:root {
  --bg: #f7f7f4;
  --ink: #22262a;
  --muted: #626a73;
  --line: #d9ded7;
  --panel: #ffffff;
  --accent: #1f6f64;
  --accent-2: #a6452d;
  --good: #1c7c4c;
  --bad: #b43b35;
  --focus: #174f9a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0 24px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.sim-counter {
  margin: 8px 0 0;
  color: var(--muted);
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.05;
}

.score-panel {
  min-width: 150px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  text-align: right;
}

.score-panel span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
}

.score-panel strong {
  display: block;
  margin-top: 4px;
  font-size: 1.5rem;
}

.exam-layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  gap: 24px;
  padding-top: 24px;
}

.context-panel {
  position: sticky;
  top: 16px;
  align-self: start;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
}

.context-panel h2,
.texts-section h2,
.question-section h2 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.context-title {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.96rem;
  text-transform: uppercase;
}

.context-panel p,
.text-block p {
  color: var(--ink);
  line-height: 1.52;
}

.criteria-list {
  margin: 0;
  padding-left: 20px;
  line-height: 1.7;
}

.work-area {
  min-width: 0;
}

.texts-section {
  display: grid;
  gap: 12px;
}

.text-block {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
}

.text-block h3 {
  margin-bottom: 8px;
  font-size: 0.96rem;
  color: var(--accent);
  text-transform: uppercase;
}

.questions-form {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.question-section {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.section-heading span {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-weight: 700;
}

.section-heading h2 {
  margin: 0;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.question-item {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.question-title {
  line-height: 1.35;
}

.question-title code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.95em;
}

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

.choice-row.memory-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-row label {
  display: grid;
  min-height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.choice-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice-row label:has(input:checked) {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.written-list {
  display: grid;
  gap: 12px;
}

.written-item {
  display: grid;
  gap: 8px;
}

.written-item label {
  font-weight: 700;
}

.written-item input {
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.written-item textarea {
  width: 100%;
  min-height: 180px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  line-height: 1.5;
  resize: vertical;
}

.written-item input:focus,
.written-item textarea:focus,
button:focus-visible,
.choice-row label:has(input:focus-visible) {
  outline: 3px solid color-mix(in srgb, var(--focus) 26%, transparent);
  outline-offset: 2px;
}

.actions-bar {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--accent);
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.secondary {
  color: var(--accent);
  background: transparent;
}

.feedback {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.feedback-row {
  padding: 12px;
  border-left: 4px solid var(--line);
  background: var(--panel);
}

.feedback-row.compact {
  padding: 10px;
}

.feedback-row.correct {
  border-left-color: var(--good);
}

.feedback-row.incorrect {
  border-left-color: var(--bad);
}

.feedback-row strong {
  display: block;
  margin-bottom: 4px;
}

.feedback-row p {
  margin: 0;
  color: var(--muted);
}

.compact-feedback {
  margin-top: 14px;
}

.email-prompt {
  margin-bottom: 14px;
  line-height: 1.5;
}

.word-count {
  justify-self: end;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

@media (max-width: 860px) {
  .app-shell {
    padding: 16px;
  }

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

  .topbar {
    display: grid;
  }

  .score-panel {
    text-align: left;
  }

  .context-panel {
    position: static;
  }

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

  .choice-row.memory-row {
    grid-template-columns: 1fr;
  }

  .actions-bar {
    justify-content: stretch;
    flex-direction: column;
  }
}