:root {
  --bg: #f6f5f3;
  --panel: #ffffff;
  --panel-2: #f1efec;
  --border: #e2ded8;
  --text: #1f1d1a;
  --muted: #6f6a63;
  --accent: #c2410c;
  --accent-text: #ffffff;
  --accent-soft: #fdeee6;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --warn: #8a5a00;
  --warn-soft: #fff4dc;
  --focus: #2563eb;
  --tok-kw: #a626a4;
  --tok-type: #0f6cbd;
  --tok-prim: #b35900;
  --tok-str: #2f7d32;
  --tok-attr: #7c6f64;
  --tok-comment: #8b8580;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141312;
    --panel: #1c1b19;
    --panel-2: #24221f;
    --border: #34312d;
    --text: #ebe7e1;
    --muted: #9b958c;
    --accent: #f97316;
    --accent-text: #1a0d05;
    --accent-soft: #3a2316;
    --danger: #f97066;
    --danger-soft: #3b1a17;
    --warn: #f5c451;
    --warn-soft: #352a12;
    --focus: #60a5fa;
    --tok-kw: #d19ad1;
    --tok-type: #6cb6ff;
    --tok-prim: #f0a35e;
    --tok-str: #8fd18f;
    --tok-attr: #a8a097;
    --tok-comment: #7d776f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--sans);
}

button, .button {
  font: inherit;
  font-size: 13px;
  padding: 5px 11px;
  border-radius: 7px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}
button.ghost, .button.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
button:hover { filter: brightness(1.06); }
button.ghost:hover, .button.ghost:hover { background: var(--panel-2); filter: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }

.muted { color: var(--muted); }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.brand h1 { font-size: 17px; margin: 0; letter-spacing: -0.01em; }
.logo {
  align-self: center;
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--accent);
  color: var(--accent-text);
  font: 700 13px var(--mono);
}
.tagline { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

/* Layout */
.layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 12px;
  padding: 12px 16px;
}
.layout.options-hidden { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.layout.options-hidden .options { display: none; }

.panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 8px 7px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
  min-height: 44px;
  flex-wrap: wrap;
}
.panel-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.label { font-weight: 600; font-size: 13px; }

/* Options */
.options form { overflow: auto; padding: 4px 14px 10px; flex: 1; }
.options fieldset { border: 0; padding: 0; margin: 12px 0 4px; }
.options legend {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0;
  margin-bottom: 6px;
}
.field { display: flex; flex-direction: column; gap: 3px; margin-bottom: 9px; }
.field > span { font-size: 12.5px; color: var(--muted); }
.field input[type="text"], .field input[type="number"], .field select, .field textarea {
  font: 13px var(--mono);
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 7px;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 52px; }
.check { display: flex; align-items: center; gap: 8px; margin: 5px 0; font-size: 13px; cursor: pointer; }
.check input { accent-color: var(--accent); margin: 0; }
.options-footer {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  background: var(--panel-2);
}
.options-footer #copy-config { flex: 1; justify-content: center; }

/* Editor */
.editor { position: relative; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.tab {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 13px;
}
.tab button { border: 0; background: transparent; color: var(--muted); padding: 4px 8px; }
.tab button:hover { background: transparent; color: var(--text); filter: none; }
.tab .close { padding: 4px 6px 4px 0; font-size: 15px; line-height: 1; }
.tab[aria-selected="true"] { background: var(--panel); border-color: var(--border); }
.tab[aria-selected="true"] button { color: var(--text); }
.tab.has-error button:first-child { color: var(--danger); }
.tab-add { border: 1px dashed var(--border); background: transparent; color: var(--muted); padding: 3px 9px; }
.tab-add:hover { color: var(--text); background: var(--panel); filter: none; }

#input {
  flex: 1;
  width: 100%;
  border: 0;
  resize: none;
  padding: 12px 14px;
  background: var(--panel);
  color: var(--text);
  font: 13px/1.55 var(--mono);
  tab-size: 2;
  outline: none;
}
.drop-hint {
  position: absolute;
  inset: 44px 0 0;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--accent-soft) 88%, transparent);
  border: 2px dashed var(--accent);
  border-radius: 0 0 10px 10px;
  color: var(--text);
  font-weight: 600;
  pointer-events: none;
}

/* Output */
.output-title { display: flex; align-items: center; gap: 8px; min-width: 0; }
.badge {
  font: 12px var(--mono);
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.status { padding: 8px 12px; font-size: 13px; border-bottom: 1px solid var(--border); }
.status.error { background: var(--danger-soft); color: var(--danger); }
.status.warn { background: var(--warn-soft); color: var(--warn); }
.status ul { margin: 0; padding-left: 18px; }
.status a { color: inherit; font-weight: 600; }
.code {
  flex: 1;
  margin: 0;
  overflow: auto;
  padding: 12px 14px;
  font: 13px/1.55 var(--mono);
  tab-size: 4;
}
.code.stale { opacity: 0.45; }
.tok-kw { color: var(--tok-kw); }
.tok-type { color: var(--tok-type); }
.tok-prim { color: var(--tok-prim); }
.tok-str { color: var(--tok-str); }
.tok-attr { color: var(--tok-attr); }
.tok-comment { color: var(--tok-comment); font-style: italic; }

.footer { text-align: center; font-size: 12px; padding: 0 16px 12px; }
.footer code { font-family: var(--mono); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 6px 20px rgb(0 0 0 / 0.18);
}

/* Narrow screens: stack everything and let the page scroll. */
@media (max-width: 960px) {
  body { height: auto; }
  .layout, .layout.options-hidden { grid-template-columns: minmax(0, 1fr); }
  .options form { max-height: 55vh; }
  .editor { height: 55vh; }
  .output { min-height: 55vh; }
  .tagline { display: none; }
}
@media (max-width: 960px) { .options { order: 3; } }