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

:root {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-card: #1a1a2e;
  --bg-card-hover: #1f1f3a;
  --bg-input: #0d0d1a;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #5b6abf;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0b0;
  --text-dim: #6b6b7b;
  --accent-primary: #5b6abf;
  --accent-secondary: #7c4dff;
  --accent-green: #4caf50;
  --accent-blue: #42a5f5;
  --accent-orange: #ff9800;
  --accent-red: #ef5350;
  --accent-cyan: #26c6da;
  --accent-yellow: #fdd835;
  --accent-pink: #ec407a;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-lg: 16px;
  --transition: all 0.25s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ========== HEADER ========== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(18, 18, 18, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: var(--transition);
}

.logo:hover {
  color: var(--accent-secondary);
}

nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  transition: var(--transition);
}

nav a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

nav a.active {
  color: var(--accent-primary);
  background: rgba(91, 106, 191, 0.12);
}

.login-btn {
  padding: 0.4rem 1.2rem !important;
  border: 1px solid var(--border-color);
  border-radius: 20px !important;
  cursor: pointer;
}

.login-btn:hover {
  background: var(--accent-primary) !important;
  color: white !important;
  border-color: var(--accent-primary) !important;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  height: 50vh;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/static/images/hero.jpg') no-repeat center center;
  background-size: cover;
  opacity: 0.15;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
  max-width: 800px;
  text-align: center;
}

.hero-content blockquote {
  font-size: clamp(1.4rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin: 0;
  font-style: italic;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  animation: fadeInUp 0.8s ease-out;
}

.hero-content cite {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== CONTENT ========== */
.content-wrapper {
  position: relative;
  z-index: 10;
  margin-top: -30px;
  padding: 0 1rem 4rem;
}

.page-section {
  max-width: 1200px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.6s forwards ease-out 0.15s;
}

@keyframes slideUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ========== HOME INTRO ========== */
.home-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.home-intro h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-intro p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(91, 106, 191, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(91, 106, 191, 0.4);
}

/* ========== FEATURES GRID ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(91, 106, 191, 0.3);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  display: block;
}

.feature-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.feature-card p {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ========== TRANSLATOR UI ========== */
.translator-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1rem;
}

.translator-ui {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.ui-side {
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.ui-side:first-child {
  border-right: 1px solid var(--border-color);
}

.ui-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ui-label .label-icon {
  font-size: 0.85rem;
}

textarea {
  width: 100%;
  height: 280px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 400;
  resize: none;
  outline: none;
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  border-radius: var(--radius);
  padding: 1rem;
  transition: var(--transition);
  line-height: 1.8;
}

textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(91, 106, 191, 0.15);
}

textarea::placeholder {
  color: var(--text-dim);
}

.output-area {
  height: 280px;
  overflow-y: auto;
  font-size: 0.9rem;
  color: var(--text-primary);
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  line-height: 1.8;
}

.output-area .placeholder-text {
  color: var(--text-dim);
  font-style: italic;
}

/* ========== TRANSLATED OUTPUT ITEMS ========== */
.decoded-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.decoded-item:last-child {
  border-bottom: none;
}

.decoded-icon {
  font-size: 1.1rem;
  min-width: 28px;
  text-align: center;
  padding-top: 2px;
}

.decoded-label {
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 90px;
}

.decoded-value {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.decoded-label.wind { color: var(--accent-green); }
.decoded-label.visibility { color: var(--accent-cyan); }
.decoded-label.clouds { color: var(--accent-orange); }
.decoded-label.weather { color: var(--accent-red); }
.decoded-label.temp { color: var(--accent-yellow); }
.decoded-label.pressure { color: var(--accent-blue); }
.decoded-label.airport { color: var(--accent-pink); }
.decoded-label.time { color: var(--accent-secondary); }

/* Tooltips */
.tooltip-wrapper {
  position: relative;
  cursor: help;
  border-bottom: 1px dotted currentColor;
}

.tooltip-wrapper .tooltip-text {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #2a2a3e;
  color: var(--text-primary);
  font-size: 0.75rem;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 50;
  pointer-events: none;
  margin-bottom: 4px;
}

.tooltip-wrapper:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* ========== SYNTAX HIGHLIGHTING (input) ========== */
.highlighted-metar {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.95rem;
  line-height: 1.8;
  padding: 1rem;
  min-height: 280px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  white-space: pre-wrap;
  word-break: break-word;
}

.metar-airport { color: var(--accent-pink); font-weight: 600; }
.metar-time { color: var(--accent-secondary); }
.metar-wind { color: var(--accent-green); font-weight: 600; }
.metar-visibility { color: var(--accent-cyan); }
.metar-weather { color: var(--accent-red); font-weight: 600; }
.metar-clouds { color: var(--accent-orange); }
.metar-temp { color: var(--accent-yellow); }
.metar-pressure { color: var(--accent-blue); }
.metar-other { color: var(--text-dim); }

/* ========== ACTION BUTTONS ========== */
.translator-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.btn-translate {
  padding: 0.7rem 2rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  border-radius: 25px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(91, 106, 191, 0.3);
  transition: var(--transition);
  font-family: inherit;
}

.btn-translate:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(91, 106, 191, 0.4);
}

.btn-secondary {
  padding: 0.7rem 1.25rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ========== EXAMPLE METAR CHIPS ========== */
.examples-section {
  margin-top: 1.5rem;
}

.examples-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.example-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.example-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  transition: var(--transition);
}

.example-chip:hover {
  background: rgba(91, 106, 191, 0.15);
  border-color: rgba(91, 106, 191, 0.3);
  color: var(--text-primary);
}

.example-chip .chip-label {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  color: var(--accent-primary);
  font-size: 0.7rem;
}

/* ========== HISTORY SECTION ========== */
.history-section {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.history-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.history-clear {
  font-size: 0.7rem;
  color: var(--text-dim);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  transition: var(--transition);
}

.history-clear:hover {
  color: var(--accent-red);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 150px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
}

.history-item:hover {
  background: rgba(91, 106, 191, 0.1);
  color: var(--text-primary);
}

.history-item .history-time {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  color: var(--text-dim);
  min-width: 40px;
}

.history-empty {
  color: var(--text-dim);
  font-size: 0.8rem;
  font-style: italic;
  text-align: center;
  padding: 0.5rem;
}

/* ========== METAR LEGEND ========== */
.legend-section {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.legend-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.5rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot.airport { background: var(--accent-pink); }
.legend-dot.time { background: var(--accent-secondary); }
.legend-dot.wind { background: var(--accent-green); }
.legend-dot.visibility { background: var(--accent-cyan); }
.legend-dot.weather { background: var(--accent-red); }
.legend-dot.clouds { background: var(--accent-orange); }
.legend-dot.temp { background: var(--accent-yellow); }
.legend-dot.pressure { background: var(--accent-blue); }

.legend-label {
  color: var(--text-secondary);
}

/* ========== FOOTER ========== */
.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-dim);
  font-size: 0.75rem;
  border-top: 1px solid var(--border-color);
  margin-top: 3rem;
}

/* ========== LOGIN PAGE ========== */
.login-container {
  max-width: 400px;
  margin: 100px auto 0;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
}

.login-container h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.login-container p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  header {
    padding: 0.75rem 1rem;
  }

  nav {
    gap: 0.25rem;
  }

  nav a {
    font-size: 0.8rem;
    padding: 0.35rem 0.6rem;
  }

  .hero {
    height: 35vh;
    min-height: 240px;
  }

  .hero-content blockquote {
    font-size: clamp(1.1rem, 5vw, 1.8rem);
  }

  .translator-ui {
    flex-direction: column;
  }

  .ui-side:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .ui-side {
    padding: 1rem;
  }

  textarea,
  .output-area,
  .highlighted-metar {
    height: 200px;
    min-height: 200px;
  }

  .translator-actions {
    flex-direction: column;
  }

  .btn-translate,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
  }

  .home-intro {
    padding: 2rem 1rem;
  }

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

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

@media (max-width: 480px) {
  .logo {
    font-size: 1.1rem;
  }

  nav a {
    font-size: 0.75rem;
    padding: 0.3rem 0.5rem;
  }

  .hero-content blockquote {
    font-size: 1.2rem;
  }

  .ui-side {
    padding: 0.75rem;
  }

  textarea,
  .output-area,
  .highlighted-metar {
    height: 160px;
    min-height: 160px;
    font-size: 0.85rem;
  }

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

  .example-chips {
    flex-direction: column;
  }
}

/* ========== AIRPORT DATABASE ========== */
.airports-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1rem;
}

/* Stats bar */
.airports-stats,
.practice-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
  animation: statFadeIn 0.5s forwards ease-out;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes statFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  margin: 0 auto 0.75rem;
  background: rgba(91, 106, 191, 0.12);
  color: var(--accent-primary);
}

.stat-icon--regions {
  background: rgba(76, 175, 80, 0.12);
  color: var(--accent-green);
}

.stat-icon--countries {
  background: rgba(255, 152, 0, 0.12);
  color: var(--accent-orange);
}

.stat-icon--runways {
  background: rgba(124, 77, 255, 0.12);
  color: var(--accent-secondary);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.25rem;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.airports-toolbar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.search-box {
  position: relative;
}

.search-box .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  border-radius: var(--radius);
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(91, 106, 191, 0.15);
}

.search-box input::placeholder {
  color: var(--text-dim);
}

.filter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.region-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.region-btn {
  padding: 0.3rem 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.region-btn:hover {
  background: rgba(91, 106, 191, 0.12);
  border-color: rgba(91, 106, 191, 0.3);
  color: var(--text-primary);
}

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

.airports-count {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 500;
}

.airports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.airport-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  cursor: pointer;
  transition: var(--transition);
}

.airport-card--animated {
  opacity: 0;
  transform: translateY(12px);
  animation: cardSlideIn 0.35s forwards ease-out;
}

@keyframes cardSlideIn {
  to { opacity: 1; transform: translateY(0); }
}

.airport-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(91, 106, 191, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.airport-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.airport-icao {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-pink);
}

.airport-iata {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-primary);
  background: rgba(91, 106, 191, 0.12);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.airport-card-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.airport-card-location {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.airport-card-location svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.airport-card-meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.airport-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Airport detail modal */
.airport-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.airport-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 0.25s ease-out;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
  padding: 0.25rem;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-header-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.modal-icao {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-pink);
}

.modal-iata {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: rgba(91, 106, 191, 0.12);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.modal-name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.modal-location {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.modal-location svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.modal-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.modal-detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.modal-detail-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.modal-detail-label svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.modal-detail-value {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
}

.modal-actions {
  text-align: center;
}

.btn-translate-modal {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: 0 4px 15px rgba(91, 106, 191, 0.3);
}

.btn-translate-modal:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(91, 106, 191, 0.4);
}

@media (max-width: 768px) {
  .airports-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

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

  .modal-details {
    grid-template-columns: 1fr;
  }

  .airport-modal {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .airports-grid {
    grid-template-columns: 1fr;
  }

  .filter-row {
    flex-direction: column;
    align-items: flex-start;
  }

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

/* ========== PRACTICE PAGE ========== */
.practice-container {
  max-width: 800px;
  margin: 0 auto;
  padding-top: 1rem;
}

.practice-modes {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.practice-modes-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.mode-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

.mode-btn:hover {
  background: rgba(91, 106, 191, 0.12);
  border-color: rgba(91, 106, 191, 0.3);
  color: var(--text-primary);
}

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

/* Quiz Card */
.quiz-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.quiz-prompt {
  text-align: center;
  margin-bottom: 1.5rem;
}

.quiz-instruction {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.quiz-metar {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  color: var(--text-primary);
  min-height: 2rem;
}

.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.quiz-option:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(91, 106, 191, 0.3);
}

.quiz-option--animated {
  opacity: 0;
  transform: scale(0.95);
  animation: optionPop 0.3s forwards ease-out;
}

@keyframes optionPop {
  to { opacity: 1; transform: scale(1); }
}

.quiz-option--correct {
  background: rgba(76, 175, 80, 0.15) !important;
  border-color: var(--accent-green) !important;
  color: var(--accent-green) !important;
}

.quiz-option--wrong {
  background: rgba(239, 83, 80, 0.15) !important;
  border-color: var(--accent-red) !important;
  color: var(--accent-red) !important;
}

.option-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.quiz-feedback {
  text-align: center;
  margin-bottom: 1rem;
  min-height: 1.5rem;
  border-radius: var(--radius);
  padding: 0;
  transition: all 0.3s ease;
}

.quiz-feedback--correct {
  background: rgba(76, 175, 80, 0.1);
  padding: 0.75rem;
  animation: feedbackPulse 0.4s ease-out;
}

.quiz-feedback--wrong {
  background: rgba(239, 83, 80, 0.1);
  padding: 0.75rem;
  animation: feedbackPulse 0.4s ease-out;
}

@keyframes feedbackPulse {
  0% { transform: scale(0.95); opacity: 0; }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

.feedback-correct {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--accent-green);
  font-weight: 600;
  font-size: 0.9rem;
}

.feedback-wrong {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--accent-red);
  font-weight: 500;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.quiz-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.quiz-actions .btn-translate,
.quiz-actions .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Practice Reference */
.practice-reference {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.reference-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.5rem;
}

.reference-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0;
}

.reference-code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  min-width: 110px;
}

.reference-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
}

@media (max-width: 768px) {
  .quiz-options {
    grid-template-columns: 1fr;
  }

  .mode-buttons {
    flex-direction: column;
  }

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

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

@media (max-width: 480px) {
  .quiz-card {
    padding: 1.25rem;
  }

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

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

button:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: rgba(91, 106, 191, 0.3);
  color: white;
}