:root {
  --bg: #f3f5f8;
  --panel: #ffffff;
  --text: #1d2433;
  --muted: #697386;
  --line: #dce2ea;
  --blue: #2f6fed;
  --green: #16a34a;
  --gold: #d99a00;
  --red: #dc2626;
  --nav: #102033;
  --nav-2: #172b43;
  --shadow: 0 18px 35px rgba(15, 23, 42, 0.08);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 290px 1fr;
}

.sidebar {
  background: linear-gradient(180deg, var(--nav), var(--nav-2));
  color: #fff;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.crest-dot {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: linear-gradient(135deg, #f3c766, #d99a00);
  color: #102033;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: -0.04em;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.brand-block h1 {
  margin: 0;
  font-size: 1.25rem;
}

.brand-block p {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
}

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

.tab-button {
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.75);
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
  cursor: pointer;
}

.tab-button:hover,
.tab-button.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.65);
}

.status-pill {
  width: fit-content;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.12);
}

.status-pill.good {
  background: rgba(22, 163, 74, 0.25);
  color: #bbf7d0;
}

.status-pill.bad {
  background: rgba(220, 38, 38, 0.25);
  color: #fecaca;
}

.main-content {
  padding: 28px;
  max-width: 1600px;
  width: 100%;
}

.topbar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 22px;
}

.eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.78rem;
  margin: 0 0 8px;
}

.topbar h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.topbar p:not(.eyebrow) {
  margin: 6px 0 0;
  color: var(--muted);
}

.topbar-actions,
.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
}

.button.primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.button.ghost:hover,
.button.primary:hover {
  transform: translateY(-1px);
}

.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 18px;
}

.hidden {
  display: none !important;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.grid {
  display: grid;
  gap: 18px;
}

.cards-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 18px;
}

.search-grid {
  grid-template-columns: minmax(380px, 1fr) minmax(380px, 1fr);
}

.metric-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--blue);
}

.metric-card.accent-green::before { background: var(--green); }
.metric-card.accent-gold::before { background: var(--gold); }
.metric-card.accent-red::before { background: var(--red); }

.metric-card span {
  color: var(--muted);
  font-weight: 700;
}

.metric-card strong {
  display: block;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1;
  margin: 12px 0 8px;
}

.metric-card small {
  color: var(--muted);
}

.panel {
  padding: 20px;
}

.full-panel {
  min-height: 540px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 16px;
}

.panel-header h3 {
  margin: 0;
  font-size: 1.2rem;
}

.panel-header p {
  margin: 5px 0 0;
  color: var(--muted);
}

.question-progress,
.question-cards {
  display: grid;
  gap: 14px;
}

.question-row,
.question-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: #f8fafc;
}

.question-row-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
}

.question-name {
  font-weight: 900;
}

.question-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.progress-track {
  height: 12px;
  background: #e5eaf0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), #60a5fa);
  border-radius: 999px;
  width: 0%;
  transition: width 0.3s ease;
}

.question-card {
  display: grid;
  gap: 12px;
}

.question-card h4 {
  margin: 0;
  font-size: 1.5rem;
}

.question-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.mini-stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
}

.mini-stat span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.mini-stat strong {
  display: block;
  margin-top: 6px;
  font-size: 1.35rem;
}

.rank-list {
  display: grid;
  gap: 10px;
}

.rank-item {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  background: #f8fafc;
  border-radius: 14px;
  padding: 10px 12px;
}

.rank-number {
  height: 32px;
  width: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #e0ecff;
  color: var(--blue);
  font-weight: 900;
}

.rank-name {
  font-weight: 900;
}

.rank-code {
  color: var(--muted);
  font-size: 0.88rem;
}

.rank-value {
  font-size: 1.1rem;
  font-weight: 900;
}

.chart {
  width: 100%;
  height: 320px;
}

.search-form {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.search-form.wide {
  max-width: 680px;
}

.search-form input,
.settings-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  background: #fff;
  color: var(--text);
}

.result-area {
  margin-top: 12px;
}

.empty-state {
  color: var(--muted);
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 16px;
  padding: 18px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 860px;
  background: #fff;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
}

th {
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td {
  border-bottom: 0;
}

.marker-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.settings-box {
  max-width: 850px;
  display: grid;
  gap: 12px;
}

.settings-box label {
  font-weight: 900;
}

.help-text {
  color: var(--muted);
}

code {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 2px 6px;
}

@media print {
  .sidebar,
  .topbar-actions,
  .tabs,
  .settings-box {
    display: none !important;
  }

  .app-shell {
    display: block;
  }

  .main-content {
    padding: 0;
  }

  .tab-panel {
    display: block !important;
    page-break-after: always;
  }

  .panel,
  .metric-card,
  .topbar {
    box-shadow: none;
  }
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .tabs {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards-grid,
  .two-columns,
  .search-grid,
  .question-stats,
  .marker-summary {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .main-content {
    padding: 16px;
  }

  .topbar,
  .panel-header,
  .search-form {
    flex-direction: column;
    align-items: stretch;
  }

  .cards-grid,
  .two-columns,
  .search-grid,
  .question-stats,
  .marker-summary,
  .tabs {
    grid-template-columns: 1fr;
  }
}