:root {
  --tf-accent: #2c3e6b;
  --tf-accent-hover: #212f52;
  --tf-accent-wash: #edf1f8;
  --tf-accent-soft: #c4d1e8;
  --gcgp-surface: var(--tf-surface, #ffffff);
  --gcgp-line: var(--tf-rule, #ddd8d0);
  --gcgp-text: var(--tf-ink, #12100e);
  --gcgp-muted: var(--tf-ink-soft, #5c574f);
}

.gcgp-main {
  max-width: 46rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.gcgp-wrap {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Panel Containers */
.gcgp-panel {
  background: var(--gcgp-surface);
  border: 1px solid var(--gcgp-line);
  border-radius: 2px;
  padding: 1.25rem 1.5rem;
  box-shadow: none;
}

.gcgp-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.gcgp-mode-tab {
  background: var(--gcgp-surface);
  border: 1px solid var(--gcgp-line);
  border-radius: 2px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gcgp-text);
  cursor: pointer;
}

.gcgp-mode-tab:hover {
  background: var(--tf-accent-wash);
  border-color: var(--tf-accent);
}

.gcgp-mode-tab.active {
  background: var(--tf-accent);
  color: #ffffff;
  border-color: var(--tf-accent);
}

.gcgp-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 1rem;
}

.gcgp-presets-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--gcgp-muted);
}

.gcgp-preset-btn {
  background: var(--tf-accent-wash);
  color: var(--tf-accent);
  border: 1px solid var(--tf-accent-soft);
  border-radius: 2px;
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  cursor: pointer;
}

.gcgp-preset-btn:hover {
  background: var(--tf-accent);
  color: #ffffff;
}

.gcgp-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.gcgp-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gcgp-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gcgp-muted);
}

.gcgp-field input,
.gcgp-field select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  color: var(--gcgp-text);
  background: var(--gcgp-surface);
  border: 1px solid var(--gcgp-line);
  border-radius: 2px;
  outline: none;
}

.gcgp-field input:focus,
.gcgp-field select:focus {
  border-color: var(--tf-accent);
  outline: 1px solid var(--tf-accent);
}

/* Dynamic Course Rows for GPA */
.gcgp-courses-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.gcgp-courses-table th,
.gcgp-courses-table td {
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--gcgp-line);
  text-align: left;
  font-size: 0.875rem;
}

.gcgp-courses-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--gcgp-muted);
  font-weight: 600;
}

.gcgp-course-name,
.gcgp-course-credits,
.gcgp-course-grade {
  width: 100%;
  padding: 0.4rem 0.5rem;
  font-size: 0.85rem;
  color: var(--gcgp-text);
  background: var(--gcgp-surface);
  border: 1px solid var(--gcgp-line);
  border-radius: 2px;
  box-sizing: border-box;
}

.gcgp-course-name:focus,
.gcgp-course-credits:focus,
.gcgp-course-grade:focus {
  border-color: var(--tf-accent);
  outline: 1px solid var(--tf-accent);
}

.gcgp-add-btn {
  background: var(--tf-accent-wash);
  color: var(--tf-accent);
  border: 1px solid var(--tf-accent-soft);
  border-radius: 2px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 1rem;
}

.gcgp-add-btn:hover {
  background: var(--tf-accent);
  color: #ffffff;
}

.gcgp-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.gcgp-btn-primary {
  background: var(--tf-accent);
  color: #ffffff;
  border: 1px solid var(--tf-accent);
  border-radius: 2px;
  padding: 0.65rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

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

.gcgp-btn-secondary {
  background: transparent;
  color: var(--gcgp-text);
  border: 1px solid var(--gcgp-line);
  border-radius: 2px;
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
}

.gcgp-btn-secondary:hover {
  background: var(--tf-accent-wash);
}

/* Results section */
.gcgp-results {
  background: var(--gcgp-surface);
  border: 1px solid var(--gcgp-line);
  border-radius: 2px;
  padding: 1.5rem;
}

.gcgp-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.gcgp-kpi {
  background: var(--tf-accent-wash);
  border: 1px solid var(--tf-accent-soft);
  border-radius: 2px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.gcgp-kpi-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--gcgp-muted);
}

.gcgp-kpi-val {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--tf-accent);
  font-family: var(--tf-font-mono, monospace);
  font-variant-numeric: tabular-nums;
}

.gcgp-kpi-sub {
  font-size: 0.8rem;
  color: var(--gcgp-muted);
}

.gcgp-summary-banner {
  border-left: 3px solid var(--tf-accent);
  background: var(--tf-accent-wash);
  padding: 0.85rem 1rem;
  border-radius: 0 2px 2px 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--gcgp-text);
  margin-bottom: 1rem;
}

/* Threshold Table */
.gcgp-target-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.gcgp-target-table th,
.gcgp-target-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--gcgp-line);
  text-align: left;
  font-variant-numeric: tabular-nums;
}

.gcgp-target-table th {
  background: var(--tf-accent-wash);
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--gcgp-text);
}

/* 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"] {
  --tf-accent: #6d86c3;
  --tf-accent-hover: var(--tf-ink);
  --tf-accent-wash: var(--tf-surface);
  --tf-accent-soft: #8aa3d1;
}