/* Short Interest Tracker. Uses the site tokens from style.css; scoped to .si-page. */

.si-page {
  --si-rose: #f43f5e;
  --si-rose-soft: #fb7185;
  --si-violet: #a78bfa;
  --si-amber: #fbbf24;
  --si-panel: linear-gradient(180deg, rgba(18, 30, 51, 0.92) 0%, rgba(13, 24, 41, 0.92) 100%);
  --si-line: rgba(148, 163, 184, 0.14);
  color: var(--text-main);
  overflow-x: clip;
}
.si-page *, .si-page *::before, .si-page *::after { box-sizing: border-box; }
.si-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.si-num { font-variant-numeric: tabular-nums; }
.si-page [hidden] { display: none !important; }
.si-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* ------------------------------------------------------------------ hero */
.si-hero {
  position: relative;
  padding: 64px 0 40px;
  text-align: center;
  isolation: isolate;
}
.si-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 520px;
  z-index: -1;
  background:
    radial-gradient(520px 260px at 18% 8%, rgba(244, 63, 94, 0.16), transparent 70%),
    radial-gradient(560px 280px at 84% 0%, rgba(34, 197, 94, 0.15), transparent 70%),
    radial-gradient(420px 220px at 52% 46%, rgba(99, 102, 241, 0.10), transparent 70%);
}
.si-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 420px;
  z-index: -1;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 100% at 50% 0%, #000 20%, transparent 75%);
}
.si-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(244, 63, 94, 0.32);
  background: rgba(244, 63, 94, 0.1);
  color: var(--si-rose-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.si-eyebrow .si-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--si-rose-soft);
  box-shadow: 0 0 0 0 rgba(251, 113, 133, 0.6);
  animation: si-pulse 2s ease-out infinite;
}
@keyframes si-pulse {
  0% { box-shadow: 0 0 0 0 rgba(251, 113, 133, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(251, 113, 133, 0); }
  100% { box-shadow: 0 0 0 0 rgba(251, 113, 133, 0); }
}
.si-hero h1 {
  margin: 18px auto 14px;
  max-width: 820px;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  text-wrap: balance;
}
.si-hero h1 .si-grad {
  background: linear-gradient(95deg, #fb7185 0%, #f59e0b 45%, #4ade80 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.si-lead {
  margin: 0 auto 28px;
  max-width: 680px;
  color: var(--text-muted);
  font-size: 1.06rem;
  line-height: 1.65;
  text-wrap: balance;
}
.si-search {
  display: flex;
  gap: 10px;
  max-width: 560px;
  margin: 0 auto;
  padding: 8px;
  border-radius: 18px;
  background: rgba(13, 24, 41, 0.85);
  border: 1px solid var(--si-line);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  backdrop-filter: blur(8px);
}
.si-search:focus-within { border-color: rgba(34, 197, 94, 0.5); box-shadow: var(--shadow-lg), 0 0 0 4px rgba(34, 197, 94, 0.12); }
.si-search input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text-main);
  font: inherit;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.si-search input::placeholder { color: var(--text-dim); font-weight: 500; letter-spacing: 0; text-transform: none; }
.si-quick {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 8px; margin: 18px auto 0; max-width: 720px;
}
.si-quick span { color: var(--text-dim); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; margin-right: 4px; }
.si-quick button {
  padding: 6px 13px; border-radius: 999px; cursor: pointer;
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--si-line);
  color: var(--text-secondary); font: inherit; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.03em;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.15s;
}
.si-quick button:hover { background: rgba(34, 197, 94, 0.12); border-color: rgba(34, 197, 94, 0.4); color: #fff; transform: translateY(-1px); }
.si-facts {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
  max-width: 860px; margin: 34px auto 0; text-align: left;
}
.si-fact {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px;
  border-radius: 14px; border: 1px solid var(--border-light); background: rgba(13, 24, 41, 0.6);
}
.si-fact .si-fact-ic {
  flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
}
.si-fact b { display: block; font-size: 0.88rem; margin-bottom: 2px; }
.si-fact small { color: var(--text-muted); font-size: 0.78rem; line-height: 1.45; display: block; }

/* ------------------------------------------------------------------ buttons / inputs */
.si-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 12px; border: 1px solid transparent; cursor: pointer;
  font: inherit; font-size: 0.92rem; font-weight: 700; text-decoration: none; white-space: nowrap;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, border-color 0.15s, opacity 0.15s;
}
.si-btn:focus-visible, .si-tab:focus-visible, .si-quick button:focus-visible, .si-star:focus-visible, .si-link:focus-visible, .si-sort:focus-visible {
  outline: 2px solid #86efac; outline-offset: 2px;
}
.si-btn-primary { background: var(--accent-gradient); color: #04210f; box-shadow: 0 6px 18px rgba(34, 197, 94, 0.28); }
.si-btn-primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(34, 197, 94, 0.36); }
.si-btn-ghost { background: rgba(255, 255, 255, 0.04); border-color: var(--si-line); color: var(--text-secondary); }
.si-btn-ghost:hover:not(:disabled) { background: rgba(255, 255, 255, 0.08); color: #fff; }
.si-btn-sm { padding: 7px 12px; font-size: 0.8rem; border-radius: 10px; }
.si-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.si-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.si-field label, .si-field > span { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); }
.si-input, .si-select, .si-textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--si-line);
  background: rgba(6, 11, 24, 0.7); color: var(--text-main); font: inherit; font-size: 0.92rem;
}
.si-textarea { min-height: 84px; resize: vertical; line-height: 1.5; text-transform: uppercase; letter-spacing: 0.02em; }
.si-input:focus, .si-select:focus, .si-textarea:focus { outline: none; border-color: rgba(34, 197, 94, 0.55); box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.14); }

/* ------------------------------------------------------------------ tool shell */
.si-tool { padding: 8px 0 12px; }
.si-tabs {
  display: flex; gap: 6px; padding: 6px; margin: 0 auto 24px; width: fit-content; max-width: 100%;
  overflow-x: auto; border-radius: 16px; background: rgba(13, 24, 41, 0.85); border: 1px solid var(--si-line);
}
.si-tab {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 11px; cursor: pointer;
  background: transparent; border: 0; color: var(--text-muted); font: inherit; font-size: 0.9rem; font-weight: 600; white-space: nowrap; text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.si-tab:hover { color: #fff; }
.si-tab[aria-selected="true"] { background: rgba(34, 197, 94, 0.14); color: #86efac; box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.35); }
.si-tab .si-count { padding: 1px 7px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); font-size: 0.72rem; color: var(--text-secondary); }
.si-card {
  background: var(--si-panel); border: 1px solid var(--si-line); border-radius: 18px; padding: 22px; box-shadow: var(--shadow-md);
}
.si-card h2, .si-card h3 { margin: 0; }
.si-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.si-card-head h3 { font-size: 1.02rem; font-weight: 700; }
.si-card-head p { margin: 4px 0 0; color: var(--text-muted); font-size: 0.82rem; line-height: 1.5; }
.si-error {
  margin: 0 0 18px; padding: 14px 16px; border-radius: 14px; border: 1px solid rgba(248, 113, 113, 0.4);
  background: rgba(239, 68, 68, 0.1); color: #fecaca; font-size: 0.92rem; line-height: 1.5;
}
.si-notice {
  padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.07); color: #fde68a; font-size: 0.82rem; line-height: 1.55;
}
.si-live { position: absolute; left: -9999px; }

/* ------------------------------------------------------------------ empty / skeleton */
.si-empty {
  text-align: center; padding: 44px 20px; border-radius: 16px; border: 1px dashed var(--si-line);
  color: var(--text-muted); font-size: 0.92rem; line-height: 1.6;
}
.si-empty b { display: block; color: var(--text-main); font-size: 1.02rem; margin-bottom: 6px; }
.si-welcome { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 28px; align-items: center; padding: 30px; }
.si-welcome h2 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.si-welcome p { color: var(--text-muted); line-height: 1.65; margin: 0 0 14px; font-size: 0.94rem; }
.si-welcome ul { list-style: none; padding: 0; margin: 0 0 4px; display: grid; gap: 10px; }
.si-welcome li { display: flex; gap: 10px; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.5; }
.si-welcome li svg { flex: none; margin-top: 2px; }
.si-ghost-dash { display: grid; gap: 12px; }
.si-ghost-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.si-ghost-box { height: 62px; border-radius: 12px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-light); position: relative; overflow: hidden; }
.si-ghost-box::after { content: ""; position: absolute; left: 10px; right: 40%; bottom: 10px; height: 6px; border-radius: 4px; background: rgba(148, 163, 184, 0.25); }
.si-ghost-box::before { content: ""; position: absolute; left: 10px; right: 62%; top: 10px; height: 5px; border-radius: 4px; background: rgba(148, 163, 184, 0.16); }
.si-ghost-chart { height: 150px; border-radius: 14px; border: 1px solid var(--border-light); background: rgba(255, 255, 255, 0.03); padding: 12px; }
.si-skel { border-radius: 14px; background: linear-gradient(100deg, rgba(255, 255, 255, 0.04) 30%, rgba(255, 255, 255, 0.09) 50%, rgba(255, 255, 255, 0.04) 70%); background-size: 220% 100%; animation: si-shimmer 1.3s linear infinite; }
@keyframes si-shimmer { from { background-position: 120% 0; } to { background-position: -120% 0; } }
.si-skel-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 14px; }

/* ------------------------------------------------------------------ stock header + metrics */
.si-stock { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 16px; }
.si-id { display: flex; align-items: center; gap: 14px; min-width: 0; }
.si-avatar {
  flex: none; width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.28), rgba(34, 197, 94, 0.28)); border: 1px solid var(--si-line);
  font-weight: 800; letter-spacing: 0.02em; font-size: 0.95rem;
}
.si-id h2 { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.si-id p { margin: 3px 0 0; color: var(--text-muted); font-size: 0.88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 46ch; }
.si-quote { text-align: right; }
.si-quote .si-px { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em; }
.si-quote .si-chg { font-size: 0.86rem; font-weight: 600; color: var(--text-muted); }
.si-up { color: #4ade80 !important; }
.si-down { color: #f87171 !important; }
.si-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.si-dates { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.si-date-chip {
  display: inline-flex; flex-direction: column; gap: 1px; padding: 8px 12px; border-radius: 12px;
  background: rgba(13, 24, 41, 0.8); border: 1px solid var(--border-light); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--text-dim);
}
.si-date-chip b { font-size: 0.86rem; letter-spacing: 0; text-transform: none; color: var(--text-secondary); font-weight: 600; }
.si-date-chip.si-stale b { color: #fbbf24; }
.si-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.si-metric {
  position: relative; padding: 18px 18px 16px; border-radius: 16px; overflow: hidden;
  background: var(--si-panel); border: 1px solid var(--si-line);
}
.si-metric::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--m, #60a5fa); opacity: 0.9; }
.si-metric::after { content: ""; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px; border-radius: 50%; background: radial-gradient(circle, var(--m, #60a5fa) 0%, transparent 70%); opacity: 0.1; }
.si-metric-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }
.si-metric-value { margin: 8px 0 4px; font-size: 1.85rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.si-metric-sub { font-size: 0.78rem; color: var(--text-muted); line-height: 1.45; }
.si-grid-2 { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; margin-bottom: 16px; }
.si-grid-eq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.si-insights { display: grid; gap: 10px; }
.si-insight { padding: 12px 14px; border-radius: 12px; background: rgba(255, 255, 255, 0.03); border-left: 3px solid #60a5fa; }
.si-insight:nth-child(2) { border-left-color: #a78bfa; }
.si-insight:nth-child(3) { border-left-color: #fbbf24; }
.si-insight b { display: block; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 4px; }
.si-insight p { margin: 0; color: var(--text-muted); font-size: 0.86rem; line-height: 1.55; }
.si-rows { display: grid; }
.si-row { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--border-light); font-size: 0.86rem; }
.si-row:last-child { border-bottom: 0; }
.si-row span:first-child { color: var(--text-muted); }
.si-row b { font-weight: 600; text-align: right; }
.si-seg { display: inline-flex; padding: 3px; border-radius: 10px; background: rgba(6, 11, 24, 0.7); border: 1px solid var(--border-light); }
.si-seg button { padding: 5px 11px; border-radius: 8px; border: 0; background: transparent; color: var(--text-muted); font: inherit; font-size: 0.78rem; font-weight: 700; cursor: pointer; }
.si-seg button.si-on { background: rgba(255, 255, 255, 0.1); color: #fff; }
.si-legend { display: flex; flex-wrap: wrap; gap: 14px; margin: 0 0 8px; font-size: 0.76rem; color: var(--text-muted); }
.si-legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }

/* ------------------------------------------------------------------ charts */
.si-chart { position: relative; width: 100%; height: 270px; }
.si-chart.si-short { height: 220px; }
.si-chart svg { display: block; width: 100%; height: 100%; overflow: visible; touch-action: pan-y; }
.si-grid-2 > .si-card { display: flex; flex-direction: column; }
.si-chart.si-grow { flex: 1 1 auto; height: auto; min-height: 270px; }
.si-chart.si-grow svg, .si-chart.si-grow .si-chart-empty { position: absolute; inset: 0; }
.si-chart text { fill: var(--text-dim); font-size: 11px; font-family: inherit; }
.si-tip {
  position: absolute; top: 6px; display: none; pointer-events: none; z-index: 3; padding: 9px 11px; border-radius: 10px;
  background: rgba(6, 11, 24, 0.97); border: 1px solid var(--si-line); box-shadow: var(--shadow-lg);
  font-size: 0.76rem; line-height: 1.55; white-space: pre; color: var(--text-secondary);
}
.si-chart-empty { display: grid; place-items: center; height: 100%; color: var(--text-dim); font-size: 0.86rem; }

/* ------------------------------------------------------------------ tables */
.si-table-wrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--border-light); }
.si-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; min-width: 560px; }
.si-table.si-compact { min-width: 0; font-size: 0.8rem; }
.si-table.si-compact th, .si-table.si-compact td { padding: 10px 8px; }
.si-table.si-compact th { white-space: normal; line-height: 1.3; vertical-align: bottom; }
.si-x { background: none; border: 0; color: var(--text-dim); cursor: pointer; font-size: 0.95rem; line-height: 1; padding: 6px 8px; border-radius: 8px; }
.si-x:hover { color: #f87171; background: rgba(248, 113, 113, 0.1); }
.si-x:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.si-table th { padding: 11px 12px; text-align: right; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--text-dim); background: rgba(6, 11, 24, 0.55); white-space: nowrap; }
.si-table th:first-child, .si-table td:first-child { text-align: left; }
.si-table td { padding: 11px 12px; text-align: right; border-top: 1px solid var(--border-light); color: var(--text-secondary); white-space: nowrap; font-variant-numeric: tabular-nums; }
.si-table tbody tr:hover { background: rgba(255, 255, 255, 0.025); }
.si-sort { background: none; border: 0; padding: 0; font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit; cursor: pointer; }
.si-sort:hover { color: #fff; }
.si-link { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; font-weight: 800; letter-spacing: 0.03em; color: #86efac; }
.si-link:hover { text-decoration: underline; }
.si-sub { display: block; margin-top: 2px; font-size: 0.72rem; color: var(--text-dim); font-weight: 500; letter-spacing: 0; }
.si-star { background: none; border: 0; cursor: pointer; font-size: 1.15rem; line-height: 1; color: var(--text-dim); padding: 2px 4px; }
.si-star:hover { color: #fbbf24; }
.si-sym { display: flex; align-items: center; gap: 8px; text-align: left; }
.si-trunc { max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.si-table.si-screen th, .si-table.si-screen td { padding: 10px 9px; }
.si-keynote { margin: 0 0 12px; font-size: 0.78rem; color: var(--text-dim); }
.si-star.si-saved { color: #fbbf24; }
.si-chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 0.7rem; font-weight: 700; background: rgba(148, 163, 184, 0.14); color: var(--text-secondary); }
.si-chip.si-ok { background: rgba(34, 197, 94, 0.14); color: #86efac; }
.si-chip.si-warn { background: rgba(251, 191, 36, 0.14); color: #fcd34d; }

/* ------------------------------------------------------------------ screener / watchlist */
.si-form-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; align-items: end; margin-top: 14px; }
.si-bar { height: 8px; border-radius: 6px; background: rgba(255, 255, 255, 0.07); overflow: hidden; }
.si-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--accent-gradient); transition: width 0.25s ease; }
.si-progress { margin: 16px 0 4px; }
.si-progress small { color: var(--text-muted); font-size: 0.8rem; display: block; margin-top: 6px; }
.si-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.si-note { color: var(--text-muted); font-size: 0.8rem; line-height: 1.55; margin: 10px 0 0; }
.si-rules { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.si-rules.si-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.si-check { display: inline-flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: 0.86rem; cursor: pointer; }
.si-check input { width: 16px; height: 16px; accent-color: #22c55e; }
.si-alerts { display: grid; gap: 10px; margin-top: 12px; }
.si-alert { display: flex; justify-content: space-between; gap: 14px; padding: 12px 14px; border-radius: 12px; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border-light); }
.si-alert p { margin: 4px 0 0; color: var(--text-muted); font-size: 0.82rem; line-height: 1.5; }
.si-alert time { color: var(--text-dim); font-size: 0.74rem; white-space: nowrap; }

/* ------------------------------------------------------------------ toast */
.si-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 90; max-width: min(92vw, 460px);
  padding: 12px 18px; border-radius: 12px; background: rgba(18, 30, 51, 0.98); border: 1px solid rgba(34, 197, 94, 0.4);
  box-shadow: var(--shadow-xl); color: var(--text-main); font-size: 0.88rem; line-height: 1.45;
}

/* ------------------------------------------------------------------ educational content */
.si-content { padding: 56px 0 24px; }
.si-content-inner { max-width: 880px; margin: 0 auto; }
.si-content h2 { font-size: clamp(1.45rem, 3vw, 1.9rem); font-weight: 800; letter-spacing: -0.025em; margin: 56px 0 14px; color: var(--text-main); scroll-margin-top: 90px; }
.si-content h2:first-child { margin-top: 0; }
.si-content h3 { font-size: 1.12rem; font-weight: 700; margin: 28px 0 8px; color: var(--text-main); }
.si-content p, .si-content li { color: var(--text-secondary); font-size: 1rem; line-height: 1.75; }
.si-content p { margin: 0 0 14px; }
.si-content ul, .si-content ol { padding-left: 22px; margin: 0 0 16px; }
.si-content li { margin-bottom: 8px; }
.si-content a { color: #86efac; text-decoration: underline; text-underline-offset: 3px; }
.si-content strong { color: var(--text-main); }
.si-defs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 18px 0 8px; }
.si-def { padding: 18px; border-radius: 16px; background: var(--si-panel); border: 1px solid var(--si-line); }
.si-def h3 { margin: 0 0 6px; font-size: 1rem; }
.si-def p { margin: 0; font-size: 0.9rem; line-height: 1.6; color: var(--text-muted); }
.si-def code { padding: 2px 7px; border-radius: 6px; background: rgba(255, 255, 255, 0.07); color: #fde68a; font-size: 0.84rem; }
.si-compare { width: 100%; border-collapse: collapse; margin: 14px 0 18px; font-size: 0.92rem; }
.si-compare th, .si-compare td { padding: 12px 14px; border: 1px solid var(--border-light); text-align: left; vertical-align: top; line-height: 1.55; color: var(--text-secondary); }
.si-compare th { background: rgba(6, 11, 24, 0.6); color: var(--text-main); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; }
.si-compare td:first-child { color: var(--text-main); font-weight: 600; white-space: nowrap; }
.si-steps { counter-reset: s; list-style: none; padding: 0 !important; display: grid; gap: 12px; }
.si-steps li { counter-increment: s; position: relative; padding: 14px 16px 14px 56px; border-radius: 14px; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border-light); margin: 0; }
.si-steps li::before { content: counter(s); position: absolute; left: 14px; top: 13px; width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: rgba(34, 197, 94, 0.15); color: #86efac; font-weight: 800; font-size: 0.86rem; }
.si-faq { display: grid; gap: 10px; margin-top: 8px; }
.si-faq details { border-radius: 14px; border: 1px solid var(--si-line); background: var(--si-panel); padding: 0 18px; }
.si-faq summary { cursor: pointer; padding: 16px 0; font-weight: 700; font-size: 1rem; color: var(--text-main); list-style: none; display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.si-faq summary::-webkit-details-marker { display: none; }
.si-faq summary::after { content: "+"; flex: none; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: rgba(255, 255, 255, 0.07); color: var(--text-secondary); font-weight: 700; }
.si-faq details[open] summary::after { content: "\2212"; }
.si-faq details p { padding-bottom: 6px; }
.si-related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 14px 0 24px; }
.si-related a { display: block; padding: 16px; border-radius: 14px; border: 1px solid var(--si-line); background: var(--si-panel); text-decoration: none; color: var(--text-main); transition: transform 0.15s, border-color 0.15s; }
.si-related a:hover { transform: translateY(-2px); border-color: rgba(34, 197, 94, 0.4); }
.si-related b { display: block; font-size: 0.96rem; margin-bottom: 4px; }
.si-related span { color: var(--text-muted); font-size: 0.84rem; line-height: 1.5; }
.si-disclaimer { margin: 36px 0 0; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--border-light); background: rgba(255, 255, 255, 0.025); color: var(--text-muted); font-size: 0.84rem; line-height: 1.65; }

/* ------------------------------------------------------------------ motion + responsive */
.si-rise { animation: si-rise 0.45s ease both; }
@keyframes si-rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .si-rise, .si-skel, .si-eyebrow .si-dot { animation: none !important; }
  .si-btn, .si-quick button, .si-related a { transition: none !important; }
}
@media (max-width: 980px) {
  .si-metrics, .si-skel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .si-grid-2, .si-grid-eq, .si-welcome { grid-template-columns: minmax(0, 1fr); }
  .si-form-grid, .si-rules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .si-wrap { padding: 0 16px; }
  .si-hero { padding: 40px 0 28px; }
  .si-facts, .si-defs, .si-related { grid-template-columns: minmax(0, 1fr); }
  .si-search { flex-direction: column; border-radius: 16px; }
  .si-search .si-btn { width: 100%; }
  .si-quote { text-align: left; }
  .si-metrics, .si-skel-grid { gap: 10px; }
  .si-metric { padding: 14px; }
  .si-metric-value { font-size: 1.45rem; }
  .si-card { padding: 16px; border-radius: 16px; }
  .si-tabs { width: 100%; }
  .si-tab { padding: 9px 13px; font-size: 0.84rem; }
  .si-chart { height: 230px; }
  .si-chart.si-grow { min-height: 230px; }
  .si-form-grid, .si-rules { grid-template-columns: minmax(0, 1fr); }
  .si-welcome { padding: 20px; }
  .si-ghost-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .si-compare { display: block; overflow-x: auto; }
  .si-content p, .si-content li { font-size: 0.96rem; }
}