/*
 * ISR Trade Study — shared dashboard styles
 *
 * Defense / tactical aesthetic: deep slate background, mono accents,
 * desaturated amber for highlights. Used by the live-demo landing page
 * and per-run dashboards alike.
 */

:root {
  --bg: #0b0f12;
  --bg-soft: #11171c;
  --bg-panel: #141a1f;
  --bg-panel-elevated: #1a2128;
  --line: #1f2730;
  --line-strong: #2c3742;
  --ink: #e6ebef;
  --ink-soft: #b6bfc7;
  --muted: #8693a0;
  --accent: #d99a3d;
  --accent-soft: rgba(217, 154, 61, 0.16);
  --accent-strong: #f0b35a;
  --signal: #5fb6c0;
  --signal-soft: rgba(95, 182, 192, 0.14);
  --danger: #cf6659;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 28px rgba(0, 0, 0, 0.35);
  --mono: "JetBrains Mono", "SFMono-Regular", "Consolas", "Menlo", monospace;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 20% -10%, rgba(95, 182, 192, 0.05), transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(217, 154, 61, 0.05), transparent 35%);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 150ms ease, color 150ms ease;
}

a:hover {
  border-bottom-color: var(--accent);
}

h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}

h1 { font-size: 2.4rem; line-height: 1.1; }
h2 { font-size: 1.55rem; line-height: 1.2; }
h3 { font-size: 1.05rem; }

code, pre, .mono {
  font-family: var(--mono);
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 28px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
  gap: 24px;
  flex-wrap: wrap;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 4px;
  border: 1px solid rgba(15, 20, 24, 0.6);
}

.brand-meta {
  display: grid;
  gap: 2px;
}

.brand-title {
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  color: var(--ink);
}

.brand-sub {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar-links {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.topbar-links a {
  color: var(--ink-soft);
  border-bottom: none;
}

.topbar-links a:hover {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 36px;
  align-items: stretch;
  margin-bottom: 40px;
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 14px;
}

.hero-copy p {
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 22px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease;
}

.action:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg-panel-elevated);
}

.action-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a130a;
  font-weight: 600;
}

.action-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #1a130a;
}

.action[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.brief {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: grid;
  align-content: start;
  gap: 16px;
  box-shadow: var(--shadow);
}

.brief-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.brief-list li {
  padding-left: 16px;
  position: relative;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.5;
}

.brief-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.section {
  margin-top: 52px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.section-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 64ch;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  display: grid;
  gap: 10px;
}

.card .label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.card .value {
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.card .delta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 18px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow);
  overflow-x: auto;
  min-width: 0;
}

.panel h3 {
  font-size: 1rem;
  margin-bottom: 14px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 12px;
}

.panel h3::before {
  content: "";
  width: 6px;
  height: 14px;
  border-radius: 1px;
  background: var(--accent);
  display: inline-block;
}

.panel .panel-sub {
  font-size: 0.86rem;
  color: var(--muted);
  margin: -8px 0 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.table-scroll {
  overflow-x: auto;
  margin: 0 -8px;
  padding: 0 8px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  border-bottom-color: var(--line-strong);
}

tbody tr:last-child td {
  border-bottom: none;
}

tr.is-best td {
  background: var(--accent-soft);
}

tr.is-best td:first-child {
  color: var(--accent-strong);
  font-weight: 600;
  position: relative;
}

td.numeric, th.numeric {
  font-family: var(--mono);
  text-align: right;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: start;
  gap: 18px;
}

.figure {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-self: start;
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}

.figure--wide {
  grid-column: span 2;
}

@media (max-width: 900px) {
  .figure--wide {
    grid-column: auto;
  }
}

.figure__link {
  display: block;
  line-height: 0;
  background: #0f1418;
}

.figure__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.figure img {
  display: block;
  width: 100%;
  height: auto;
  background: #0f1418;
}

.figure:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.figure figcaption {
  padding: 12px 16px 14px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.code-block {
  background: #0a0e11;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin: 0;
  overflow-x: auto;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.55;
}

.code-block .prompt {
  color: var(--accent);
  user-select: none;
}

.code-block .comment {
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(217, 154, 61, 0.25);
}

.tag.tag-signal {
  background: var(--signal-soft);
  color: var(--signal);
  border-color: rgba(95, 182, 192, 0.25);
}

.empty {
  background: var(--bg-panel);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.84rem;
}

.empty strong {
  color: var(--ink);
  font-weight: 600;
}

.kv {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 10px 18px;
  font-size: 0.9rem;
}

.kv dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.kv dd {
  margin: 0;
  color: var(--ink);
}

footer.site-footer {
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

footer.site-footer a {
  color: var(--ink-soft);
}

@media (max-width: 880px) {
  .shell {
    padding: 24px 18px 48px;
  }
  .topbar {
    margin-bottom: 24px;
  }
  .topbar-links {
    flex-wrap: wrap;
    gap: 14px;
  }
  .hero,
  .section-head {
    grid-template-columns: 1fr;
  }
  .section-head {
    align-items: start;
  }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.3rem; }
}