:root {
  --bg: #f6f1e7;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-2: rgba(255, 255, 255, 0.62);
  --text: #2a2018;
  --muted: #756150;
  --line: rgba(90, 64, 42, 0.2);
  --primary: #f38a2f;
  --primary-deep: #cf5b00;
  --secondary: #2f4f5a;
  --secondary-deep: #1d363f;
  --danger: #c0392b;
  --amber: #b8860b;
  --shadow: 0 14px 36px rgba(72, 43, 19, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Noto Sans SC", "LXGW WenKai Screen", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 8% 12%, rgba(243, 138, 47, 0.2), transparent 32%),
    radial-gradient(circle at 88% 8%, rgba(76, 134, 148, 0.16), transparent 26%),
    linear-gradient(145deg, #fff8ef 0%, #f6f1e7 58%, #efe8db 100%);
}

.topbar {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 10px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(26px, 4vw, 36px);
  letter-spacing: 0.02em;
}

.layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 8px 18px 28px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  backdrop-filter: blur(9px);
  box-shadow: var(--shadow);
  padding: 16px;
}

.quick-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-btn {
  border: 1px solid rgba(79, 54, 35, 0.23);
  border-radius: 10px;
  padding: 8px 11px;
  font: inherit;
  background: linear-gradient(140deg, #fff7ef, #f4ebde);
  color: #322318;
  cursor: pointer;
}

.quick-btn:hover {
  border-color: rgba(242, 122, 23, 0.65);
}

.quick-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  filter: grayscale(0.2);
}

.input-row {
  margin-top: 10px;
}

input, select {
  width: 100%;
  border: 1px solid rgba(97, 66, 41, 0.24);
  border-radius: 10px;
  padding: 11px;
  font: inherit;
  background: var(--surface-2);
}

.options-row {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.opt-group {
  display: grid;
  gap: 4px;
}

.opt-group label {
  color: var(--muted);
  font-size: 13px;
}

.action-row {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 9px 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
}

.btn-accent {
  color: #fff;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-deep));
}

.btn-ghost {
  color: #493221;
  border: 1px solid rgba(86, 59, 35, 0.3);
  background: rgba(255, 255, 255, 0.52);
}

.result-block + .result-block {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(85, 60, 35, 0.24);
}

.result-block h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.result-text { margin: 0; }

.code-display {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  color: var(--secondary);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  color: #ffdbb5;
  background: rgba(34, 25, 17, 0.92);
  border: 1px solid rgba(255, 180, 113, 0.24);
}

.tag-ambiguous {
  border-color: rgba(255, 200, 50, 0.5);
}

.tag-error {
  border-color: rgba(200, 60, 40, 0.5);
  color: #ffbbaa;
}

.tag-note {
  background: rgba(50, 45, 35, 0.7);
  color: #ddd0b0;
  border-color: rgba(200, 170, 80, 0.3);
  font-size: 12px;
}

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

.hidden { display: none; }

.warnings {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(200, 60, 40, 0.3);
}

.warning-item {
  font-size: 13px;
  color: var(--danger);
  padding: 4px 0;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .options-row {
    grid-template-columns: 1fr 1fr;
  }
}