: var(--btn-end-bg);
}

.btn-end:hover {
  background-color: #fca5a5;
}

.btn-end:active, .btn-end.active {
  background-color: var(--btn-end-active);
  box-shadow: none;
  transform: translate(3px, 3px);
  color: #ffffff;
}

.btn-end:active .btn-title, .btn-end.active .btn-title,
.btn-end:active .btn-caption, .btn-end.active .btn-caption,
.btn-end:active .btn-shortcut, .btn-end.active .btn-shortcut {
  color: #ffffff;
}

/* ==========================================================================
   5. Retractable Editorial Drawer (Flight List & Lightroom Tags)
   ========================================================================== */

.editorial-drawer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 460px;
  background-color: var(--bg-canvas);
  border-left: 3px solid var(--border-strong);
  z-index: 1300;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -8px 0 0 rgba(0, 0, 0, 0.15);
}

.editorial-drawer.open {
  transform: translateX(0);
}

.drawer-header {
  height: 14px;
  background-color: var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.drawer-handle-notch {
  width: 44px;
  height: 4px;
  background-color: var(--bg-canvas);
}

.drawer-nav {
  display: flex;
  border-bottom: 3px solid var(--border-strong);
  background-color: var(--bg-surface);
}

.drawer-nav-item {
  flex: 1;
  background: transparent;
  border: none;
  border-right: 2px solid var(--border-strong);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  cursor: pointer;
  text-align: center;
  transition: all 0.1s ease;
}

.drawer-nav-item.active {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  border-bottom: 3px solid var(--bg-canvas);
  margin-bottom: -3px;
}

.drawer-dismiss-btn {
  background: none;
  border: none;
  padding: 0 16px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
}

.drawer-dismiss-btn:hover {
  background-color: var(--bg-subtle);
}

.drawer-content {
  flex: 1;
  display: none;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-canvas);
}

.drawer-content.active {
  display: flex;
}

/* Filter Strip */
.filter-strip {
  padding: 12px 16px;
  border-bottom: 2px solid var(--border-strong);
  display: flex;
  gap: 10px;
  background-color: var(--bg-subtle);
}

.filter-search-box {
  flex: 1;
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
}

.btn-strip-action {
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 8px 14px;
  cursor: pointer;
  text-transform: uppercase;
  color: var(--text-primary);
  box-shadow: var(--shadow-soft);
}

.btn-strip-action:hover {
  background: var(--border-strong);
  color: var(--text-inverse);
}

/* Flight List Rows */
.flight-list-rows, .session-list-rows {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px calc(16px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.flight-card-item {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: all 0.1s ease;
}

.flight-card-item:hover {
  background-color: var(--bg-subtle);
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-hard);
}

.flight-card-item.selected {
  background-color: #fef9c3;
  border: 3px solid var(--border-strong);
  box-shadow: var(--shadow-hard);
}

.flight-card-callsign {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  display: block;
}

.flight-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 3px;
}

.flight-card-reg {
  font-weight: 800;
  color: var(--text-primary);
  background: #f1f5f9;
  padding: 1px 4px;
  border: 1px solid #cbd5e1;
}

.flight-card-right {
  text-align: right;
  display: flex;
  flex-direction: column;
}

.flight-card-alt {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-primary);
}

.flight-card-alt.ground {
  color: #c2410c;
  font-weight: 800;
}

.flight-card-spd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Lightroom Session Rows */
.session-management-bar {
  padding: 14px 16px;
  border-bottom: 2px solid var(--border-strong);
  background-color: var(--bg-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.session-headline {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.session-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
}

.session-export-actions {
  display: flex;
  gap: 8px;
}

.export-btn, .clear-btn-solid {
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-primary);
  box-shadow: 2px 2px 0 #000000;
}

.export-btn:hover {
  background-color: var(--border-strong);
  color: var(--text-inverse);
}

.clear-btn-solid:hover {
  background-color: var(--accent-vermilion);
  border-color: var(--accent-vermilion);
  color: var(--text-inverse);
}

.session-event-item {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-soft);
}

.session-event-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.event-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border: 2px solid var(--border-strong);
}

.event-badge.before {
  background-color: var(--btn-before-bg);
  color: #000000;
}

.event-badge.after {
  background-color: var(--btn-after-bg);
  color: #000000;
}

.event-reg {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.session-event-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.session-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.empty-notice, .empty-state {
  padding: 28px;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   6. Utilities & Responsive Mobile Overrides
   ========================================================================== */

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .masthead {
    padding: 8px 12px;
    gap: 8px;
  }

  .masthead-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .brand-headline {
    font-size: 1.4rem;
  }

  .brand-edition {
    display: none;
  }

  .masthead-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .search-box-container {
    flex: 1 1 auto;
    width: 100%;
  }

  .controls-actions {
    justify-content: space-between;
    width: 100%;
  }

  .basemap-group {
    flex: 1;
    display: flex;
  }

  .basemap-btn {
    flex: 1;
    text-align: center;
    padding: 6px 4px;
    font-size: 0.65rem;
  }

  .editorial-drawer {
    width: 100%;
    max-height: 70vh;
    top: auto;
    bottom: 0;
    transform: translateY(100%);
    border-left: none;
    border-top: 3px solid var(--border-strong);
  }

  .editorial-drawer.open {
    transform: translateY(0);
  }

  .target-card {
    top: 10px;
    left: 10px;
    right: 10px;
    width: auto;
  }

  .operator-deck {
    padding: 10px 12px calc(10px + var(--safe-bottom));
  }

  .tagging-buttons {
    gap: 8px;
  }

  .editorial-btn {
    padding: 10px 6px;
  }

  .editorial-btn .btn-title {
    font-size: 0.95rem;
  }

  .editorial-btn .btn-shortcut {
    display: none;
  }
}