:root {
  --background: #f8fafc;
  --primary: #0f172a;
  --secondary: #2563eb;
  --accent: #f97316;
  --success: #10b981;
  --text: #1e293b;
  --muted: #64748b;
  --card: #ffffff;
  --border: #e2e8f0;
  --hover: #1d4ed8;
  --shadow: 0 18px 60px rgba(15, 23, 42, 0.08);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

.assessment-page {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 35%),
    radial-gradient(circle at top right, rgba(249, 115, 22, 0.08), transparent 30%),
    var(--background);
  color: var(--text);
}

.assessment-shell {
  padding: 2rem 0 4rem;
}

.assessment-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.25rem;
  align-items: start;
}

.assessment-panel {
  padding: 1.5rem;
}

.assessment-panel h1,
.assessment-panel h2,
.assessment-panel h3 {
  color: var(--primary);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.timer-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--primary);
  font-weight: 700;
}

.timer-pill.is-warning {
  background: rgba(249, 115, 22, 0.12);
  color: #b45309;
}

.timer-pill.is-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.candidate-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.candidate-form .form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.form-field {
  display: grid;
  gap: 0.4rem;
}

.form-field label {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.92rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  background: #fff;
  color: var(--text);
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.assessment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.question-shell {
  display: grid;
  gap: 1rem;
}

.progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(226, 232, 240, 0.9);
}

.progress-bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  border-radius: inherit;
  transition: width 0.35s ease;
}

.question-card {
  padding: 1.5rem;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.question-title {
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  margin-bottom: 0.8rem;
}

.question-topic {
  color: var(--secondary);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.question-prompt {
  color: var(--text);
  margin: 0.8rem 0 1rem;
}

.option-list {
  display: grid;
  gap: 0.7rem;
}

.option-button {
  width: 100%;
  text-align: left;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.option-button:hover,
.option-button.is-selected {
  transform: translateY(-1px);
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.option-button.is-selected {
  background: rgba(37, 99, 235, 0.08);
}

.coding-input {
  width: 100%;
  min-height: 240px;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  resize: vertical;
  background: #fff;
  color: var(--text);
}

.coding-hint {
  margin-top: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.04);
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-controls {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.nav-controls .btn {
  min-width: 140px;
}

.summary-card {
  padding: 1.25rem;
  margin-top: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(248, 250, 252, 0.95));
}

.summary-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.summary-row strong {
  color: var(--primary);
}

.review-note {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(249, 115, 22, 0.24);
  background: rgba(249, 115, 22, 0.08);
  color: #9a3412;
}

.workspace-hidden {
  display: none;
}

.workspace-headline {
  display: grid;
  gap: 0.35rem;
}

.workspace-headline h1 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  color: var(--primary);
}

.candidate-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--secondary);
  font-size: 0.84rem;
  font-weight: 600;
}

.assessment-footer {
  margin-top: 1rem;
}

@media (max-width: 1024px) {
  .assessment-grid,
  .candidate-form .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .assessment-shell {
    padding-top: 1rem;
  }

  .panel-head,
  .assessment-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-controls .btn {
    width: 100%;
  }
}