:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-strong: #f9fafc;
  --text: #162033;
  --muted: #63708a;
  --border: #dbe2ef;
  --accent: #246bfe;
  --accent-dark: #174fd0;
  --teal: #0f8c7f;
  --warning: #9a5a00;
  --warning-bg: #fff4dc;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --shadow: 0 14px 35px rgba(31, 45, 68, 0.1);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #eef3fb 0%, rgba(238, 243, 251, 0) 280px),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 28px;
  align-items: end;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2.1rem, 4vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

.subtitle {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.6;
}

.ticker-form {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.ticker-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.ticker-form input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 14px;
  color: var(--text);
  background: #fff;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  outline: none;
}

.ticker-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(36, 107, 254, 0.12);
}

.ticker-form button {
  min-height: 48px;
  padding: 0 18px;
  color: #fff;
  background: var(--accent);
  font-weight: 800;
}

.ticker-form button:hover:not(:disabled) {
  background: var(--accent-dark);
}

#ticker-help {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.settings-panel {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(31, 45, 68, 0.07);
}

.settings-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.settings-panel summary::-webkit-details-marker {
  display: none;
}

.settings-panel summary small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.config-summary,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0 10px;
  color: #243a68;
  background: #e9eefb;
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.status-pill.configured {
  color: #0f4f4a;
  background: #dff8f4;
}

.status-pill.missing {
  color: var(--warning);
  background: var(--warning-bg);
}

.config-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-top: 1px solid var(--border);
  padding: 18px;
}

.provider-block {
  display: grid;
  gap: 9px;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface-strong);
}

.provider-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 4px;
}

.provider-heading h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

.config-form label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.config-form input,
.config-form select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 12px;
  color: var(--text);
  background: #fff;
  outline: none;
}

.config-form input:focus,
.config-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(36, 107, 254, 0.12);
}

.field-note {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.config-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.config-actions button {
  min-height: 42px;
  padding: 0 16px;
  color: #fff;
  background: var(--accent);
  font-weight: 800;
}

.config-actions button:hover:not(:disabled) {
  background: var(--accent-dark);
}

#config-message {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.loading-panel,
.error-panel,
.summary-card,
.warnings-card,
.risk-panel,
.disclaimer-panel,
.strategy-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(31, 45, 68, 0.07);
}

.loading-panel,
.error-panel,
.results-panel {
  margin-top: 22px;
}

.loading-panel {
  padding: 20px;
}

.progress-header {
  display: flex;
  gap: 10px;
  align-items: center;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 3px solid #ced8ea;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.progress-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.progress-list li {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  color: var(--muted);
  background: var(--surface-strong);
  font-size: 0.9rem;
  font-weight: 700;
}

.progress-list li.active {
  border-color: rgba(36, 107, 254, 0.35);
  color: var(--accent-dark);
  background: #eef4ff;
}

.error-panel {
  padding: 18px;
  border-color: #ffd4d0;
  color: var(--danger);
  background: var(--danger-bg);
  font-weight: 700;
}

.summary-card {
  padding: 22px;
}

.summary-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}

.summary-topline h2 {
  margin-bottom: 0;
  font-size: 1.6rem;
}

.as-of {
  color: var(--muted);
  font-size: 0.88rem;
}

.summary-grid,
.metric-grid,
.compact-grid {
  display: grid;
  gap: 12px;
}

.summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-grid div,
.metric-grid div,
.compact-grid div {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface-strong);
}

dt {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 6px 0 0;
  font-size: 1.05rem;
  font-weight: 800;
  word-break: break-word;
}

.explanation {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.warnings-card {
  margin-top: 16px;
  padding: 16px;
  border-color: #ffd991;
  color: var(--warning);
  background: var(--warning-bg);
  font-weight: 700;
}

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

.strategy-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
}

.strategy-topline {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
}

.strategy-topline h2 {
  margin: 8px 0 0;
  font-size: 1.22rem;
  line-height: 1.2;
}

.rank-pill,
.bias-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 0.78rem;
  font-weight: 900;
}

.rank-pill {
  color: #0f4f4a;
  background: #dff8f4;
}

.bias-pill {
  flex: 0 0 auto;
  color: #243a68;
  background: #e9eefb;
}

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

.compact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 10px;
}

.metric-grid dd {
  font-size: 0.98rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.action-row button {
  min-height: 38px;
  border: 1px solid var(--border);
  padding: 0 12px;
  color: var(--text);
  background: #fff;
  font-size: 0.84rem;
  font-weight: 800;
}

.action-row button:hover {
  border-color: rgba(36, 107, 254, 0.5);
  color: var(--accent-dark);
  background: #f4f7ff;
}

.detail-section {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.detail-section h3 {
  margin-bottom: 8px;
  font-size: 0.86rem;
  text-transform: uppercase;
}

.detail-section p,
.detail-section li,
.risk-panel li,
.disclaimer-panel p {
  color: var(--muted);
  line-height: 1.55;
}

.microcopy {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.84rem;
}

.table-wrap {
  overflow-x: auto;
}

.scenario-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.scenario-table th,
.scenario-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  white-space: nowrap;
}

.scenario-table th {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.positive {
  color: var(--teal);
  font-weight: 800;
}

.negative {
  color: var(--danger);
  font-weight: 800;
}

.detail-section ul,
.risk-panel ul {
  margin: 0;
  padding-left: 18px;
}

.detail-section li + li,
.risk-panel li + li {
  margin-top: 8px;
}

.detail-section h3:not(:first-child) {
  margin-top: 16px;
}

.lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 18px;
  margin-top: 18px;
}

.risk-panel,
.disclaimer-panel {
  padding: 20px;
}

.risk-panel h2,
.disclaimer-panel h2 {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.disclaimer-panel {
  border-color: #ffd4d0;
  background: var(--danger-bg);
}

.disclaimer-panel h2 {
  color: var(--danger);
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .hero,
  .lower-grid,
  .config-form {
    grid-template-columns: 1fr;
  }

  .strategies-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 12px;
  }

  .hero {
    padding: 18px;
  }

  h1 {
    font-size: 2.28rem;
  }

  .form-row,
  .summary-grid,
  .metric-grid,
  .compact-grid,
  .progress-list {
    grid-template-columns: 1fr;
  }

  .ticker-form button {
    width: 100%;
  }

  .strategy-topline {
    display: block;
  }

  .bias-pill {
    margin-top: 12px;
  }

  .settings-panel summary,
  .config-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}