:root {
  --bg: #0f1115;
  --bg-panel: #161923;
  --bg-input: #0b0d12;
  --border: #2a2e3a;
  --text: #e6e8ee;
  --text-dim: #9aa1b2;
  --accent: #ff8a3d;
  --accent-hover: #ff9d5c;
  --danger: #e5484d;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f8;
    --bg-panel: #ffffff;
    --bg-input: #f8f9fb;
    --border: #dde1ea;
    --text: #1a1d24;
    --text-dim: #565d6d;
    --accent: #d9601a;
    --accent-hover: #b94f13;
  }
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --bg-panel: #161923;
  --bg-input: #0b0d12;
  --border: #2a2e3a;
  --text: #e6e8ee;
  --text-dim: #9aa1b2;
  --accent: #ff8a3d;
  --accent-hover: #ff9d5c;
}

:root[data-theme="light"] {
  --bg: #f4f5f8;
  --bg-panel: #ffffff;
  --bg-input: #f8f9fb;
  --border: #dde1ea;
  --text: #1a1d24;
  --text-dim: #565d6d;
  --accent: #d9601a;
  --accent-hover: #b94f13;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.4;
}

.mono { font-family: var(--mono); }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}

.brand-mark {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.brand-sub {
  margin-left: 10px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.disclaimer {
  font-size: 0.8rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  font-size: 1rem;
  line-height: 1;
  padding: 6px 10px;
}

.layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
}

.panel h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 12px;
}

.tag {
  display: inline-block;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.8em;
}

textarea, input[type="text"], input[type="number"], select {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.9rem;
}

#rawRequest {
  min-height: 220px;
  resize: vertical;
}

#fBody {
  min-height: 100px;
  resize: vertical;
}

.output {
  min-height: 90px;
  resize: vertical;
}

.output-cmd {
  min-height: 70px;
}

.btn-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.btn {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.85rem;
}

.btn:hover { border-color: var(--accent); }

.btn.small {
  padding: 5px 10px;
  font-size: 0.78rem;
  white-space: nowrap;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1005;
  font-weight: 600;
}

.btn.primary:hover { background: var(--accent-hover); }

.btn.danger-outline {
  color: var(--danger);
  border-color: var(--danger);
}

.field-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.field-group #fMethod { width: 110px; }
.field-group #fScheme { width: 100px; }
.scheme-label { margin-left: 14px; }

label { font-size: 0.85rem; color: var(--text-dim); white-space: nowrap; }

.field-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.field-row label { width: 60px; flex-shrink: 0; }
.field-row.body-row { margin-bottom: 6px; }
.field-row.body-row label { width: auto; }

.grow { flex: 1; }

.headers-block { margin: 18px 0 6px; }

.headers-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.headers-list { display: flex; flex-direction: column; gap: 6px; }

.header-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-row input[type="checkbox"] { flex-shrink: 0; }
.header-row .hname { width: 180px; flex-shrink: 0; }
.header-row .hvalue { flex: 1; }
.header-row .btn.remove { color: var(--danger); }

.opt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}

legend {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 0 6px;
}

.chk {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 6px 0;
  color: var(--text);
  font-size: 0.85rem;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 8px 0;
  color: var(--text);
  font-size: 0.85rem;
}

.small-input { width: 130px; }

.tamper-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 4px;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.tab {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.88rem;
  border-bottom: 2px solid transparent;
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.foot {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.78rem;
  padding: 20px;
  border-top: 1px solid var(--border);
}

.foot a { color: var(--text-dim); }

@media (max-width: 640px) {
  .field-row { flex-wrap: wrap; }
  .field-row label { width: auto; }
  .header-row { flex-wrap: wrap; }
  .header-row .hname { width: 100%; }
}