:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #6c7588;
  --border: #e5e9f2;
  --primary: #4263eb;
  --sidebar: #111a2e;
}

* { box-sizing: border-box; }

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

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 245px;
  padding: 30px 18px;
  background: var(--sidebar);
  color: white;
  display: flex;
  flex-direction: column;
}

.brand {
  color: white;
  font-size: 25px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -1px;
  padding: 0 12px 38px;
}

.brand span { color: #8ea4ff; }

.nav-label, .eyebrow {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.nav-label {
  color: #8c98b0;
  padding: 0 12px;
  margin-bottom: 12px;
}

.sidebar nav { display: grid; gap: 7px; }

.nav-link {
  color: #c2cbdd;
  padding: 13px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
}

.nav-link:hover, .nav-link.active {
  background: #263553;
  color: white;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  color: #8c98b0;
  font-size: 12px;
}

.main-content {
  margin-left: 245px;
  padding: 38px;
  max-width: 1600px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}

h1 {
  margin: 6px 0;
  font-size: clamp(27px, 3vw, 35px);
  letter-spacing: -1px;
}

h2 { font-size: 17px; margin: 0 0 10px; }

.eyebrow { color: var(--primary); margin: 0; }
.muted { color: var(--muted); font-size: 13px; line-height: 1.7; }
.small { font-size: 12px; margin-top: 18px; }

.status {
  padding: 9px 12px;
  border: 1px solid var(--border);
  background: white;
  border-radius: 20px;
  font-size: 12px;
  white-space: nowrap;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2f9e44;
  margin-right: 7px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.metric-card, .panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 22px;
}

.metric-card p {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 16px;
}

.metric-card h2 {
  font-size: 27px;
  letter-spacing: -0.8px;
  margin: 0 0 8px;
}

.metric-card small { color: var(--muted); font-size: 11px; }

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 22px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 18px;
}

.panel-heading p { margin: 0; }
.chart-container { position: relative; height: 290px; }
.importance-chart { position: relative; height: 460px; }

.info-panel { margin-bottom: 22px; }
.info-panel p { line-height: 1.8; }

.primary-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
}

.assessment-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1.15fr);
  gap: 20px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin: 24px 0 8px;
}

input {
  width: 100%;
  padding: 13px;
  border: 1px solid #d7ddea;
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  outline: none;
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px #4263eb1c;
}

.primary-button, .secondary-button {
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

.primary-button {
  margin-top: 14px;
  width: 100%;
  border: 0;
  background: var(--primary);
  color: white;
}

.primary-button:hover { background: #3451cc; }
.primary-button:disabled, .secondary-button:disabled { opacity: 0.6; cursor: wait; }

.secondary-button {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
}

.result-panel { min-height: 320px; }
.empty-state { padding: 30px 10px; text-align: center; }
.empty-icon { font-size: 30px; color: var(--primary); margin-bottom: 16px; }

.risk-score {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -2px;
  margin: 14px 0;
}

.risk-badge {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.risk-badge.low { color: #18794e; background: #e3f8ed; }
.risk-badge.moderate { color: #925d00; background: #fff2cc; }
.risk-badge.high { color: #b42318; background: #fee4e2; }

.result-detail {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.disclaimer {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  margin-top: 20px;
}

.error-message { color: #b42318; }

footer {
  padding: 24px 0 10px;
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 1100px) {
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .charts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .sidebar {
    position: static;
    width: 100%;
    padding: 16px;
  }

  .brand { padding: 0 6px 18px; }
  .nav-label, .sidebar-footer { display: none; }
  .sidebar nav { grid-template-columns: 1fr; }
  .nav-link { padding: 10px; }
  .main-content { margin-left: 0; padding: 22px 16px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-card, .panel { padding: 16px; }
  .metric-card h2 { font-size: 22px; }
  .assessment-layout { grid-template-columns: 1fr; }
  .importance-chart { height: 400px; }
}

@media (max-width: 420px) {
  .metrics-grid { grid-template-columns: 1fr; }
}


.data-chart {
  width: 100%;
  min-height: 340px;
  margin: 12px 0 28px;
}

.interpretation-list {
  padding-left: 22px;
  line-height: 1.9;
  font-size: 13px;
}

.interpretation-list li {
  margin-bottom: 8px;
}


/* Explainability chart layout */
.explainability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.chart-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.chart-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.chart-card .muted {
  margin-top: 0;
}

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

.interpretation-list {
  padding-left: 22px;
  line-height: 1.9;
  font-size: 13px;
}

.interpretation-list li {
  margin-bottom: 10px;
}

@media (max-width: 900px) {
  .explainability-grid {
    grid-template-columns: 1fr;
  }
}