:root {
  --paper: #f8f3eb;
  --card: #fffaf2;
  --ink: #171412;
  --muted: #5f5850;
  --line: #d8d0c2;
  --accent: #5e4212;
  --accent-soft: #ead7b2;
  --accent-border: #dcc7a1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(127, 95, 45, 0.08), transparent 24%),
    linear-gradient(180deg, #faf7f1, var(--paper));
  color: var(--ink);
  font-family: "Aptos", "Segoe UI", Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }

.auth-shell {
  width: min(1180px, calc(100vw - 34px));
  margin: 22px auto 56px;
}

.auth-card,
.auth-panel,
.plan-card,
.legal-card {
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.94);
}

.auth-hero {
  padding: 30px 22px;
  border-top: 5px solid var(--ink);
  border-bottom: 1px solid var(--line);
  text-align: center;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.98), rgba(248, 243, 234, 0.96)),
    linear-gradient(90deg, rgba(216, 208, 194, 0.18) 1px, transparent 1px),
    linear-gradient(rgba(216, 208, 194, 0.18) 1px, transparent 1px);
  background-size: auto, 26px 26px, 26px 26px;
}

.auth-logo {
  display: block;
  height: 130px;
  width: auto;
  max-width: min(320px, 80vw);
  margin: 0 auto 6px;
}

.kicker,
label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1;
}

.subline {
  max-width: 74ch;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.auth-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 18px;
}

.button,
button,
.auth-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 13px;
  border: 1px solid var(--accent-border);
  background: #fffaf0;
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
}

.button.primary,
button {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.auth-grid,
.plan-grid,
.feature-grid {
  display: grid;
  gap: 14px;
}

.plan-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
  margin-top: 18px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.auth-card {
  max-width: 520px;
  margin: 18px auto 0;
  padding: 18px;
}

.auth-panel,
.legal-card {
  margin-top: 18px;
  padding: 18px;
}

.plan-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
  padding: 16px;
}

.plan-card.highlight {
  background: #ead7b2;
  box-shadow: inset 0 0 0 1px #dcc7a1;
}

.plan-title {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.price {
  font-size: 1.9rem;
  font-weight: 900;
}

.copy,
.plan-card li,
.legal-card p {
  color: var(--muted);
  line-height: 1.5;
}

.plan-card ul {
  margin: 0;
  padding-left: 18px;
  flex: 1 1 auto;
}

.plan-card > form,
.plan-card > .button {
  margin-top: auto;
  width: 100%;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

input,
select {
  min-height: 42px;
  width: 100%;
  border: 1px solid var(--accent-border);
  background: #fffaf0;
  color: var(--ink);
  font: inherit;
  padding: 9px 11px;
}

.error {
  padding: 10px 12px;
  border: 1px solid rgba(139, 47, 34, 0.35);
  color: #8b2f22;
  background: #fff6f3;
  font-weight: 800;
}

.message {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #fffaf0;
  color: var(--muted);
}

.sample-board {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.sample-row {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.86);
}

.teaser-candidate-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.teaser-pattern-group-label {
  grid-column: 1 / -1;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.teaser-pattern-group-label:first-child {
  padding-top: 0;
  border-top: 0;
}

.teaser-candidate-card {
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: start;
}

.teaser-candidate-body {
  min-width: 0;
}

.teaser-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.teaser-mini-chart {
  grid-column: 1 / -1;
  max-height: 220px;
}

.ai-preview-card {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.86);
}

.ai-preview-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.action-pill.buy {
  color: #0b684f;
}

.action-pill.sell {
  color: #963622;
}

.ai-preview-copy {
  margin-top: 12px;
  color: var(--ink);
  line-height: 1.55;
}

.ai-preview-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.ai-preview-metrics > div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #fffdf8;
}

.ai-preview-metrics span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ai-fundamental-preview {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  background: #f3ecdf;
}

.ai-fundamental-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.ai-fundamental-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.ai-fundamental-grid > div,
.ai-fundamental-points > div {
  display: grid;
  gap: 5px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #fffdf8;
}

.ai-fundamental-grid span,
.ai-fundamental-points span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ai-fundamental-grid strong {
  font-size: 0.9rem;
  line-height: 1.4;
}

.ai-fundamental-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.research-point {
  font-size: 0.86rem;
  line-height: 1.4;
}

.research-point.positive {
  color: #0b684f;
}

.research-point.concern {
  color: #963622;
}

.ai-sample-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.76rem;
}

.teaser-ai-chart {
  margin-top: 12px;
  max-height: none;
}

.rank {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  background: #171616;
  color: #fff;
  font-weight: 900;
}

.pill {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 5px 8px;
  border: 1px solid var(--line);
  background: #fffdf8;
  font-size: 0.78rem;
  font-weight: 800;
}

.sample-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.sample-chart-card {
  min-width: 0;
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.86);
  padding: 12px;
}

.sample-chart-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.sample-chart-svg {
  margin-top: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fffdf8;
}

.sample-chart-svg svg {
  display: block;
  width: 100%;
  height: auto;
}

.legal-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.85rem;
}

form {
  margin: 0;
}

.auth-nav form {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.auth-nav select {
  min-height: 38px;
  width: auto;
}

@media (max-width: 980px) {
  .plan-grid,
  .feature-grid,
  .teaser-candidate-grid,
  .ai-preview-metrics,
  .ai-fundamental-grid,
  .sample-chart-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .plan-grid,
  .feature-grid,
  .teaser-candidate-grid,
  .ai-preview-metrics,
  .ai-fundamental-grid,
  .ai-fundamental-points,
  .sample-chart-grid,
  .sample-row {
    grid-template-columns: 1fr;
  }

  .auth-logo {
    height: 110px;
  }
}