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

:root {
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --card-bg: rgba(30, 41, 59, 0.7);
  --text-color: #eaeaea;
  --panel-bg: rgba(255, 255, 255, 0.05);
  --panel-border: rgba(233, 69, 96, 0.3);
  --header-text: #fff;
  --sub-text: #a0a0a0;
  --input-bg: rgba(0, 0, 0, 0.3);
  --input-text: #fff;
  --footer-border: rgba(255, 255, 255, 0.1);
  --footer-text: #666;
  --accent-color: #3b82f6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
}

body.light-mode {
  --bg-gradient: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);
  --text-color: #102a43;
  --panel-bg: rgba(255, 255, 255, 0.7);
  --panel-border: rgba(233, 69, 96, 0.4);
  --header-text: #102a43;
  --sub-text: #486581;
  --input-bg: rgba(255, 255, 255, 0.9);
  --input-text: #102a43;
  --card-bg: rgba(255, 255, 255, 0.6);
  --footer-border: rgba(16, 42, 67, 0.1);
  --footer-text: #486581;
}

body {
  font-family: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-gradient);
  min-height: 100vh;
  color: var(--text-color);
  padding: 20px;
  transition:
    background 0.5s ease,
    color 0.5s ease;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

/* Fixed positioning for Logo and Theme Toggle */
.logo-container {
  position: fixed !important;
  top: 20px;
  left: 20px;
  z-index: 1000;
}

.theme-toggle-btn {
  position: fixed !important;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

/* Logo Styles */
.logo-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--accent-color);
  transition: transform 0.3s ease;
  object-fit: cover;
  background: #fff;
}

.logo-img:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--accent-color);
}

/* Dropdown Menu Layout */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 60px;
  left: 0;
  min-width: 180px;
  overflow: hidden;
  animation: fadeIn 0.3s ease;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-menu a {
  color: var(--text-color);
  padding: 12px 20px;
  text-decoration: none;
  display: block;
  transition: all 0.2s;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--footer-border);
}

.dropdown-menu a:last-child {
  border-bottom: none;
}

.dropdown-menu a:hover {
  background: var(--accent-color);
  color: #fff;
  padding-left: 25px;
}

/* Glassmorphism for Dropdown and Modals */
.dropdown-menu,
.modal-content {
  background: rgba(20, 20, 30, 0.65) !important;
  backdrop-filter: blur(15px) !important;
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37) !important;
  color: #fff;
}

/* Light mode adjustments for glassmorphism */
body.light-mode .dropdown-menu,
body.light-mode .modal-content {
  background: rgba(255, 255, 255, 0.65) !important;
  color: #102a43;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

header {
  text-align: center;
  padding: 30px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 30px;
  position: relative;
}

header h1 {
  font-size: 2.5rem;
  color: var(--header-text);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 10px;
}

header p {
  color: var(--sub-text);
  font-size: 1.1rem;
}

.example-section {
  background: rgba(59, 130, 246, 0.1);
  border: 2px dashed var(--accent-color);
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 25px;
}

.example-section h3 {
  color: var(--accent-color);
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.example-box {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 12px 15px;
  margin: 10px 0;
  font-family: "Roboto Mono", "Courier New", monospace;
  font-size: 0.85rem;
  color: #10b981;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.example-box:hover {
  border-color: #10b981;
  background: rgba(74, 222, 128, 0.1);
}

.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin-bottom: 30px;
}

@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--panel-bg);
  border-radius: 15px;
  padding: 25px;
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
}

.panel-taf {
  background: linear-gradient(
    145deg,
    rgba(233, 69, 96, 0.1) 0%,
    rgba(233, 69, 96, 0.02) 100%
  );
  border: 1px solid rgba(233, 69, 96, 0.3);
}

.panel-taf h2 {
  color: #ff6b81;
}

.panel-taf h2::before {
  background: #ff6b81;
}

.panel-metar {
  background: linear-gradient(
    145deg,
    rgba(59, 130, 246, 0.1) 0%,
    rgba(59, 130, 246, 0.02) 100%
  );
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.panel-metar h2 {
  color: #60a5fa;
}

.panel-metar h2::before {
  background: #60a5fa;
}

.panel h2 {
  color: var(--accent-color);
  margin-bottom: 20px;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel h2::before {
  content: "";
  width: 4px;
  height: 24px;
  background: var(--accent-color);
  border-radius: 2px;
}

textarea {
  width: 100%;
  min-height: 150px;
  padding: 15px;
  border: 2px solid var(--panel-border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--input-text);
  font-family: "Roboto Mono", "Courier New", monospace;
  font-size: 14px;
  resize: vertical;
  transition: all 0.3s ease;
}

textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.btn-group {
  display: flex;
  gap: 15px;
  margin-top: 20px;
  flex-wrap: wrap;
}

button {
  padding: 12px 25px;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
}

.btn-secondary {
  background: linear-gradient(135deg, #475569, #334155);
  color: #fff;
}

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

.output-panel {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 20px;
  margin-top: 20px;
  border-left: 4px solid var(--accent-color);
  display: none;
}

.output-panel.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.decoded-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--footer-border);
}

.decoded-label {
  color: var(--sub-text);
  font-weight: 500;
}

.decoded-value {
  color: var(--text-color);
  font-weight: 600;
  text-align: right;
}

.station-known {
  color: #10b981;
}
.station-unknown {
  color: #f87171;
}

.verification-result {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.verify-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  border: 2px solid transparent;
}

.verify-card.correct {
  border-color: #10b981;
  background: rgba(74, 222, 128, 0.1);
}
.verify-card.incorrect {
  border-color: #f87171;
  background: rgba(248, 113, 113, 0.1);
}
.verify-card.partial {
  border-color: #fbbf24;
  background: rgba(251, 191, 36, 0.1);
}

.verify-card .status {
  font-size: 1.5rem;
  font-weight: 700;
}

.overall-status {
  text-align: center;
  padding: 25px;
  border-radius: 15px;
  margin-top: 20px;
  font-size: 1.3rem;
  font-weight: 700;
}

.overall-status.verified {
  background: rgba(74, 222, 128, 0.2);
  border: 2px solid #10b981;
  color: #10b981;
}
.overall-status.partial {
  background: rgba(251, 191, 36, 0.2);
  border: 2px solid #fbbf24;
  color: #fbbf24;
}
.overall-status.not-verified {
  background: rgba(248, 113, 113, 0.2);
  border: 2px solid #f87171;
  color: #f87171;
}

/* Dashboard Styles */
.dashboard-container {
  background: var(--panel-bg);
  border-radius: 15px;
  padding: 20px;
  margin-top: 30px;
  border: 1px solid var(--panel-border);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.kpi-card {
  grid-column: span 3;
  background: linear-gradient(
    145deg,
    rgba(59, 130, 246, 0.1),
    rgba(30, 41, 59, 0.4)
  );
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kpi-title {
  font-size: 0.85rem;
  color: var(--sub-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-color);
}

.kpi-sub {
  font-size: 0.8rem;
  margin-top: 5px;
}

.chart-panel {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--footer-border);
  position: relative;
}

.chart-panel.large {
  grid-column: span 8;
  height: 400px;
}
.chart-panel.medium {
  grid-column: span 4;
  height: 400px;
}
.chart-panel.full {
  grid-column: span 12;
  height: 350px;
}

@media (max-width: 1200px) {
  .kpi-card {
    grid-column: span 6;
  }
  .chart-panel.large,
  .chart-panel.medium {
    grid-column: span 12;
  }
}

@media (max-width: 768px) {
  .kpi-card {
    grid-column: span 12;
  }
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.chart-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-canvas-container {
  position: relative;
  height: calc(100% - 40px);
  width: 100%;
}

/* Expanded View Styles */
.dashboard-container.expanded-view .chart-panel.medium {
  grid-column: span 12; /* Make charts take full width */
  height: 500px; /* Increase height */
  transition: all 0.3s ease;
}

.dashboard-container.expanded-view .chart-panel.large {
  height: 600px;
}

/* Legend Styles */
.legend {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}
.legend-color {
  width: 20px;
  height: 20px;
  border-radius: 4px;
}
.legend-color.match {
  background: #10b981;
}
.legend-color.mismatch {
  background: #f87171;
}

.info-section {
  background: var(--panel-bg);
  border-radius: 15px;
  padding: 25px;
  margin-top: 30px;
  border: 1px solid var(--panel-border);
}

.info-grid {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.info-grid.show {
  display: grid;
  animation: fadeIn 0.3s ease;
}

.info-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 20px;
}

.taf-block,
.metar-block {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 15px;
  margin: 10px 0;
  border-left: 3px solid var(--accent-color);
}

.border-c1 {
  border-left-color: #e94560 !important;
}
.border-c2 {
  border-left-color: #3b82f6 !important;
}
.border-c3 {
  border-left-color: #10b981 !important;
}
.border-c4 {
  border-left-color: #f59e0b !important;
}
.border-c5 {
  border-left-color: #8b5cf6 !important;
}
.border-c6 {
  border-left-color: #06b6d4 !important;
}

.report-wrapper {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 25px;
  border-left: 5px solid var(--accent-color);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.report-header {
  background: rgba(0, 0, 0, 0.2);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--footer-border);
}

.change-indicator {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 10px;
}

.change-fm {
  background: #3b82f6;
  color: #fff;
}
.change-becmg {
  background: #f59e0b;
  color: #fff;
}
.change-tempo {
  background: #8b5cf6;
  color: #fff;
}
.change-prob {
  background: #ec4899;
  color: #fff;
}

.alert {
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  display: none;
}

.alert.show {
  display: block;
  animation: fadeIn 0.3s ease;
}
.alert-warning {
  background: rgba(251, 191, 36, 0.2);
  border: 1px solid #fbbf24;
  color: #fbbf24;
}
.alert-error {
  background: rgba(248, 113, 113, 0.2);
  border: 1px solid #f87171;
  color: #f87171;
}
.alert-success {
  background: rgba(74, 222, 128, 0.2);
  border: 1px solid #10b981;
  color: #10b981;
}

.quick-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.quick-btn {
  padding: 8px 16px;
  font-size: 0.8rem;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.quick-btn:hover {
  background: var(--accent-color);
  color: #fff;
}

.badge-validity {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-left: 10px;
  vertical-align: middle;
}
.badge-short {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border: 1px solid #10b981;
}
.badge-long {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  border: 1px solid #3b82f6;
}

.diff-highlight {
  display: block;
  margin-top: 6px;
  color: #f87171;
  font-family: monospace;
  font-size: 0.85rem;
  background: rgba(248, 113, 113, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
}

/* Modal Styles */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: rgba(30, 41, 59, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 15px;
  max-width: 500px;
  width: 90%;
  position: relative;
  color: var(--text-color);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--sub-text);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

footer {
  text-align: center;
  padding-top: 2rem;
  margin-top: 4rem;
  border-top: 1px solid var(--footer-border);
  color: var(--footer-text);
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--header-text);
  margin-bottom: 0.5rem;
}
.footer-subtitle {
  color: var(--sub-text);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.footer-author {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ff9966;
  margin: 1rem 0;
  display: block;
}

@media print {
  body {
    background: #fff;
    color: #000;
  }
  .panel,
  .dashboard-container,
  .kpi-card,
  .chart-panel {
    background: #fff;
    border: 1px solid #ccc;
    color: #000;
    box-shadow: none;
  }
  .btn-group,
  header,
  footer,
  .quick-actions {
    display: none;
  }
}