/* tramito-layout demo — dark developer-tool theme, no webfonts (system stack only). */

:root {
  --bg: #0b0e14;
  --panel: #12161f;
  --panel-2: #171d29;
  --border: #232b3c;
  --text: #dde4f2;
  --muted: #8f9ab3;
  --accent: #f5a524;
  --accent-ink: #241a05;
  --ok: #3ddc97;
  --err: #ff6b6b;
  --warn: #fbbf24;
  --info: #7aa2f7;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100dvh;
  overflow: hidden;
}

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

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
}
.brand:hover { text-decoration: none; }

.logo { width: 34px; height: 34px; flex: none; }

.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 16px; letter-spacing: 0.2px; }
.brand-text small { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.topnav { display: flex; gap: 4px; flex: none; }
.topnav a {
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13px;
}
.topnav a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }

/* ---------- panes ---------- */

.panes {
  display: grid;
  grid-template-columns: minmax(340px, 34%) 1fr;
  gap: 14px;
  padding: 14px 20px;
  min-height: 0;
}

.pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.pane-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}

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

.select {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: 12.5px;
}
.select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- buttons & tabs ---------- */

.btn {
  appearance: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  font-family: var(--sans);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); color: var(--accent-ink); }

.tabs { display: flex; gap: 2px; flex: 1; }

.tab {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); background: var(--bg); }

/* ---------- editor ---------- */

#source {
  flex: 1;
  min-height: 0;
  resize: none;
  border: none;
  outline: none;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  tab-size: 2;
  padding: 12px 14px;
  white-space: pre;
}

.statusline {
  padding: 7px 14px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.statusline[data-kind='ok'] { color: var(--ok); }
.statusline[data-kind='error'] { color: var(--err); }
.statusline[data-kind='busy'] { color: var(--warn); }

/* ---------- diagram / xml ---------- */

.result-pane { position: relative; }

.canvas-card {
  flex: 1;
  min-height: 0;
  margin: 12px;
  background: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.35);
}

#canvas { width: 100%; height: 100%; }
#canvas .djs-container { background: transparent; }

.canvas-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #64748b;
  font-size: 13px;
  pointer-events: none;
}

.xml-view {
  flex: 1;
  min-height: 0;
  margin: 12px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  color: #b6c2d9;
  white-space: pre;
}

/* ---------- diagnostics ---------- */

.diagnostics {
  max-height: 220px;
  overflow: auto;
  border-top: 1px solid var(--border);
  background: var(--panel-2);
  padding: 10px 12px;
  font-size: 12.5px;
}

.diag-ok { color: var(--ok); font-family: var(--mono); font-size: 12px; }

.diag-head { color: var(--muted); font-family: var(--mono); font-size: 12px; margin-bottom: 6px; }

.issue {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  flex-wrap: wrap;
}

.chip {
  flex: none;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 1px 7px;
  border-radius: 99px;
}
.chip.err { color: var(--err); background: rgb(255 107 107 / 0.12); }
.chip.warn { color: var(--warn); background: rgb(251 191 36 / 0.12); }
.chip.info { color: var(--info); background: rgb(122 162 247 / 0.12); }

.issue-code { font-family: var(--mono); font-size: 12px; color: var(--info); }
.issue-id { color: var(--muted); }
.issue-msg { color: var(--text); }
.issue-hint { flex-basis: 100%; color: var(--muted); padding-left: 46px; }

.ice {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid rgb(255 107 107 / 0.4);
  background: rgb(255 107 107 / 0.08);
  border-radius: 10px;
  padding: 12px;
}
.ice-title { color: var(--err); font-weight: 600; }
.ice-meta { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.ice-msg { font-family: var(--mono); font-size: 12px; color: var(--text); white-space: pre-wrap; }
.ice .btn { align-self: flex-start; margin-top: 4px; }

.timings {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.t-cell {
  display: flex;
  gap: 6px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11.5px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 3px 8px;
}
.t-cell span { color: var(--muted); }
.t-cell b { color: var(--text); font-weight: 600; }

/* ---------- footer ---------- */

.foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 20px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
}
.foot a { color: var(--muted); }
.foot a:hover { color: var(--accent); }

/* ---------- scrollbars ---------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2a3448; border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #38445e; }
::-webkit-scrollbar-corner, ::-webkit-scrollbar-track { background: transparent; }

/* ---------- responsive ---------- */

@media (max-width: 920px) {
  body { overflow: auto; height: auto; }
  .panes { grid-template-columns: 1fr; }
  .editor-pane { height: 46vh; }
  .canvas-card, .xml-view { min-height: 52vh; }
  .brand-text small { white-space: normal; }
}