:root {
  --fsdt-primary: #0284c7;
  --fsdt-primary-hover: #0369a1;
  --fsdt-bg-card: #ffffff;
  --fsdt-border: #e2e8f0;
  --fsdt-text: #1e293b;
  --fsdt-muted: #64748b;
  --fsdt-success: #16a34a;
  --fsdt-hero-bg: #f0fdf4;
  --fsdt-hero-border: #bbf7d0;
  --fsdt-hero-text: #15803d;
}

.fsdt-main {
  padding: 1.5rem 1rem 3rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  color: var(--fsdt-text);
  font-family: inherit;
}

.fsdt-wrap {
  width: 100%;
}

.fsdt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 992px) {
  .fsdt-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.fsdt-card {
  background: var(--fsdt-bg-card);
  border: 1px solid var(--fsdt-border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.fsdt-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.fsdt-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--fsdt-text);
}

.fsdt-sub-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: var(--fsdt-text);
}

.fsdt-head-btns {
  display: flex;
  gap: 0.5rem;
}

.fsdt-form-group {
  margin-bottom: 1.25rem;
}

.fsdt-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--fsdt-text);
}

.fsdt-input-unit-group {
  display: flex;
  gap: 0.5rem;
}

.fsdt-input,
.fsdt-select,
.fsdt-select-sm {
  box-sizing: border-box;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--fsdt-border);
  border-radius: 6px;
  background: transparent;
  color: var(--fsdt-text);
  font-family: inherit;
  font-size: 0.95rem;
}

.fsdt-input {
  flex: 1;
}

.fsdt-select {
  width: 100%;
}

.fsdt-select-sm {
  min-width: 150px;
}

.fsdt-input:focus,
.fsdt-select:focus,
.fsdt-select-sm:focus {
  outline: none;
  border-color: var(--fsdt-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.fsdt-speed-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.fsdt-preset-btn {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--fsdt-border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fsdt-text);
  cursor: pointer;
  transition: background 0.15s;
}

.fsdt-preset-btn:hover {
  background: var(--fsdt-border);
}

.fsdt-hint {
  font-size: 0.8rem;
  color: var(--fsdt-muted);
  margin: 0.4rem 0 0 0;
  line-height: 1.4;
}

/* Hero Box */
.fsdt-hero-box {
  background: var(--fsdt-hero-bg);
  border: 1px solid var(--fsdt-hero-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
}

.fsdt-hero-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--fsdt-muted);
  margin-bottom: 0.25rem;
}

.fsdt-hero-time {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--fsdt-hero-text);
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  margin-bottom: 0.35rem;
}

.fsdt-hero-sub {
  font-size: 0.85rem;
  color: var(--fsdt-text);
  font-weight: 500;
}

/* Benchmark Table */
.fsdt-table-wrap {
  margin-bottom: 1.25rem;
  overflow-x: auto;
}

.fsdt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.fsdt-table th,
.fsdt-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--fsdt-border);
}

.fsdt-table th {
  background: rgba(0, 0, 0, 0.02);
  color: var(--fsdt-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Actions */
.fsdt-btn-ghost {
  background: transparent;
  color: var(--fsdt-text);
  border: 1px solid var(--fsdt-border);
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.fsdt-btn-ghost:hover {
  background: var(--fsdt-border);
}

.fsdt-btn-action {
  background: var(--fsdt-primary);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
}

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

.fsdt-action-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.fsdt-status-msg {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fsdt-success);
}
/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --fsdt-primary: #81bcda;
  --fsdt-primary-hover: #69aed4;
  --fsdt-bg-card: var(--tf-surface);
  --fsdt-border: var(--tf-surface);
  --fsdt-text: var(--tf-ink);
  --fsdt-muted: var(--tf-ink-faint);
  --fsdt-success: #7ad89d;
  --fsdt-hero-bg: var(--tf-surface);
  --fsdt-hero-border: #81daa0;
  --fsdt-hero-text: #5ed089;
}