/* WeatherBrief — minimal, aviation-inspired styles */

:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --text: #1a1a2e;
  --text-muted: #6c757d;
  --border: #dee2e6;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc3545;
  --danger-hover: #c82333;
  --green: #198754;
  --green-bg: #d1e7dd;
  --amber: #cc8800;
  --amber-bg: #fff3cd;
  --red: #dc3545;
  --red-bg: #f8d7da;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

h1, h2, h3, h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Buttons --- */

.btn {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { background: #93b4f0; cursor: not-allowed; }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg); }
.btn-secondary:disabled { color: var(--text-muted); border-color: var(--border); cursor: not-allowed; }

/* --- Forms --- */

input, select {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--surface);
  color: var(--text);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.form-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 0.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.grow { flex: 1; }

/* --- Page header --- */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

/* --- Flight cards --- */

.flight-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
}

.flight-header {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.4rem;
}

.flight-route {
  font-weight: 600;
  font-size: 1rem;
}

.flight-date {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.flight-alt {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: monospace;
}

.flight-status {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.pack-info { color: var(--text-muted); }

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

/* --- Badges --- */

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-green { background: var(--green-bg); color: var(--green); }
.badge-amber { background: var(--amber-bg); color: var(--amber); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-none { background: var(--bg); color: var(--text-muted); }

/* --- Assessment banner --- */

.assessment-banner {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.assessment-green { background: var(--green-bg); color: var(--green); border: 1px solid var(--green); }
.assessment-amber { background: var(--amber-bg); color: var(--amber); border: 1px solid var(--amber); }
.assessment-red { background: var(--red-bg); color: var(--red); border: 1px solid var(--red); }
.assessment-none { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }

/* --- Briefing header --- */

.briefing-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

#briefing-header {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  flex: 1;
}

.route-summary { font-weight: 600; }
.date-summary { color: var(--text-muted); font-size: 0.9rem; }
.alt-summary { color: var(--text-muted); font-size: 0.9rem; font-family: monospace; }

/* --- Sections --- */

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.section h3 {
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.muted { color: var(--text-muted); font-style: italic; }

/* --- Digest sections --- */

.digest-section {
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.digest-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.digest-section h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.digest-section p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- GRAMET --- */

.gramet-img {
  width: 100%;
  border-radius: var(--radius);
  cursor: pointer;
}

/* --- Model comparison table --- */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.4rem 0.6rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: var(--bg);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.comparison-table .var-name {
  text-align: left;
  font-weight: 500;
}

.agree-good { color: var(--green); }
.agree-moderate { color: var(--amber); }
.agree-poor { color: var(--red); }

.comparison-waypoint { margin-bottom: 1rem; }
.comparison-waypoint h4 { font-size: 0.9rem; margin-bottom: 0.4rem; }

/* --- Sounding analysis --- */

.sounding-waypoint {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.sounding-waypoint:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.sounding-waypoint h4 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.sounding-waypoint h5 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  margin-top: 0.5rem;
}

.convective-banner {
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
  background: var(--amber-bg);
  border: 1px solid var(--amber);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.altitude-markers, .icing-zones, .enhanced-clouds {
  margin-bottom: 0.5rem;
}

.marker-row, .icing-row, .cloud-row {
  font-size: 0.85rem;
  padding: 0.2rem 0;
}

.risk-light { color: var(--green); }
.risk-moderate { color: var(--amber); }
.risk-high { color: var(--red); }
.risk-severe { color: var(--red); font-weight: 600; }

.sld-badge {
  display: inline-block;
  background: var(--red-bg);
  color: var(--red);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  vertical-align: middle;
}

/* Band comparison expandable sections */

.band-details {
  margin-bottom: 0.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.band-details summary {
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--bg);
  border-radius: var(--radius);
}

.band-details[open] summary {
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
}

.band-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.band-table th, .band-table td {
  padding: 0.3rem 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.band-table th {
  background: var(--bg);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
}

.band-table .var-name {
  text-align: left;
  font-weight: 500;
}

/* --- Skew-T gallery --- */

.skewt-gallery {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.skewt-card {
  flex: 0 0 auto;
  width: 280px;
  text-align: center;
}

.skewt-card h4 {
  font-family: monospace;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.skewt-img {
  width: 100%;
  border-radius: var(--radius);
  cursor: pointer;
}

.skewt-fallback { display: none; color: var(--text-muted); padding: 2rem; }
.skewt-unavailable .skewt-img { display: none; }
.skewt-unavailable .skewt-fallback { display: block; }

/* --- Route slider --- */

.route-slider-info {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.slider-point-label {
  font-weight: 600;
}

.slider-distance, .slider-time {
  color: var(--text-muted);
  font-family: monospace;
  font-size: 0.85rem;
}

.slider-wind {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.route-slider-track {
  position: relative;
  padding-bottom: 1.5rem;
}

.route-slider-input {
  width: 100%;
  margin: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  border: none;
  padding: 0;
}

.route-slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.route-slider-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.slider-waypoint-labels {
  position: relative;
  height: 1.2rem;
  margin-top: 0.2rem;
}

.slider-waypoint-label {
  position: absolute;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 600;
  font-family: monospace;
  color: var(--text-muted);
  white-space: nowrap;
}

.slider-endpoints {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.skewt-card-large {
  width: 400px;
}

/* --- Model toggle --- */

.model-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

/* --- Refresh status --- */

.refresh-status {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-muted);
  white-space: nowrap;
}

/* --- Loading --- */

#loading-spinner {
  display: none;
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

#loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.7);
  justify-content: center;
  align-items: center;
  z-index: 100;
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* --- Error --- */

#error-message {
  display: none;
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* --- Empty state --- */

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

/* --- Create form panel --- */

.create-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.create-panel h3 { margin-bottom: 0.75rem; }

/* --- Image lightbox --- */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  justify-content: center;
  align-items: center;
  z-index: 200;
  cursor: pointer;
  padding: 2rem;
}

.lightbox.active { display: flex; }

.lightbox img {
  max-width: 95vw;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* --- Login page --- */

.login-panel {
  max-width: 380px;
  margin: 15vh auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.login-panel h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.15s;
}

.btn-login-google {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-login-google:hover {
  background: var(--bg);
  text-decoration: none;
}

.pending-message {
  background: var(--amber-bg);
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  text-align: left;
}

/* --- User info in header --- */

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.user-name {
  font-weight: 500;
}

.btn-logout {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius);
}

.btn-logout:hover {
  color: var(--danger);
  background: var(--red-bg);
}

/* --- Responsive --- */

@media (max-width: 640px) {
  .flight-header { flex-wrap: wrap; }
  .briefing-toolbar { flex-direction: column; align-items: stretch; }
  .skewt-card { width: 220px; }
}