:root {
  --frrs-bg: #f8fafc;
  --frrs-surface: #ffffff;
  --frrs-card: #ffffff;
  --frrs-border: #e2e8f0;
  --frrs-border-focus: var(--tf-accent);
  --frrs-text: #0f172a;
  --frrs-muted: #64748b;
  --frrs-code-bg: #f1f5f9;
  --frrs-radius: 2px;
}

.frrs-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.frrs-main {
  padding: 16px 0 60px;
}

/* Card */
.frrs-card {
  background: var(--frrs-card);
  border: 1px solid var(--frrs-border);
  border-radius: var(--frrs-radius);
  padding: 24px;
  margin-bottom: 24px;
}

.frrs-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 16px;
}

@media (max-width: 680px) {
  .frrs-top-grid {
    grid-template-columns: 1fr;
  }
}

.frrs-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.frrs-sec-title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--frrs-text);
  margin: 0;
}

.frrs-tip-pill {
  background: var(--frrs-code-bg);
  color: var(--frrs-muted);
  padding: 4px 10px;
  border-radius: 2px;
  font-size: 0.75rem;
  font-weight: 600;
}

.frrs-lbl {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--frrs-text);
  margin-bottom: 4px;
}

.frrs-input {
  width: 100%;
  box-sizing: border-box;
  background: var(--frrs-surface);
  border: 1px solid var(--frrs-border);
  color: var(--frrs-text);
  padding: 8px 12px;
  border-radius: 2px;
  font-size: 0.9375rem;
  font-family: inherit;
}

.frrs-input:focus {
  outline: 2px solid var(--tf-accent);
  border-color: var(--tf-accent);
}

/* Room Items */
.frrs-rooms-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.frrs-room-row {
  background: var(--frrs-code-bg);
  border: 1px solid var(--frrs-border);
  border-radius: 2px;
  padding: 16px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 12px;
  align-items: center;
}

@media (max-width: 780px) {
  .frrs-room-row {
    grid-template-columns: 1fr 1fr;
  }
}

.frrs-chk-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
}

.frrs-btn-primary {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--tf-accent);
  color: var(--tf-accent-ink, #ffffff);
  border: none;
  padding: 12px;
  border-radius: 2px;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

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

/* Results Cards */
.frrs-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.frrs-res-card {
  background: var(--frrs-surface);
  border: 1px solid var(--frrs-border);
  border-radius: 2px;
  padding: 18px;
  text-align: center;
  position: relative;
}

.frrs-res-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--frrs-text);
  margin: 0 0 8px;
}

.frrs-res-val {
  font-size: 2rem;
  font-weight: 900;
  color: var(--tf-accent);
  font-family: ui-monospace, monospace;
  margin-bottom: 4px;
}

.frrs-res-sub {
  font-size: 0.75rem;
  color: var(--frrs-muted);
}

.frrs-res-tags {
  display: flex;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.frrs-tag {
  background: var(--frrs-code-bg);
  border: 1px solid var(--frrs-border);
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--frrs-muted);
}

.frrs-audit-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--frrs-code-bg);
  border: 1px solid var(--frrs-border);
  border-radius: 2px;
  padding: 12px 16px;
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 10px;
}

.frrs-audit-badge.ok {
  background: rgba(27, 67, 50, 0.1);
  color: #1b4332;
  border: 1px solid rgba(27, 67, 50, 0.2);
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 700;
}

.frrs-cur-sym {
  color: var(--frrs-muted);
}

.frrs-ad-container {
  margin-block: 2rem;
  min-height: 280px;
  border: 1px dashed var(--frrs-border);
  border-radius: var(--frrs-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 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"] {
  --frrs-bg: var(--tf-surface);
  --frrs-surface: var(--tf-surface);
  --frrs-card: var(--tf-surface);
  --frrs-border: var(--tf-surface);
  --frrs-text: var(--tf-ink);
  --frrs-muted: var(--tf-ink-faint);
  --frrs-code-bg: var(--tf-surface);
}