:root {
  --bg: #f5f7fb;
  --ink: #1c2434;
  --muted: #667085;
  --panel: #ffffff;
  --line: #e4e7ec;
  --brand: #465fff;
  --brand-deep: #3641f5;
  --brand-soft: #eef2ff;
  --accent: #0f9d58;
  --sidebar: #101828;
  --sidebar-line: rgba(255,255,255,.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(70,95,255,.08), transparent 28%),
    radial-gradient(circle at top right, rgba(15,157,88,.06), transparent 24%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
}
a { color: var(--brand-deep); text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
.shell { max-width: 980px; margin: 0 auto; padding: 40px 20px 64px; }
.shell-wide { max-width: 1240px; }
.hero, .card, .topbar, .admin-topbar { background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 12px 32px rgba(16,24,40,.05); }
.hero { padding: 40px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12px; color: var(--brand); margin-bottom: 12px; }
.lede { max-width: 760px; color: var(--muted); font-size: 18px; line-height: 1.6; }
.card { padding: 28px; margin-top: 24px; }
.form-card { max-width: 520px; }
.stack { display: grid; gap: 16px; }
label { display: grid; gap: 8px; font-weight: 600; font-size: 14px; color: #334155; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.btn {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 14px 18px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(70,95,255,.22);
}
.btn-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-soft);
  color: var(--brand-deep);
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
}
.hero-grid, .grid-2, .grid-3, .grid-4 {
  display: grid;
  gap: 18px;
}
.hero-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-top: 24px; }
.grid-2 { grid-template-columns: 1.4fr 1fr; align-items: start; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.mini-card {
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  display: grid;
  gap: 8px;
}
.mini-card span, .subtle { color: var(--muted); }
.topbar, .admin-topbar {
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.pill-group, .nav-links { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.pill {
  border: 1px solid rgba(70,95,255,.15);
  color: var(--brand-deep);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
}
.chat-card h2 { font-size: 28px; line-height: 1.3; }
.chat-meta { color: var(--accent); text-transform: uppercase; letter-spacing: .1em; font-size: 12px; margin-bottom: 10px; }
.option-row {
  grid-template-columns: 20px 1fr;
  align-items: start;
  padding: 16px;
  background: #f8fafc;
  border-radius: 16px;
  border: 1px solid var(--line);
}
.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-left: 18px;
}
.timeline li { color: var(--muted); }
.timeline strong { color: var(--ink); display: block; margin-bottom: 4px; }
.radar { width: 100%; max-width: 420px; display: block; margin: 0 auto; }
.radar-grid { fill: rgba(70,95,255,.05); stroke: rgba(70,95,255,.18); stroke-width: 2; }
.radar-axis { stroke: rgba(15,23,42,.18); stroke-width: 1.5; }
.radar-fill { fill: rgba(70,95,255,.22); stroke: var(--brand); stroke-width: 3; }
.radar-center { fill: var(--brand-deep); }
.radar-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 20px;
  align-items: center;
}
.radar-wrap {
  position: relative;
  padding: 28px;
}
.radar-legend {
  display: grid;
  gap: 12px;
}
.radar-axis-label {
  position: absolute;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .02em;
}
.axis-top {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.axis-right {
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
}
.axis-bottom {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.axis-left {
  left: -4px;
  top: 50%;
  transform: translateY(-50%);
}
.legend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
}
.legend-label {
  color: var(--muted);
  font-weight: 600;
}
.report-block { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 14px 10px;
  vertical-align: top;
}
.filter-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: 16px; align-items: end; }
.option-editor { border: 1px solid var(--line); border-radius: 20px; padding: 20px; background: #f8fafc; }
.alert {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(190,24,93,.08);
  color: #9d174d;
  border: 1px solid rgba(190,24,93,.16);
  margin-bottom: 14px;
}
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.public-shell {
  max-width: 1440px;
  margin: 0 auto;
}
.auth-shell-simple {
  max-width: 760px;
  margin: 0 auto;
  grid-template-columns: 1fr;
}
.auth-panel-centered {
  align-items: stretch;
  max-width: 640px;
  margin: 0 auto;
}
.auth-panel, .auth-aside {
  min-height: 100vh;
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.auth-panel {
  background: rgba(255,255,255,.86);
}
.auth-aside {
  color: #fff;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.18), transparent 22%),
    linear-gradient(160deg, #11192d 0%, #1f2a44 58%, #3641f5 100%);
}
.auth-brand {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 28px;
}
.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  font-weight: 800;
  letter-spacing: .08em;
  box-shadow: 0 8px 20px rgba(70,95,255,.24);
}
.auth-card {
  margin-top: 0;
  max-width: 480px;
}
.aside-badge {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.auth-aside h2 {
  font-size: 40px;
  line-height: 1.15;
  max-width: 520px;
}
.auth-aside p {
  max-width: 520px;
  color: rgba(255,255,255,.78);
  line-height: 1.7;
}
.aside-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
  max-width: 520px;
}
.aside-stat {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 6px;
}
.aside-stat span {
  color: rgba(255,255,255,.75);
}
.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}
.sidebar {
  background: var(--sidebar);
  color: #fff;
  padding: 24px 18px;
  border-right: 1px solid var(--sidebar-line);
}
.sidebar-brand {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 10px 10px 24px;
}
.sidebar-brand span {
  display: block;
  color: rgba(255,255,255,.6);
  font-size: 13px;
  margin-top: 4px;
}
.sidebar-nav {
  display: grid;
  gap: 8px;
}
.sidebar-nav a {
  color: rgba(255,255,255,.78);
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
}
.sidebar-nav a.active,
.sidebar-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.08);
}
.admin-content {
  padding: 28px;
}
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 24px 0;
}
.metric-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  display: grid;
  gap: 6px;
  box-shadow: 0 12px 32px rgba(16,24,40,.05);
}
.metric-card span,
.metric-card em {
  color: var(--muted);
  font-style: normal;
}
.metric-card strong {
  font-size: 26px;
}
.qa-table .question-col {
  max-width: 360px;
  width: 32%;
}
.qa-table .weights-col {
  min-width: 220px;
}
.weight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.weight-grid span {
  display: grid;
  gap: 4px;
  padding: 8px 10px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid var(--line);
  font-size: 13px;
}
.weight-grid strong {
  font-size: 12px;
  color: var(--muted);
}
.weight-grid em {
  font-style: normal;
  font-weight: 700;
  color: var(--ink);
}
.answer-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 700;
}
.status-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #027a48;
  font-size: 12px;
  font-weight: 700;
}
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4, .filter-row, .metric-grid, .auth-shell, .admin-shell, .radar-layout, .weight-grid { grid-template-columns: 1fr; }
  .topbar, .admin-topbar { flex-direction: column; align-items: flex-start; }
  .auth-panel, .auth-aside { min-height: auto; padding: 28px 20px; }
  .admin-content { padding: 20px; }
  .sidebar { padding-bottom: 10px; }
  .axis-left, .axis-right {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }
  .axis-right { top: 18px; }
  .axis-left { top: auto; bottom: 18px; }
}