/* ClAn — schlankes, modernes UI ohne Framework. */
:root {
  --fg: #1c2733;
  --fg-muted: #61707f;
  --bg: #ffffff;
  --panel: #f7f8fa;
  --border: #dde2e8;
  --accent: #c0392b;
  --accent-soft: #f7dcd6;
  --link: #2c5d8b;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.45;
}

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

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 22px;
  background: #1c2733;
  color: #fff;
  font-size: 13px;
}
header .brand { display: flex; align-items: baseline; gap: 12px; }
header .brand strong { font-size: 17px; letter-spacing: 0.5px; }
header .brand .tag { color: #b8c4d2; font-size: 13px; }
header .meta { color: #aab7c6; font-size: 11px; }

main {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  height: calc(100vh - 48px);
}

aside#sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 18px 18px 30px;
}
aside#sidebar section {
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
aside#sidebar section:last-child { border-bottom: none; }
aside#sidebar h2 {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--fg-muted);
}
.hint { font-size: 12px; color: var(--fg-muted); margin: 4px 0 10px; }
.muted { color: var(--fg-muted); }
.small { font-size: 11px; }

select, input[type="text"], input[type="number"], textarea {
  width: 100%;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  color: var(--fg);
}
select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--link);
}

label { display: block; margin-top: 8px; font-size: 12px; color: var(--fg-muted); }
label.inline { display: block; }
label.inline input { margin-top: 4px; }

.mode-toggle { display: flex; gap: 14px; margin: 6px 0 10px; }
.mode-toggle label { margin: 0; font-size: 13px; color: var(--fg); cursor: pointer; }
.size-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }

.loc-info {
  padding: 8px 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  margin-top: 8px;
}
.loc-info.is-set { color: var(--fg); }

.upload-row { display: flex; gap: 6px; margin-top: 10px; }
.upload-btn {
  cursor: pointer; padding: 8px 12px; background: #fff; border: 1px solid var(--border);
  border-radius: 4px; font-size: 12px; color: var(--fg); flex: 1; text-align: center;
}
.upload-btn:hover { background: #f0f3f7; }

button {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  background: #fff;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}
button:hover { background: #f0f3f7; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

#render-btn {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  margin-top: 12px;
  width: 100%;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
}
#render-btn:hover:not(:disabled) { background: #a82e22; }

textarea { resize: none; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }

#content {
  display: grid;
  grid-template-rows: minmax(280px, 40%) 1fr;
  gap: 0;
}

#map {
  width: 100%;
  height: 100%;
  border-bottom: 1px solid var(--border);
}

#preview {
  background: #fff;
  padding: 20px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#preview-status { margin: auto; padding: 30px; font-size: 14px; }
#preview-img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: var(--shadow);
}
.stats {
  margin-top: 18px;
  width: 100%;
  max-width: 1200px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 12px;
}
.stat-card .stat-label { font-size: 11px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .stat-value { font-size: 18px; font-weight: 600; margin-top: 4px; color: var(--fg); }
.stat-card .stat-detail { font-size: 11px; color: var(--fg-muted); margin-top: 2px; }

footer { margin-top: 24px; }
footer p { margin: 0; }

@media (max-width: 800px) {
  main { grid-template-columns: 1fr; height: auto; }
  aside#sidebar { max-height: none; }
  #content { height: 90vh; }
}