/* ==========================================================================
   Source to Sink: terminal / cyber theme (dark only)
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg: #05080a;
  --surface: #0a1210;
  --surface-2: #0e1a16;               /* hovered rows, inputs */
  --grid: rgba(61, 255, 122, 0.06);
  --line: #16302a;
  --green: #3dff7a;
  --cyan: #2ec5ff;
  --text: #eef5f0;
  --muted: #7f9a8c;
  --red: #ff4d6d;
  --amber: #ffc857;

  --glow: 0 0 0 1px rgba(61, 255, 122, 0.55), 0 0 18px rgba(61, 255, 122, 0.14);
  --font: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --radius: 4px;

  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  background-attachment: fixed;
}

a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: var(--text); }

h1, h2, h3 { margin: 0; line-height: 1.1; }

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

::selection { background: var(--green); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
  border-radius: 2px;
}

.wrap {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}

main { padding-bottom: 64px; }
main:focus { outline: none; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.muted { color: var(--muted); }

.skip-link {
  position: absolute;
  left: 8px;
  top: -48px;
  padding: 8px 12px;
  background: var(--bg);
  color: var(--green);
  border: 1px solid var(--green);
  z-index: 20;
}
.skip-link:focus { top: 8px; }

/* ---------- Header ---------- */
.site-header {
  background: rgba(5, 8, 10, 0.88);
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { color: var(--text); }
.brand-name {
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: -4px;
  background: var(--green);
  animation: blink 1.1s steps(1, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.tagline { margin: 0; color: var(--muted); font-size: 0.78rem; }

.header-auth {
  margin-left: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.user-info { color: var(--muted); font-size: 0.82rem; }
.user-info strong { color: var(--green); font-weight: 500; }

.logo { display: block; flex: none; }
.logo-source { fill: var(--green); }
.logo-path { fill: none; stroke: var(--cyan); stroke-width: 2.5; stroke-linejoin: miter; }
.logo-redact { fill: var(--bg); }
.logo-sink { fill: none; stroke: var(--text); stroke-width: 2; }

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 14px;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  background: transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.btn-primary { color: var(--green); border: 1px solid var(--green); }
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--green);
  color: var(--bg);
  box-shadow: 0 0 18px rgba(61, 255, 122, 0.35);
}
.btn-ghost { color: var(--text); border: 1px solid var(--muted); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--green); color: var(--green); }
.btn-large { padding: 12px 22px; font-size: 0.9rem; }

/* ---------- Cards with corner brackets ---------- */
.card, .table-wrap, .state, .stat-card, .landing-hero {
  --bk: 12px;
  --bk-c: var(--green);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(var(--bk-c), var(--bk-c)) top left / var(--bk) 2px,
    linear-gradient(var(--bk-c), var(--bk-c)) top left / 2px var(--bk),
    linear-gradient(var(--bk-c), var(--bk-c)) top right / var(--bk) 2px,
    linear-gradient(var(--bk-c), var(--bk-c)) top right / 2px var(--bk),
    linear-gradient(var(--bk-c), var(--bk-c)) bottom left / var(--bk) 2px,
    linear-gradient(var(--bk-c), var(--bk-c)) bottom left / 2px var(--bk),
    linear-gradient(var(--bk-c), var(--bk-c)) bottom right / var(--bk) 2px,
    linear-gradient(var(--bk-c), var(--bk-c)) bottom right / 2px var(--bk),
    var(--surface);
  background-repeat: no-repeat;
  background-origin: border-box;
}

/* ---------- Titles and labels ---------- */
.page-head { margin-bottom: 20px; }
.page-head + .page-head, .section-head { margin-top: 40px; }

.eyebrow {
  display: block;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}
.eyebrow::before { content: "● "; content: "● " / ""; color: var(--green); }
.eyebrow::after { content: " ●"; content: " ●" / ""; color: var(--green); }

.poster {
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.95;
  overflow-wrap: anywhere;
}
.poster-sm { font-size: clamp(1.3rem, 4vw, 1.8rem); }
.hl-green { color: var(--green); }
.hl-cyan { color: var(--cyan); }

.title {
  font-size: clamp(1.35rem, 4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.page-head p, .lead {
  margin: 10px 0 0;
  color: var(--muted);
}

/* ---------- Pills ---------- */
.pill {
  display: inline-block;
  padding: 1px 9px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  vertical-align: middle;
}
.pill-blocked { color: var(--red); background: rgba(255, 77, 109, 0.08); }
.pill-passed { color: var(--green); background: rgba(61, 255, 122, 0.06); }
.pill-private { color: var(--muted); margin-left: 8px; font-weight: 500; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 520px; }
th, td { padding: 12px 16px; text-align: left; vertical-align: middle; }
th {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
tbody tr + tr td { border-top: 1px solid var(--line); }
tbody tr[data-href] { cursor: pointer; transition: background-color 0.15s, box-shadow 0.15s; }
tbody tr[data-href]:hover,
tbody tr[data-href]:focus-within {
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px rgba(61, 255, 122, 0.5), inset 0 0 18px rgba(61, 255, 122, 0.06);
}
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pr-link { color: var(--text); text-decoration: none; font-weight: 500; }
.pr-link:hover { color: var(--green); text-decoration: underline; }
.pr-num { color: var(--green); margin-right: 8px; }
.repo { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 2px; }
.when { color: var(--muted); white-space: nowrap; font-size: 0.85rem; }
.empty-row td { color: var(--muted); text-align: center; padding: 28px 16px; }

/* Sortable headers */
.sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}
.sort-btn:hover { color: var(--text); }
th[aria-sort="ascending"] .sort-btn,
th[aria-sort="descending"] .sort-btn { color: var(--green); }
.sort-arrow { display: inline-block; width: 1ch; }
th.num .sort-btn { flex-direction: row-reverse; }

/* ---------- Filter bar ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 28px 0 12px;
}
.filter-btn, .chip {
  padding: 5px 12px;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--muted);
  border-radius: 2px;
  cursor: pointer;
}
.filter-btn:hover, .chip:hover:not(:disabled) { color: var(--text); border-color: var(--text); }
.filter-btn[aria-pressed="true"] {
  color: var(--green);
  border-color: var(--green);
  background: rgba(61, 255, 122, 0.08);
}
.search-wrap {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 240px;
  justify-content: flex-end;
}
.search-input {
  width: 100%;
  max-width: 280px;
  padding: 6px 10px;
  font: inherit;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--muted);
  border-radius: 2px;
}
.search-input::placeholder { color: var(--muted); opacity: 1; }
.search-input:focus-visible { outline-offset: 0; border-color: var(--green); }
.kbd-hint { color: var(--muted); font-size: 0.72rem; white-space: nowrap; }
kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0 5px;
  font-size: 0.72rem;
  text-align: center;
  color: var(--text);
  border: 1px solid var(--muted);
  border-bottom-width: 2px;
  border-radius: 3px;
}

/* ---------- Back link and meta ---------- */
.back {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.85rem;
  text-decoration: none;
}
.back:hover { text-decoration: underline; }

.detail-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
}
.detail-head h1 { flex: 1 1 320px; }
.detail-head .pill { margin-top: 6px; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.verdict {
  margin: 18px 0 0;
  font-size: 1.05rem;
  font-weight: 500;
}
.verdict::before { content: "> "; content: "> " / ""; color: var(--muted); }
.verdict-blocked { color: var(--red); }
.verdict-passed { color: var(--green); }

/* ---------- Repo stats ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 2fr);
  gap: 12px;
  margin-top: 24px;
}
.stat-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px 18px 14px;
  min-width: 0;
}
.stat-num {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.stat-blocked { color: var(--red); }
.stat-passed { color: var(--green); }
.stat-label {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}
.stat-fields { justify-content: flex-start; }
.stat-fields .stat-label { margin: 0 0 10px; }
.top-fields { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 0.85rem; }
.top-fields li { display: flex; justify-content: space-between; gap: 12px; min-width: 0; }
.top-fields .field-name { color: var(--cyan); overflow-wrap: anywhere; }
.top-fields .field-count { color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- Chart ---------- */
.chart-card { position: relative; margin-top: 12px; padding: 16px 18px 12px; }
.chart-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 10px;
}
.chart-head .stat-label { margin: 0; }
.legend { display: flex; gap: 14px; font-size: 0.72rem; color: var(--muted); }
.legend span::before {
  content: "";
  display: inline-block;
  width: 9px; height: 9px;
  margin-right: 6px;
  vertical-align: -1px;
}
.legend .lg-blocked::before { background: var(--red); }
.legend .lg-passed::before { background: var(--green); }
.chart { display: block; width: 100%; height: 140px; overflow: visible; }
.chart .bar { outline: none; cursor: default; }
.chart .hit { fill: transparent; }
.chart .bar:hover .hit, .chart .bar:focus .hit { fill: rgba(61, 255, 122, 0.08); }
.chart .bar:focus-visible .hit { stroke: var(--green); stroke-width: 2; }
.chart .b-blocked { fill: var(--red); }
.chart .b-passed { fill: var(--green); }
.chart .b-empty { fill: var(--line); }
.chart-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.chart-tip {
  position: absolute;
  z-index: 2;
  padding: 6px 10px;
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--green);
  border-radius: 2px;
  pointer-events: none;
  transform: translate(-50%, -100%);
}
.chart-tip[hidden] { display: none; }
.chart-tip .t-blocked { color: var(--red); }
.chart-tip .t-passed { color: var(--green); }

/* ---------- Scan detail: toolbar ---------- */
.detail-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 26px 0 14px;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; }
.chip-count { color: var(--text); font-variant-numeric: tabular-nums; }
.chip-high { color: var(--red); border-color: var(--red); }
.chip-medium { color: var(--amber); border-color: var(--amber); }
.chip-low { color: var(--muted); border-color: var(--muted); }
.chip-high[aria-pressed="true"] { background: rgba(255, 77, 109, 0.14); }
.chip-medium[aria-pressed="true"] { background: rgba(255, 200, 87, 0.12); }
.chip-low[aria-pressed="true"] { background: rgba(127, 154, 140, 0.16); }
.chip[aria-pressed="true"] { box-shadow: inset 0 -2px 0 currentColor; }
.chip:disabled { opacity: 0.45; cursor: not-allowed; }
.copy-wrap { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.copy-status { color: var(--green); font-size: 0.8rem; min-width: 7ch; }

/* ---------- Finding cards ---------- */
.findings { display: grid; gap: 14px; }

.finding {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--muted);
  border-radius: var(--radius);
  padding: 18px 20px 16px;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.finding:hover, .finding:focus-within { box-shadow: var(--glow); }
.finding.sev-high { border-left-color: var(--red); }
.finding.sev-medium { border-left-color: var(--amber); }
.finding.sev-low { border-left-color: var(--muted); }
.finding[hidden] { display: none; }

/* Flow line: ● field ━━━━━━▶ sink ▢ */
.flow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 14px;
}
.flow-field, .flow-sink {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  overflow-wrap: anywhere;
}
.flow-field { color: var(--green); }
.flow-sink { color: var(--text); }
.flow-field::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(61, 255, 122, 0.6);
}
.flow-sink::after {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border: 2px solid var(--text);
  border-radius: 1px;
}
.flow-line {
  position: relative;
  flex: 1 1 48px;
  min-width: 48px;
  height: 2px;
  margin-right: 8px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(46, 197, 255, 0.5);
}
.flow-line::after {
  content: "";
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 9px solid var(--cyan);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
/* A packet travels along the line once when the card appears. */
.flow-line::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  opacity: 0;
  animation: packet 1.1s ease-in-out 0.15s 1 both;
}
@keyframes packet {
  0%   { left: 0; opacity: 0; }
  10%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { left: calc(100% - 8px); opacity: 0; }
}

.finding-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 16px;
  font-size: 0.8rem;
  color: var(--muted);
}
.finding-meta .loc { color: var(--text); }
.sev { font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; }
.sev-text-high { color: var(--red); }
.sev-text-medium { color: var(--amber); }
.sev-text-low { color: var(--muted); }

.toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font: inherit;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
}
.toggle:hover { border-color: var(--cyan); }
.toggle .chev { display: inline-block; transition: transform 0.15s; }
.toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }

.finding-body { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.finding-body[hidden] { display: none; }
.finding-body p { margin: 0 0 8px; }
.finding-body p:last-child { margin-bottom: 0; }
.fix-label { color: var(--green); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.8rem; }

/* ---------- States ---------- */
.state {
  padding: 36px 24px;
  text-align: center;
  color: var(--muted);
}
.state h2 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 1.05rem;
  text-transform: lowercase;
}
.state p { margin: 4px 0; }
.state.error { --bk-c: var(--red); border-color: rgba(255, 77, 109, 0.5); }
.state.error h2 { color: var(--red); }
.state button { margin-top: 14px; }
.state-passed h2 { color: var(--green); }
.loading::after {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 1em;
  margin-left: 4px;
  vertical-align: -2px;
  background: var(--green);
  animation: blink 1.1s steps(1, end) infinite;
}

/* ---------- Landing ---------- */
.landing { display: grid; gap: 28px; }
.landing-hero { padding: clamp(28px, 6vw, 56px) clamp(20px, 5vw, 48px); --bk: 18px; }
.landing-hero .poster {
  font-size: clamp(1.9rem, 8.5vw, 4.6rem);
  line-height: 0.92;
}
.landing-hero .poster span { display: block; }
.landing-lead {
  margin: 22px 0 26px;
  max-width: 60ch;
  color: var(--muted);
  font-size: 1rem;
}
.tags {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
}
.landing-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.step {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.step p { margin: 6px 0 0; color: var(--muted); font-size: 0.88rem; }
.step-num { color: var(--green); font-weight: 700; letter-spacing: 0.1em; }
.step-num::before { content: "0"; }

details { font-size: 0.88rem; }
details summary {
  cursor: pointer;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}
.quickstart-inline { margin-top: 16px; text-align: left; }
.code-block {
  margin: 12px 0 0;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* ---------- Narrow screens ---------- */
@media (max-width: 760px) {
  .stats-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat-fields { grid-column: 1 / -1; }
  .landing-steps { grid-template-columns: 1fr; }
  .tagline { order: 3; flex-basis: 100%; }
}

@media (max-width: 640px) {
  body { font-size: 14px; }
  .site-header { position: static; margin-bottom: 24px; }
  .col-when { display: none; }
  table { min-width: 420px; }
  th, td { padding: 10px 12px; }
  .stat-card { padding: 14px 12px 10px; }
  .search-wrap { margin-left: 0; justify-content: flex-start; flex-basis: 100%; }
  .search-input { max-width: none; }
  .copy-wrap { margin-left: 0; }

  .flow { flex-direction: column; align-items: flex-start; gap: 8px; }
  .flow-line {
    flex: none;
    width: 2px;
    height: 28px;
    min-width: 0;
    margin: 0 0 8px 4px;
  }
  .flow-line::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: -8px;
    transform: translateX(-50%);
    border-top: 9px solid var(--cyan);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 0;
  }
  .flow-line::before { left: 50%; margin: 0 0 0 -4px; top: 0; animation-name: packet-v; }
}
@keyframes packet-v {
  0%   { top: 0; opacity: 0; }
  10%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { top: calc(100% - 8px); opacity: 0; }
}

/* Keyboard hints are noise on touch-only devices. */
@media (hover: none) and (pointer: coarse) {
  .kbd-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
  .flow-line::before { display: none; }
}