:root {
  --blue-900: #162d4d;
  --blue-700: #214b7f;
  --blue-500: #2f6cb4;
  --orange-500: #e27b0d;
  --ink-900: #152033;
  --ink-700: #4f5f76;
  --line: #d7e2f0;
  --bg: #f4f7fd;
  --panel: #ffffff;
  --good: #0f9a6c;
  --warn: #d18a02;
  --bad: #b42318;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--ink-900);
  background:
    radial-gradient(circle at 0 0, rgba(47, 108, 180, 0.18), transparent 40%),
    radial-gradient(circle at 100% 0, rgba(226, 123, 13, 0.18), transparent 36%),
    var(--bg);
}

body.high-contrast {
  --blue-900: #0b0d10;
  --blue-700: #111827;
  --blue-500: #1d4ed8;
  --ink-900: #000000;
  --ink-700: #111111;
  --line: #0f172a;
  --panel: #ffffff;
  --bg: #ffffff;
}

.gre-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 16px 58px;
}

.brand-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(130deg, #ffffff 0%, #eff5ff 58%, #fff7ec 100%);
  padding: 14px;
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.08);
}

.brand-logo {
  border: 1px solid #d4e1f7;
  border-radius: 10px;
  padding: 8px;
  background: #fff;
}

.brand-logo img {
  width: 150px;
  display: block;
}

.brand-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  font-weight: 800;
  color: var(--blue-500);
}

.brand-copy h1 {
  margin: 2px 0 6px;
  font-size: clamp(1.25rem, 2.2vw, 1.9rem);
  color: var(--blue-900);
}

.brand-sub {
  margin: 0;
  color: var(--ink-700);
  font-size: 0.9rem;
}

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

.brand-link {
  background: var(--blue-900);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 14px;
}

.gre-note {
  margin-top: 12px;
  background: #f4f8ff;
  border: 1px solid #d6e2f5;
  border-radius: 12px;
  display: flex;
  gap: 8px;
  align-items: start;
  padding: 10px 12px;
}

.panel {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 18px;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
}

.hidden { display: none !important; }

.intro-panel h2 { margin-top: 0; color: var(--blue-900); }

.intro-subline {
  margin: 0 0 12px;
  color: var(--ink-700);
  font-size: 0.95rem;
}

.intro-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #d3e1f5;
  border-radius: 11px;
  padding: 10px;
  background: linear-gradient(135deg, #f8fbff 0%, #fffaf1 100%);
  font-size: 0.86rem;
  font-weight: 700;
  color: #214b7f;
}

.pillar i {
  font-size: 1rem;
  color: var(--blue-500);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
}

.intro-grid ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.5;
}

.intro-cta {
  min-width: 260px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #fafcff;
}

.meta {
  margin: 0 0 12px;
  font-size: 0.86rem;
  color: var(--ink-700);
}

.transition-card {
  text-align: center;
  padding: 28px 18px;
}

.transition-title {
  margin: 0 0 6px;
  font-size: 1.2rem;
  color: var(--blue-900);
  font-weight: 800;
}

.transition-text {
  margin: 0;
  color: var(--ink-700);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.12s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn:focus-visible,
.nav-chip:focus-visible,
.option:focus-within,
input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--blue-500);
  outline-offset: 2px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-500));
}

.btn-ghost {
  color: var(--blue-900);
  background: #eaf1fd;
}

.test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  margin-bottom: 14px;
}

.route-status {
  margin: 0 0 4px;
  color: var(--blue-500);
  font-size: 0.88rem;
}

.test-header h2 { margin: 0; color: var(--blue-900); }

.meta-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: end;
}

.meta-strip span {
  border: 1px solid #cddcf2;
  border-radius: 999px;
  background: #edf3fd;
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 700;
}

.qtimer.good { color: var(--good); }
.qtimer.warn { color: var(--warn); }
.qtimer.bad { color: var(--bad); }

.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 14px;
}

.navigator {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #f8fbff;
  height: fit-content;
}

.nav-heading {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  color: var(--blue-700);
  font-weight: 800;
}

.nav-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.nav-chip {
  border: 1px solid #c2d4ee;
  background: #fff;
  border-radius: 8px;
  padding: 7px 0;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.nav-chip.current { border-color: var(--blue-900); background: #e7f0ff; }
.nav-chip.answered { border-color: #9fd6ba; background: #e8f7ef; }
.nav-chip.review { box-shadow: inset 0 0 0 2px #f2ad2f; }

.btn-small { width: 100%; margin-top: 8px; }

.question-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}

.question-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.badge {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 800;
  background: #e6efff;
  color: #1a3f72;
}

.badge-muted { background: #f1f4f8; color: #4a5568; }
.badge-light { background: #fff6e8; color: #8a4c00; }

.rc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.rc-layout.has-passage {
  grid-template-columns: 42% 1fr;
}

.passage-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f9fbff;
  padding: 12px;
}

.passage-wrap h3 {
  margin: 0 0 8px;
  font-size: 0.9rem;
  color: var(--blue-700);
}

.passage {
  font-size: 0.92rem;
  line-height: 1.55;
  user-select: text;
  max-height: 330px;
  overflow: auto;
}

.select-sentence {
  display: inline;
  border-radius: 4px;
  padding: 1px 2px;
  cursor: pointer;
}

.select-sentence.active {
  background: #ffecc7;
  box-shadow: inset 0 0 0 1px #efb240;
}

.di-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfdff;
  padding: 10px;
  margin-bottom: 10px;
}

.di-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.di-wrap th,
.di-wrap td {
  border: 1px solid #d4e0ef;
  padding: 6px 8px;
  text-align: center;
}

.question-text {
  margin: 0 0 12px;
  line-height: 1.5;
}

.options {
  display: grid;
  gap: 8px;
}

.option {
  position: relative;
  border: 1px solid #cddcf2;
  border-radius: 12px;
  padding: 11px;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  cursor: pointer;
  background: #fff;
}

.option:hover {
  border-color: #8fb0da;
  background: #f9fbff;
}

.option-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.option-indicator {
  width: 18px;
  height: 18px;
  border: 2px solid #8aa7cd;
  border-radius: 50%;
  margin-top: 1px;
  position: relative;
}

.option-input[type="checkbox"] + .option-indicator { border-radius: 4px; }
.option-input:checked + .option-indicator { background: var(--blue-900); border-color: var(--blue-900); }
.option-input[type="radio"]:checked + .option-indicator::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: #fff;
}

.option-input[type="checkbox"]:checked + .option-indicator::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 10px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  left: 4px;
  top: 0;
  transform: rotate(45deg);
}

.option-text { font-size: 0.93rem; line-height: 1.45; }

.entry-wrap {
  margin: 12px 0;
}

.entry-wrap label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--ink-700);
}

.entry-wrap input {
  width: 100%;
  max-width: 220px;
  border: 1px solid #c5d6ee;
  border-radius: 10px;
  padding: 10px;
}

.question-actions {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.result-celebration {
  border: 1px solid #cadcf6;
  border-radius: 12px;
  background: linear-gradient(135deg, #edf5ff 0%, #fff8ee 100%);
  padding: 12px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: #1a3b68;
}

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

.score-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fcfdff;
  padding: 12px;
}

.score-box .label {
  margin: 0 0 5px;
  color: var(--ink-700);
  font-size: 0.82rem;
}

.score-box .value {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--blue-900);
}

.subvalue {
  margin: 4px 0 0;
  font-size: 0.8rem;
  color: var(--ink-700);
}

.viz-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.viz-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
}

.viz-panel h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--blue-900);
}

.viz-panel canvas {
  width: 100%;
  height: auto;
  display: block;
}

.viz-wide { grid-column: 1 / -1; }

.analysis-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.analysis-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.analysis-panel h3 { margin: 0 0 8px; color: var(--blue-900); font-size: 0.96rem; }
.analysis-panel ul { margin: 0; padding-left: 18px; line-height: 1.4; }


.lead-gate {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(135deg, #f8fbff 0%, #fff8ef 100%);
  padding: 14px;
  margin-bottom: 12px;
}

.lead-gate-title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--blue-900);
}

.lead-gate-copy {
  margin: 0 0 10px;
  color: var(--ink-700);
  font-size: 0.9rem;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}

.lead-row {
  display: grid;
  gap: 4px;
}

.lead-row label {
  font-size: 0.8rem;
  color: var(--ink-700);
  font-weight: 600;
}

.lead-row input {
  border: 1px solid #c8d7ed;
  border-radius: 10px;
  padding: 10px;
  font-size: 0.9rem;
  background: #fff;
}

.lead-status {
  margin: 8px 0 0;
  font-size: 0.84rem;
  color: var(--good);
}

.lead-status.error {
  color: var(--bad);
}
.roadmap-panel {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #fcfdff;
}

.roadmap-panel h3 { margin: 0 0 10px; color: var(--blue-900); }

.roadmap-controls {
  display: flex;
  gap: 8px;
  align-items: end;
  flex-wrap: wrap;
}

.roadmap-controls label {
  font-size: 0.85rem;
  color: var(--ink-700);
}

.roadmap-controls input {
  border: 1px solid #c8d7ed;
  border-radius: 10px;
  padding: 10px;
  width: 160px;
}

.roadmap-output {
  margin-top: 10px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.review-block {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
}

.review-block summary {
  font-weight: 800;
  cursor: pointer;
  color: var(--blue-900);
}

.review-item {
  margin-top: 10px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.review-layer {
  margin: 4px 0;
}

.correct { color: var(--good); font-weight: 800; }
.incorrect { color: var(--bad); font-weight: 800; }

.result-actions {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.calc {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  width: 300px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.22);
}

.calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--blue-900);
  color: #fff;
  padding: 8px 10px;
  border-radius: 12px 12px 0 0;
  cursor: move;
  user-select: none;
}

.calc-header button {
  border: none;
  background: transparent;
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.calc-display {
  width: calc(100% - 20px);
  margin: 10px;
  border: 1px solid #c7d8f0;
  border-radius: 8px;
  padding: 10px;
  font-size: 1.05rem;
  text-align: right;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 0 10px 10px;
}

.calc-grid button,
.calc-actions button {
  border: 1px solid #c2d5ef;
  border-radius: 8px;
  background: #f6f9ff;
  padding: 9px 0;
  cursor: pointer;
  font-weight: 700;
}

.calc-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0 10px 12px;
}

@media (max-width: 1050px) {
  .lead-form {
    grid-template-columns: 1fr;
  }

  .brand-bar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .header-actions {
    width: 100%;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .nav-grid {
    grid-template-columns: repeat(10, 1fr);
  }

  .rc-layout.has-passage {
    grid-template-columns: 1fr;
  }

  .score-grid,
  .viz-grid,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .calc {
    width: calc(100% - 20px);
    right: 10px;
    left: 10px;
    bottom: 10px;
  }
}

@media (max-width: 640px) {
  .btn,
  .brand-link,
  .nav-chip,
  .option {
    min-height: 44px;
  }

  .nav-grid {
    grid-template-columns: repeat(7, 1fr);
  }
}




.qc-wrap {
  border: 1px solid #d6e4f7;
  border-radius: 10px;
  background: #f8fbff;
  margin-bottom: 10px;
  overflow: hidden;
}

.qc-table {
  width: 100%;
  border-collapse: collapse;
}

.qc-table th,
.qc-table td {
  border: 1px solid #d6e4f7;
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

.qc-table th {
  background: #e9f1ff;
  color: #173a65;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.qc-table td {
  font-size: 0.93rem;
  line-height: 1.45;
}

/* ETS-style micro polish */
.test-header {
  border-bottom-color: #d9e0ea;
}

.meta-strip span {
  background: #f3f6fa;
  border-color: #d5deea;
  color: #223347;
}

.navigator {
  background: #f9fbfd;
  border-color: #d9e1eb;
}

.question-panel {
  border-color: #d9e1eb;
  background: #ffffff;
}

.passage-wrap {
  background: #fcfdff;
  border-color: #d9e1eb;
}

.passage {
  font-size: 0.94rem;
  line-height: 1.64;
  color: #1f2937;
}

.question-text {
  font-size: 1rem;
  line-height: 1.58;
  color: #182538;
}

.option {
  border-color: #d3dce8;
  border-radius: 10px;
  background: #fff;
}

.option:hover {
  border-color: #9fb5d3;
  background: #fbfdff;
}

.option-text {
  color: #1f2937;
  font-size: 0.94rem;
}

.qc-head {
  background: #eef3f9;
  border-bottom: 1px solid #d6e0ec;
  color: #23354a;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 10px;
}

.qc-wrap {
  border-color: #d6e0ec;
  background: #fbfcfe;
}

.qc-table th {
  background: #f2f6fb;
  color: #23354a;
  font-size: 0.78rem;
}

.qc-table td {
  background: #fff;
  color: #1f2937;
}

.result-celebration {
  border-color: #cad8ea;
  background: linear-gradient(135deg, #f1f6fd 0%, #fffaf2 100%);
  color: #223b5b;
}

/* Strict ETS Exam Surface */
.test-header {
  align-items: flex-start;
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.route-status {
  margin: 0 0 3px;
  color: #415a77;
  font-size: 0.77rem;
  letter-spacing: 0.02em;
}

.test-header h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1b2b42;
}

.meta-strip {
  gap: 6px;
}

.meta-strip span {
  min-width: 78px;
  text-align: center;
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 0.73rem;
  font-weight: 700;
  background: #f7f9fc;
  border-color: #d8e0ea;
}

.layout {
  grid-template-columns: 206px 1fr;
  gap: 12px;
}

.navigator {
  border-radius: 8px;
  padding: 10px;
}

.nav-heading {
  margin: 0 0 8px;
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  color: #3e556f;
}

.nav-grid {
  gap: 5px;
}

.nav-chip {
  border-radius: 5px;
  min-height: 30px;
  padding: 5px 0;
  font-size: 0.72rem;
}

.nav-chip.current {
  background: #eef3f9;
  border-color: #6e87a8;
}

.btn-small {
  margin-top: 6px;
  font-size: 0.78rem;
  border-radius: 7px;
}

.question-panel {
  border-radius: 8px;
  padding: 12px;
}

.question-meta {
  margin-bottom: 8px;
  gap: 6px;
}

.badge {
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.68rem;
  font-weight: 700;
}

.passage-wrap {
  border-radius: 8px;
  padding: 10px;
}

.passage-wrap h3 {
  font-size: 0.8rem;
  margin: 0 0 6px;
}

.passage {
  max-height: 350px;
  font-size: 0.92rem;
  line-height: 1.62;
}

.question-text {
  margin: 0 0 10px;
  font-size: 0.98rem;
  line-height: 1.56;
}

.options {
  gap: 7px;
}

.option {
  border-radius: 7px;
  padding: 9px 10px;
  gap: 8px;
}

.option-indicator {
  width: 16px;
  height: 16px;
  border-width: 1.8px;
}

.option-input[type="radio"]:checked + .option-indicator::after {
  inset: 3px;
}

.option-text {
  font-size: 0.9rem;
  line-height: 1.44;
}

.question-actions {
  margin-top: 12px;
}

.qc-head {
  font-size: 0.72rem;
  padding: 7px 10px;
  letter-spacing: 0.08em;
}

.qc-table th,
.qc-table td {
  padding: 8px 10px;
}

.qc-table td {
  font-size: 0.9rem;
  line-height: 1.42;
}

@media (max-width: 1050px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .meta-strip span {
    min-width: 68px;
  }
}

.report-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.summary-card .eyebrow {
  margin: 0 0 6px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue-700);
  font-weight: 800;
}

.summary-card .headline {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--blue-900);
}

.summary-card .detail {
  margin: 0;
  color: var(--ink-700);
  font-size: 0.86rem;
  line-height: 1.5;
}

.analysis-stack {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.analysis-wide {
  padding: 16px;
}

.mistake-ledger {
  overflow-x: auto;
}

.mistake-ledger table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.mistake-ledger th,
.mistake-ledger td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

.mistake-ledger th {
  color: var(--blue-900);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.mistake-ledger tr.wrong-row {
  background: #fff8f6;
}

.counselor-brief {
  white-space: pre-wrap;
  line-height: 1.6;
  color: var(--ink-900);
  background: #f8fbff;
  border: 1px solid #d7e2f0;
  border-radius: 12px;
  padding: 14px;
}

@media (max-width: 960px) {
  .report-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .report-summary {
    grid-template-columns: 1fr;
  }
}