:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: #0ea5e9;
  --danger: #f87171;
  --ok: #4ade80;
  --warn: #fde047;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font: 14px/1.45 system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

#app {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: 100vh;
}

#sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-head h1 { margin: 0; font-size: 18px; }

.home-link { text-decoration: none; font-size: 22px; }

.panel {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.panel h2 {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
  font-size: 13px;
}

.field span { color: var(--muted); font-size: 12px; }

input, select, textarea, button {
  font: inherit;
  color: var(--text);
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
}

textarea { resize: vertical; min-height: 72px; }

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 13px;
}

button {
  width: 100%;
  background: var(--accent-dim);
  border: none;
  font-weight: 600;
  cursor: pointer;
}

button:hover { background: var(--accent); }
button:disabled { opacity: 0.5; cursor: wait; }

.progress-panel {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.progress-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12px;
}

.progress-track {
  height: 8px;
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 8%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  transition: width 0.45s ease;
}

.progress-bar.indeterminate {
  width: 35% !important;
  animation: progress-slide 1.4s ease-in-out infinite;
}

.progress-hint {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.35;
}

@keyframes progress-slide {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}

.busy-overlay {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: -16px -20px 16px;
  padding: 28px 20px;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border);
}

.busy-card {
  max-width: 420px;
  margin: 0 auto;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}

.busy-spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
}

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

.busy-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
}

.busy-detail {
  margin: 0 0 14px;
  font-size: 13px;
}

.busy-track {
  margin-bottom: 10px;
}

.status {
  font-size: 12px;
  color: var(--muted);
}

#main {
  overflow-y: auto;
  padding: 16px 20px 32px;
  position: relative;
}

.intro { color: var(--muted); max-width: 720px; }

.msg {
  padding: 10px 14px;
  border-radius: 8px;
  margin: 10px 0;
  font-size: 13px;
}

.msg.error { background: rgba(248, 113, 113, 0.15); border: 1px solid var(--danger); }
.msg.ok { background: rgba(74, 222, 128, 0.12); border: 1px solid var(--ok); }
.msg.info { background: rgba(56, 189, 248, 0.12); border: 1px solid var(--accent); }
.msg.warn { background: rgba(253, 224, 71, 0.12); border: 1px solid var(--warn); color: #fef9c3; }

.decomp-box {
  margin: 12px 0;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}

.scent-rose-panel {
  margin: 0 0 16px;
  padding: 12px 14px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(11, 18, 32, 0.55);
}

.scent-rose-panel h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.scent-rose-panel .report-rose {
  max-width: min(560px, 100%);
}

.roses-panel {
  margin: 0 0 18px;
  padding: 14px 16px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(11, 18, 32, 0.55);
}

.roses-panel h2 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.roses-hint {
  margin: 0 0 12px;
  font-size: 0.9rem;
}

.roses-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: start;
}

@media (max-width: 960px) {
  .roses-grid {
    grid-template-columns: 1fr;
  }
}

.rose-card {
  margin: 0;
  padding: 0;
}

.rose-card figcaption {
  margin: 0 0 8px;
  font-weight: 600;
  font-size: 0.95rem;
}

.rose-card img,
.roses-panel .report-rose {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0b1220;
}

.report-box {
  margin: 12px 0;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}

.report-box h2 {
  margin: 0 0 10px;
  font-size: 15px;
}

.report-section {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

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

.report-section h3 {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--accent);
}

.report-section ul {
  margin: 0;
  padding-left: 18px;
}

.report-section li { margin: 3px 0; }

.report-rose, .report-model-png {
  display: block;
  max-width: 100%;
  margin: 10px 0 4px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0b1220;
}

.report-rose-chart {
  margin: 10px 0 8px;
  min-height: 420px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b1220;
  overflow: hidden;
}

.report-rose-actions { margin: 8px 0 4px; }

.btn-rose-dl {
  width: auto !important;
  display: inline-block;
  padding: 8px 14px;
  background: #334155;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}

.windrose-help {
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px 12px;
  margin: 8px 0 12px;
}
.windrose-help summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
}
.windrose-help h4 {
  margin: 10px 0 4px;
  font-size: 13px;
  color: #e2e8f0;
}
.windrose-help ul {
  margin: 0 0 4px;
  padding-left: 18px;
  color: var(--muted);
}
.windrose-help li { margin: 2px 0; }

.exports {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.exports a, .exports button {
  width: auto;
  display: inline-block;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--text);
  background: #334155;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
}

#dog-track-gpx {
  width: 100%;
  max-width: 100%;
  color: var(--muted);
  font-size: 13px;
}

#dog-track-name {
  display: block;
  margin-top: 4px;
  font-size: 12px;
}

.btn-pdf,
#download-pdf-btn {
  background: #0f766e !important;
  color: #ecfeff !important;
  font-weight: 600;
}

#download-pdf-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pdf-hint {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.35;
}

#map-wrap h2 { margin: 16px 0 8px; font-size: 16px; }

#map-frame {
  width: 100%;
  height: min(880px, 75vh);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #111;
}

.attrib { font-size: 11px; color: var(--muted); margin: 6px 0 0; }

.summary {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--panel);
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.5;
}

.terrain-details {
  margin-top: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
}

.terrain-details summary { cursor: pointer; font-weight: 600; }

.muted { color: var(--muted); font-size: 12px; }

.field-hint {
  margin: -6px 0 10px;
  padding: 0 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.symbol-list { margin: 8px 0 0; padding-left: 18px; }

@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  #sidebar { max-height: 45vh; }
}