:root {
  color-scheme: dark;
  --bg: #14171c;
  --panel: #1b1f26;
  --border: #2a2f38;
  --text: #e7e9ec;
  --muted: #9aa3af;
  --accent: #4f8cff;
  --accent-hover: #6ba0ff;
  --good: #3ecf8e;
  --bad: #e5484d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
}

/* Real flex sizing instead of a hardcoded pixel offset for #app - the topbar can
   wrap to multiple lines on narrow screens and #app still lands in the right place. */
.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar-brand {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.tabs { display: flex; align-items: center; gap: 4px; }
.tab {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}
.tab:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.tab.active { color: var(--text); background: var(--border); font-weight: 700; }
.topbar-form {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.topbar-form input {
  width: 140px;
  min-width: 0;
  margin-top: 0;
  padding: 6px 8px;
  background: #0f1216;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12.5px;
}
.topbar-form button {
  width: auto;
  margin-top: 0;
  padding: 6px 12px;
  font-size: 12.5px;
  white-space: nowrap;
}
.topbar-identity {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted);
}
.topbar-identity a { font-size: 12.5px; white-space: nowrap; }
.topbar-status {
  flex-basis: 100%;
  font-size: 12px;
  margin: 0;
}
.topbar-status:empty { display: none; }

#app {
  display: flex;
  flex: 1 1 auto;
  min-height: 0; /* let #sidebar/#main scroll internally instead of overflowing this flex item */
  position: relative;
}

@media (max-width: 640px) {
  #app { flex-direction: column; }
  #sidebar { width: auto; flex: 1 1 50%; border-right: none; border-bottom: 1px solid var(--border); }
  #main { flex: 1 1 50%; }
}

#sidebar {
  width: 340px;
  flex: 0 0 340px;
  padding: 18px;
  overflow-y: auto;
  background: var(--panel);
  border-right: 1px solid var(--border);
}

#sidebar h1 {
  font-size: 18px;
  margin: 0 0 4px;
}

#sidebar h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 8px;
}

section {
  margin: 18px 0;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

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

.bbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

input[type="text"], input[type="number"] {
  width: 100%;
  margin-top: 4px;
  padding: 6px 8px;
  background: #0f1216;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}

input[type="text"]:disabled {
  color: var(--muted);
  background: #14171c;
}

input[type="range"] {
  width: 100%;
  margin-top: 4px;
}

.slider-row, .number-row {
  margin-bottom: 12px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
}

.checkbox-row input { width: auto; }

.color-band-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 8px;
}

.color-band-row input[type="color"] {
  width: 32px;
  height: 28px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #0f1216;
  flex: 0 0 auto;
}

.color-band-row input[type="number"] {
  width: 80px;
  margin-top: 0;
  flex: 0 0 auto;
}

details {
  margin: 18px 0;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

summary {
  cursor: pointer;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

a { color: var(--accent); }

button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

button:hover:not(:disabled) { background: var(--accent-hover); }

button:disabled {
  background: #2a2f38;
  color: var(--muted);
  cursor: not-allowed;
}

#log {
  background: #0f1216;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  font-size: 11px;
  line-height: 1.5;
  height: 160px;
  overflow-y: auto;
  white-space: pre-wrap;
  color: var(--muted);
}

#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#map {
  flex: 1 1 55%;
  min-height: 150px;
}

#mapPreviewSplitter {
  flex: 0 0 8px;
  cursor: row-resize;
  background: var(--border);
  position: relative;
}

#mapPreviewSplitter:hover,
#mapPreviewSplitter.dragging {
  background: var(--accent);
}

#preview {
  flex: 1 1 45%;
  min-height: 150px;
  background: #0b0d10;
  border-top: 1px solid var(--border);
  position: relative;
}

/* ---- Account / projects ---- */
.btn-row { display: flex; gap: 8px; }
.btn-row button { flex: 1 1 auto; margin-top: 8px; }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-hover); background: transparent; }
.btn-secondary.active-unit { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-danger { color: var(--bad); border-color: var(--bad); }
.btn-danger:hover:not(:disabled) { background: var(--bad); color: #fff; }

#account input[type="email"], #account input[type="password"] { margin-bottom: 10px; }

.hint.ok { color: var(--good); }
.hint.error { color: var(--bad); }

.banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: #16241d;
  border: 1px solid var(--good);
  color: var(--good);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 18px 0;
  font-size: 12.5px;
}
.banner .btn-secondary { margin: 0; width: auto; padding: 6px 10px; font-size: 12px; }

/* ---- My Projects page ---- */
.projects-wrap { max-width: 720px; margin: 0 auto; padding: 40px 24px 80px; }
.projects-wrap h1 { font-size: 22px; margin: 0 0 6px; }
.project-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.project-row .project-main { flex: 1 1 200px; min-width: 0; }
.project-row .project-name { font-weight: 600; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.project-row .project-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.project-row .project-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.project-row .project-actions .btn-secondary,
.project-row .project-actions a.btn-secondary {
  width: auto; margin: 0; padding: 6px 12px; font-size: 12px; display: inline-block; text-decoration: none; text-align: center;
}
.empty-state { color: var(--muted); background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 24px; text-align: center; }
.topbar-mini { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; font-size: 13px; color: var(--muted); }
.topbar-mini a { margin-left: 10px; }