/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --bg2: #161b27;
  --bg3: #1e2538;
  --border: #2a3348;
  --text: #e2e8f0;
  --text-muted: #7d8fa8;
  --text-dim: #4a5568;
  --accent: #4f8ef7;
  --accent-soft: #1e3a6e;
  --green: #2cbc89;
  --green-soft: #064e3b;
  --yellow: #fbbf24;
  --yellow-soft: #451a03;
  --red: #f87171;
  --red-soft: #450a0a;
  --purple: #a78bfa;
  --purple-soft: #2e1065;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.4);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  height: 100vh;
  overflow: hidden;
}

/* ── Layout ── */
.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -0.3px;
}
.logo span { color: var(--accent); }

.domain-tag {
  margin-top: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.level-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 8px;
}

.nav-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 4px 8px 8px;
  text-transform: uppercase;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
  font-size: 13px;
}
.nav-btn:hover { background: var(--bg3); color: var(--text); }
.nav-btn.active { background: var(--accent-soft); color: var(--accent); }

.nav-btn-code {
  font-size: 10px;
  font-weight: 700;
  font-family: monospace;
  background: var(--bg3);
  padding: 2px 5px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.nav-btn.active .nav-btn-code { background: var(--accent); color: #fff; }

.nav-btn-missing {
  margin-left: auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}
.nav-btn.loaded .nav-btn-missing { display: none; }

.area-nav {
  padding: 12px 8px;
  border-top: 1px solid var(--border);
  max-height: 280px;
  overflow-y: auto;
  flex-shrink: 0;
}

.nav-label-sub {
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-dim);
  opacity: 0.7;
}

.area-btn { gap: 8px; }

.area-icon { font-size: 14px; flex-shrink: 0; width: 18px; text-align: center; }

.area-unavailable {
  opacity: 0.4;
  cursor: not-allowed !important;
}
.area-unavailable:hover { background: transparent !important; color: var(--text-muted) !important; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}

.scale-legend { font-size: 11px; }
.legend-title {
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  padding: 2px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}
.b0 { background: #1f2937; color: var(--text-dim); }
.b1 { background: #1f2937; color: var(--text-muted); }
.b2 { background: var(--red-soft); color: var(--red); }
.b3 { background: var(--yellow-soft); color: var(--yellow); }
.b4 { background: var(--green-soft); color: var(--green); }
.b5 { background: var(--purple-soft); color: var(--purple); }

/* ── Main ── */
.main {
  overflow-y: auto;
  padding: 24px 32px;
  background: var(--bg);
}

/* ── Empty / Error state ── */
.empty-state, .error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  text-align: center;
  color: var(--text-muted);
  gap: 12px;
}
.empty-icon { font-size: 48px; }
.empty-state h2, .error-state h2 { font-size: 20px; color: var(--text); }
.empty-state p, .error-state p { font-size: 14px; max-width: 360px; }

/* ── Package header ── */
.pkg-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.pkg-title-block { display: flex; align-items: center; gap: 12px; }

.pkg-code {
  font-size: 11px;
  font-weight: 700;
  font-family: monospace;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 5px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.pkg-title { font-size: 22px; font-weight: 700; }

.pkg-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

/* ── Buttons ── */
.btn {
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: opacity 0.15s, background 0.15s;
}
.btn:hover { opacity: 0.85; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary.active { background: var(--green); }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }

/* ── Score targets ── */
.score-targets {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.score-target {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 12px;
}
.st-label { color: var(--text-muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.st-value { color: var(--text); font-weight: 600; margin-top: 2px; }

.score-target-passing {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.score-target-passing .st-label { color: var(--accent); opacity: 0.8; }
.score-target-passing .st-value { color: var(--accent); }

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  background: none;
  border: none;
  padding: 10px 16px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  padding: 0 4px;
  margin-left: 4px;
}
.tab-debrief { color: var(--green) !important; }

/* ── Tab panels ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Overview ── */
.overview-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  line-height: 1.8;
  color: var(--text);
  font-size: 14px;
  max-width: 760px;
}

/* ── Questions ── */
.questions-list { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }

.question-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.15s;
}
.question-card:hover { border-color: var(--accent); }

.q-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
}
.q-num {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--bg3);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.q-topic {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-dim);
  width: 140px;
  flex-shrink: 0;
}
.q-text {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}
.q-score-display {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.q-score-badge {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  color: var(--text-dim);
}
.q-score-badge.scored { background: var(--accent-soft); color: var(--accent); }
.q-chevron {
  color: var(--text-dim);
  font-size: 12px;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.question-card.open .q-chevron { transform: rotate(90deg); }

.q-body {
  display: none;
  border-top: 1px solid var(--border);
  padding: 16px;
  flex-direction: column;
  gap: 12px;
}
.question-card.open .q-body { display: flex; }

.q-row { display: flex; gap: 10px; }
.q-row-icon { font-size: 14px; flex-shrink: 0; margin-top: 1px; }
.q-row-content { flex: 1; }
.q-row-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: underline;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  margin-bottom: 3px;
}
.q-row-text { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.signal-row-weak .q-row-text { color: #fca5a5; }
.signal-row-strong .q-row-text { color: var(--green); }
.followup-row .q-row-text { color: #93c5fd; font-style: italic; }
.followup-answer-text { color: var(--green) !important; font-style: normal !important; margin-top: 2px; }

/* ── Interview score input ── */
.interview-mode-on .q-score-display { display: flex; }

.score-selector {
  display: flex;
  gap: 4px;
}
.score-btn {
  width: 26px;
  height: 26px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.1s;
}
.score-btn:hover { background: var(--bg); color: var(--text); }
.score-btn.s0.sel { background: #374151; color: #d1d5db; border-color: #4b5563; }
.score-btn.s1.sel { background: #374151; color: #e5e7eb; border-color: #6b7280; }
.score-btn.s2.sel { background: var(--red-soft); color: var(--red); border-color: var(--red); }
.score-btn.s3.sel { background: var(--yellow-soft); color: var(--yellow); border-color: var(--yellow); }
.score-btn.s4.sel { background: var(--green-soft); color: var(--green); border-color: var(--green); }
.score-btn.s5.sel { background: var(--purple-soft); color: var(--purple); border-color: var(--purple); }

/* ── Practical task ── */
.task-panel { max-width: 760px; display: flex; flex-direction: column; gap: 16px; }

.task-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}
.task-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.task-section p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

.task-instruction {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  line-height: 1.7;
}
.time-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--yellow-soft);
  color: var(--yellow);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.answer-key-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.answer-key-list li {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}
.answer-key-list li::before {
  content: '✓';
  color: var(--green);
  flex-shrink: 0;
  margin-top: 1px;
}

.scoring-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.scoring-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  padding: 6px 10px 10px;
  border-bottom: 1px solid var(--border);
}
.scoring-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-muted);
  line-height: 1.6;
}
.scoring-table td:first-child {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  min-width: 160px;
}
.scoring-table tr:last-child td { border-bottom: none; }

/* ── Task nav ── */
.task-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
}
.task-nav-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.task-nav-btn:hover:not(:disabled) { background: var(--accent-soft); color: var(--accent); }
.task-nav-btn:disabled { opacity: 0.35; cursor: default; }
.task-nav-counter {
  flex: 1;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.task-nav-total { color: var(--text-muted); font-weight: 400; }

.task-loading { color: var(--text-muted); font-size: 13px; padding: 20px; }

/* ── Area task badge ── */
.area-task-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ── Practical task score block ── */
.task-score-block {
  background: var(--bg2);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.task-score-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}
.task-score-selector { display: flex; gap: 4px; }

/* ── Debrief ── */
.debrief-panel { max-width: 760px; display: flex; flex-direction: column; gap: 20px; }

.debrief-scores {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.debrief-scores-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.debrief-row {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  font-size: 13px;
}
.debrief-row:last-child { border-bottom: none; }
.debrief-topic { color: var(--text-muted); flex: 1; }
.debrief-bar-wrap { width: 100px; height: 6px; background: var(--bg3); border-radius: 3px; overflow: hidden; }
.debrief-bar { height: 100%; border-radius: 3px; transition: width 0.4s ease; }
.debrief-score { width: 28px; text-align: right; font-weight: 700; }

.debrief-scores-subheader {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 8px 20px 4px;
}

.debrief-divider {
  height: 1px;
  background: var(--accent-soft);
  margin: 4px 0;
}

.debrief-row-highlight {
  background: var(--accent-soft);
  border-radius: 0 0 var(--radius) var(--radius);
}
.debrief-row-highlight .debrief-topic { color: var(--accent); font-weight: 600; }

.verdict-card {
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  border: 1px solid;
}
.verdict-card.hire { background: var(--green-soft); border-color: var(--green); }
.verdict-card.borderline { background: var(--yellow-soft); border-color: var(--yellow); }
.verdict-card.no-hire { background: var(--red-soft); border-color: var(--red); }

.verdict-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
  opacity: 0.7;
}
.verdict-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.verdict-body { font-size: 13px; opacity: 0.85; line-height: 1.6; }

.debrief-avg {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.avg-card {
  flex: 1;
  min-width: 120px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
}
.avg-val { font-size: 28px; font-weight: 700; color: var(--accent); }
.avg-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ── Notes field (interview mode) ── */
.q-notes {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  display: none;
}
.question-card.open .q-notes { display: block; }
.q-notes-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.q-notes-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  padding: 8px 10px;
  resize: vertical;
  min-height: 60px;
  line-height: 1.5;
  transition: border-color 0.15s;
}
.q-notes-input:focus { outline: none; border-color: var(--accent); }
.q-notes-input::placeholder { color: var(--text-dim); }

/* ── Export modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow);
}
.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.modal-field { display: flex; flex-direction: column; gap: 6px; }
.modal-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}
.modal-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  padding: 9px 12px;
  transition: border-color 0.15s;
}
.modal-input:focus { outline: none; border-color: var(--accent); }
.modal-input::placeholder { color: var(--text-dim); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ── Print ── */
@media print {
  .sidebar, .pkg-actions, .tabs, .tab-panel { display: block !important; }
  body { background: white; color: black; overflow: visible; }
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding: 16px; overflow: visible; }
  .tab-panel { display: block !important; margin-bottom: 24px; }
  .score-selector, .q-score-display { display: none !important; }
  .question-card.open .q-body, .q-body { display: flex !important; }
  .question-card { border: 1px solid #ccc; break-inside: avoid; }
}