:root {
  --bg: #1e1e2e;
  --panel: #26263a;
  --border: #3a3a52;
  --fg: #e0e0f0;
  --muted: #9a9ab5;
  --accent: #89b4fa;
  --accent-fg: #1e1e2e;
  --error: #f38ba8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}
header h1 { margin: 0; font-size: 1.2rem; }
.tagline { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.85rem; }
.tagline a { color: var(--accent); }

/* What is running: one line per component, filled in from /api/config. */
.versions {
  color: var(--muted);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: right;
}
.versions a { color: var(--accent); }
.versions .dirty { color: var(--error); }

.banner {
  padding: 0.6rem 1rem;
  background: var(--error);
  color: var(--accent-fg);
  font-weight: 600;
}

main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  min-height: 0;
}

.pane {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.6rem 0.8rem;
  align-items: end;
}
.controls label {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  color: var(--muted);
  gap: 0.2rem;
}
.controls select, .controls input {
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
  font: inherit;
}
.controls input { width: 8rem; }
.controls label.check {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  color: var(--fg);
}
.controls label.check input { width: auto; }
.controls label.wide { flex: 1 1 100%; }
.controls label.wide input { width: 100%; }

.help-link {
  background: var(--panel);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 1.2rem;
  height: 1.2rem;
  padding: 0;
  margin-left: 0.3rem;
  font: inherit;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}
.help-link:hover { border-color: var(--accent); }

/* Prose, unlike the other panels' <pre>: it wraps. */
.help { padding: 0.8rem; font-size: 0.85rem; line-height: 1.5; }
.help p { margin: 0 0 1rem; color: var(--muted); }
.help a { color: var(--accent); }
.help code { font-family: ui-monospace, "SF Mono", Menlo, monospace; white-space: normal; }
.help dt code { color: var(--accent); }
.help dd { margin: 0.1rem 0 0.8rem 1.2rem; }

.pane-input .CodeMirror {
  flex: 1;
  height: auto;
  font-size: 0.9rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0.6rem 0.8rem;
}

#generate {
  flex: 1;
  padding: 0.6rem;
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}
#generate:disabled { opacity: 0.5; cursor: wait; }

#share {
  padding: 0.6rem 1rem;
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
}
#share:hover { border-color: var(--accent); }

.share-status { flex: 1 1 100%; font-size: 0.75rem; color: var(--muted); }
.share-status:empty { display: none; }
.share-status.warn { color: var(--error); }

.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.tab {
  background: none;
  border: none;
  color: var(--muted);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font: inherit;
}
.tab.active { color: var(--fg); border-bottom-color: var(--accent); }

.tab-panel {
  display: none;
  flex: 1;
  position: relative;
  min-height: 0;
  overflow: auto;
}
.tab-panel.active { display: block; }
.tab-panel pre {
  margin: 0;
  padding: 0.8rem;
  min-height: 100%;
}
.tab-panel code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.85rem;
  white-space: pre;
}

.copy {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  font-size: 0.75rem;
  z-index: 2;
}
.copy:hover { border-color: var(--accent); }

/* ANSI SGR colours for diagnostics (see renderDiagnostics in app.js). */
.ansi-bold { font-weight: 600; }
.ansi-30, .ansi-90 { color: #6c7086; } /* black / bright black */
.ansi-31, .ansi-91 { color: #f38ba8; } /* red     — Error   */
.ansi-32, .ansi-92 { color: #a6e3a1; } /* green   — Info    */
.ansi-33, .ansi-93 { color: #f9e2af; } /* yellow  — Warning/Notice */
.ansi-34, .ansi-94 { color: #89b4fa; } /* blue    */
.ansi-35, .ansi-95 { color: #cba6f7; } /* magenta */
.ansi-36, .ansi-96 { color: #94e2d5; } /* cyan    */
.ansi-37, .ansi-97 { color: #cdd6f4; } /* white   — Debug   */