:root {
  --bg-1: #f5efe3;
  --bg-2: #e2efe7;
  --panel: #fffdf8;
  --ink: #202225;
  --muted: #59606a;
  --accent: #0b8f7b;
  --accent-2: #f08b24;
  --danger: #b03a2e;
  --border: #d5d3c8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 15%, rgba(240, 139, 36, 0.2), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(11, 143, 123, 0.18), transparent 45%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
}

body[data-view="session"] {
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at 12% 10%, rgba(79, 140, 207, 0.08), transparent 34%),
    radial-gradient(circle at 88% 0%, rgba(31, 159, 85, 0.05), transparent 30%),
    linear-gradient(180deg, #eef2f7 0%, #e7edf5 100%);
  color: #1f2937;
}

body[data-mode="fixed"] {
  font-family: Arial, Helvetica, sans-serif;
}

body[data-view="session"] .app-shell {
  max-width: 1360px;
  padding: 12px;
}

body[data-view="session"] .panel {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid #cfd6df;
  border-radius: 6px;
  box-shadow: none;
}

body[data-view="session"] .stats {
  background: linear-gradient(180deg, #f8fafc 0%, #f2f6fb 100%);
}

body[data-view="session"] .choice {
  border: 1px solid #d2d8e0;
  border-radius: 6px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

body[data-view="session"] #questionStem {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-top: 4px;
  margin-bottom: 24px;
  font-weight: 400;
  white-space: pre-line;
}

body[data-view="session"] .graph-wrap {
  border: 1px solid #cfd6df;
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(244, 248, 253, 0.96) 100%),
    repeating-linear-gradient(
      to right,
      rgba(31, 95, 174, 0.03) 0px,
      rgba(31, 95, 174, 0.03) 1px,
      transparent 1px,
      transparent 52px
    );
}

body[data-view="session"] #progressGraph {
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
}

.app-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 14px;
}

.hero {
  background: linear-gradient(135deg, rgba(255, 253, 248, 0.95), rgba(255, 245, 228, 0.92));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
}

.hero h1 {
  margin: 4px 0 8px;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent);
  margin: 0;
  letter-spacing: 0.03em;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.hidden {
  display: none;
}

.compact-hidden {
  display: none;
}

.grid-two {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
}

input,
button {
  font: inherit;
}

input[type="number"],
input[type="file"] {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}

input:disabled {
  background: #ece8de;
  color: #7d7a73;
  cursor: not-allowed;
}

button {
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 600;
  cursor: pointer;
}

button.ghost {
  background: #e5f4f1;
  color: #0a6b5d;
}

button.danger {
  background: var(--danger);
}

.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
}

.mode-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
}

#questionStem {
  margin: 12px 0 10px;
  line-height: 1.4;
}

#choicesForm {
  display: grid;
  gap: 8px;
}

.choice {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.choice input {
  margin-top: 3px;
}

.choice-correct {
  background: linear-gradient(180deg, #ecf8f1 0%, #e3f4ea 100%);
  border-color: #9fd4b0;
}

.choice-selected-wrong {
  background: linear-gradient(180deg, #fef1f1 0%, #fbe5e5 100%);
  border-color: #efb0b0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.metrics-grid div {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 4px;
}

body[data-view="session"] .metrics-grid div {
  border: 1px solid #d5dce5;
  background: linear-gradient(180deg, #ffffff 0%, #f5f8fc 100%);
}

.metrics-grid span {
  color: var(--muted);
  font-size: 0.85rem;
}

.metrics-grid strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
}

.small-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.domain-target-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.domain-target-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 4px;
}

.domain-selector-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.domain-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.domain-selector-item:has(.domain-checkbox:disabled) {
  background: #f4f1ea;
  color: #7d7a73;
}

.domain-target-item .target-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.9rem;
}

.domain-target-item .target-bar {
  height: 8px;
  border-radius: 999px;
  background: #ece7dd;
  overflow: hidden;
}

.domain-target-item .target-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0%;
  transition: width 0.25s ease;
}

.domain-pool-stats {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
  display: block;
}

.graph-wrap {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
}

.graph-wrap h4 {
  margin: 4px 4px 8px;
}

.timing-side {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.timing-side div {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 4px;
}

body[data-view="session"] .timing-side div {
  border: 1px solid #d5dce5;
  background: linear-gradient(180deg, #ffffff 0%, #f5f8fc 100%);
}

.timing-side span {
  color: var(--muted);
  font-size: 0.85rem;
}

.timing-side strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
}

.switch-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.switch-toggle input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.switch-slider {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: #c7ced8;
  transition: background 0.2s ease;
}

.switch-slider::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  transition: transform 0.2s ease;
}

.switch-toggle input:checked + .switch-slider {
  background: #4f8ccf;
}

.switch-toggle input:checked + .switch-slider::after {
  transform: translateX(18px);
}

.domain-strength-chart {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.domain-strength-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}

.domain-strength-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.domain-strength-bar {
  height: 10px;
  border-radius: 999px;
  background: #ece7dd;
  overflow: hidden;
}

.domain-strength-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.outcome {
  margin: 8px 0 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-weight: 700;
}

.outcome.pass {
  background: linear-gradient(180deg, #eaf7ee 0%, #dff2e5 100%);
  color: #14532d;
  border: 1px solid #9fd4b0;
}

.outcome.fail {
  background: linear-gradient(180deg, #fdeeee 0%, #fbe3e3 100%);
  color: #7f1d1d;
  border: 1px solid #efb0b0;
}

.explanation-review {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 10px;
}

.filter-btn {
  border: 1px solid #c9d3df;
  background: #f8fbff;
  color: #234;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.filter-btn.active {
  background: linear-gradient(180deg, #4f8ccf 0%, #2f6ea8 100%);
  color: #fff;
  border-color: #2f6ea8;
}

.explain-card {
  border: 1px solid #d3d9e2;
  border-radius: 10px;
  padding: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.explain-card h4 {
  margin: 0 0 6px;
}

.explain-card p {
  margin: 0 0 8px;
}

.explain-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.explain-choice {
  border: 1px solid #d7dde6;
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  background: #ffffff;
}

.explain-choice em {
  font-style: normal;
  font-size: 0.8rem;
  color: #475569;
}

.explain-correct {
  background: linear-gradient(180deg, #ecf8f1 0%, #e3f4ea 100%);
  border-color: #9fd4b0;
}

.explain-selected-wrong {
  background: linear-gradient(180deg, #fef1f1 0%, #fbe5e5 100%);
  border-color: #efb0b0;
}

.source-block {
  margin-top: 8px;
  border-top: 1px solid #d7dde6;
  padding-top: 8px;
}

.source-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
}

.source-list li {
  font-size: 0.84rem;
}

.source-list a {
  color: #1f5fae;
}

#progressGraph {
  width: 100%;
  height: 180px;
  display: block;
  background: #fffcf4;
  border-radius: 8px;
}

#reviewText {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: #fff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
}

.table-wrap {
  margin-top: 10px;
  overflow: auto;
}

#reviewTable {
  width: 100%;
  border-collapse: collapse;
}

#reviewTable th,
#reviewTable td {
  border: 1px solid var(--border);
  padding: 7px 8px;
  text-align: left;
  font-size: 0.86rem;
}

#reviewTable th {
  background: #f3efe4;
}

@media (max-width: 760px) {
  .grid-two,
  .metrics-grid,
  .domain-target-grid,
  .timing-side {
    grid-template-columns: 1fr;
  }
}

/* ── PBQ: shared hint bar ──────────────────────────────── */
.pbq-hint {
  margin: 0 0 10px;
  padding: 8px 12px;
  background: linear-gradient(90deg, #eef4fb, #e8f0fa);
  border: 1px solid #c5d5e8;
  border-radius: 8px;
  font-size: 0.88rem;
  color: #2c4a72;
  font-weight: 600;
}

/* ── PBQ: drag-drop chip grid ─────────────────────────── */
.dragdrop-chip {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  cursor: pointer;
  font-size: 0.95rem;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  user-select: none;
}

.dragdrop-chip:hover {
  border-color: #4f8ccf;
  background: linear-gradient(180deg, #f0f6ff 0%, #e8f1fc 100%);
}

.dragdrop-chip.dragdrop-selected {
  border-color: #4f8ccf;
  background: linear-gradient(180deg, #dceeff 0%, #c8e0f8 100%);
  font-weight: 600;
}

/* Feedback states */
.dragdrop-chip.dragdrop-correct {
  border-color: #9fd4b0;
  background: linear-gradient(180deg, #ecf8f1 0%, #e3f4ea 100%);
}

.dragdrop-chip.dragdrop-wrong {
  border-color: #efb0b0;
  background: linear-gradient(180deg, #fef1f1 0%, #fbe5e5 100%);
}

.dragdrop-chip.dragdrop-missed {
  border-color: #f0c96e;
  background: linear-gradient(180deg, #fdf7e5 0%, #faf0cc 100%);
  outline: 2px dashed #c8982a;
}

/* ── PBQ: ordering list ───────────────────────────────── */
.ordering-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.ordering-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  cursor: default;
}

.ordering-text {
  flex: 1;
  font-size: 0.95rem;
}

.ordering-btns {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.order-btn {
  background: #e8eef6;
  color: #2c4a72;
  border: 1px solid #c5d5e8;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  min-width: 32px;
}

.order-btn:hover:not(:disabled) {
  background: #d0e2f4;
}

.order-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Feedback states */
.ordering-item.ordering-correct {
  border-color: #9fd4b0;
  background: linear-gradient(180deg, #ecf8f1 0%, #e3f4ea 100%);
}

.ordering-item.ordering-wrong {
  border-color: #efb0b0;
  background: linear-gradient(180deg, #fef1f1 0%, #fbe5e5 100%);
}

/* ── PBQ: review card — missed selection ──────────────── */
.explain-missed {
  border-color: #f0c96e;
  background: linear-gradient(180deg, #fdf7e5 0%, #faf0cc 100%);
}

/* ── ADCM — Aggressive Domain Ceiling Mode ── */
.adcm-launch-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.adcm-launch-section strong {
  font-size: 0.95em;
  color: var(--ink);
}

.adcm-launch-section p {
  color: var(--muted);
  font-size: 0.88em;
  margin: 4px 0 10px;
}

.adcm-launch-btn {
  display: inline-block;
  background: linear-gradient(135deg, #b45309, #d97706);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.9em;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: opacity 0.15s;
}

.adcm-launch-btn:hover {
  opacity: 0.88;
}

.adcm-results-section {
  border: 2px solid var(--accent-2);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 18px;
  background: rgba(240, 139, 36, 0.04);
}

.adcm-subtitle {
  color: var(--muted);
  font-style: italic;
  margin: 4px 0 14px;
}

.adcm-table-wrap {
  overflow-x: auto;
  margin: 14px 0;
}

.adcm-results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88em;
}

.adcm-results-table th,
.adcm-results-table td {
  text-align: left;
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
}

.adcm-results-table th {
  background: rgba(11, 143, 123, 0.08);
  font-weight: 600;
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.adcm-row-weak {
  background: rgba(176, 58, 46, 0.06);
}

.adcm-row-weak .adcm-acc {
  color: var(--danger);
}

.adcm-row-strong {
  background: rgba(31, 157, 85, 0.06);
}

.adcm-row-strong .adcm-acc {
  color: #1a7a3c;
}

.adcm-acc {
  font-weight: 700;
  font-family: "IBM Plex Mono", monospace;
}

.adcm-priority {
  margin: 18px 0;
}

.adcm-focus-list {
  padding-left: 22px;
  margin: 8px 0 0;
}

.adcm-focus-list li {
  margin-bottom: 14px;
  line-height: 1.5;
}

.adcm-acc-badge {
  display: inline-block;
  font-size: 0.78em;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 8px;
  font-family: "IBM Plex Mono", monospace;
  vertical-align: middle;
}

.adcm-acc-low {
  background: rgba(176, 58, 46, 0.12);
  color: var(--danger);
}

.adcm-acc-mid {
  background: rgba(240, 139, 36, 0.15);
  color: #a05c00;
}

.adcm-acc-high {
  background: rgba(31, 157, 85, 0.12);
  color: #1a7a3c;
}

.adcm-next {
  color: var(--muted);
  margin-top: 2px;
  font-style: italic;
}

.adcm-rec {
  border-left: 3px solid var(--accent-2);
  padding-left: 14px;
  margin-top: 18px;
}

.adcm-rec h4 {
  margin: 0 0 6px;
  font-size: 0.95em;
}

.outcome.adcm-complete {
  background: linear-gradient(90deg, rgba(240, 139, 36, 0.12), rgba(11, 143, 123, 0.08));
  border: 1px solid var(--accent-2);
  color: var(--ink);
  padding: 10px 16px;
  border-radius: 6px;
  font-weight: 600;
}