:root {
  --space-0: #050816;
  --space-1: #08111f;
  --space-2: #0b1020;
  --space-3: #101827;
  --space-line: rgba(174, 205, 236, .16);
  --space-line-strong: rgba(174, 205, 236, .28);
  --signal-white: #e8f3ff;
  --signal-muted: #91a5bb;
  --signal-blue: #64c8ff;
  --signal-cyan: #7ef0ff;
  --signal-purple: #9f8cff;
  --signal-warm: #fff6d6;
  --signal-gold: #f1d38a;
  --ease-signal: cubic-bezier(.23, 1, .32, 1);
}

html {
  background: var(--space-0);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--signal-white);
  background: var(--space-0);
  overflow-x: hidden;
}

body,
button,
input {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

a { color: inherit; }

.signal-hero {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 720px;
  overflow: hidden;
  background: var(--space-0);
  isolation: isolate;
}

.cosmos-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--space-0);
  isolation: isolate;
}

.cosmos-field::before,
.cosmos-field::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.cosmos-field::before {
  inset: 0;
  z-index: 0;
  background: #02040a;
}

.cosmos-field::after {
  inset: 0;
  z-index: 0;
  box-shadow: inset 0 0 180px rgba(0, 0, 0, .66), inset 0 -120px 150px rgba(1, 4, 12, .48);
}

.idea-field-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  outline: none;
  cursor: grab;
  touch-action: pan-y;
}

.idea-field-canvas:active { cursor: grabbing; }

.idea-field-labels {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.signal-nav {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 12;
  width: min(1240px, calc(100% - 48px));
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(203, 224, 246, .12);
  transform: translateX(-50%);
}

.signal-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--signal-white);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
}

.signal-logo-mark {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(126, 240, 255, .68);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(100, 200, 255, .2);
}

.signal-logo-mark::before,
.signal-logo-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(126, 240, 255, .32);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.signal-logo-mark::before { width: 10px; height: 10px; }
.signal-logo-mark::after { width: 3px; height: 3px; border: 0; background: var(--signal-warm); box-shadow: 0 0 10px var(--signal-gold); }

.signal-logo small {
  color: #71849b;
  font-size: 9px;
  font-weight: 680;
}

.signal-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.signal-nav-links a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 11px;
  border: 1px solid transparent;
  color: rgba(232, 243, 255, .62);
  font-size: 11px;
  font-weight: 680;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 180ms ease, transform 140ms var(--ease-signal);
}

.signal-nav-links .nav-enter {
  margin-left: 7px;
  padding: 0 16px;
  border-color: rgba(126, 240, 255, .34);
  color: var(--signal-white);
  background: rgba(11, 25, 42, .7);
}

.signal-nav-links a:active,
.hero-action:active,
.archive-upload:active { transform: scale(.97); }

.hero-copy {
  position: absolute;
  top: 50%;
  left: max(24px, calc((100vw - 1240px) / 2));
  z-index: 9;
  width: min(620px, calc(100vw - 48px));
  transform: translateY(-48%);
  pointer-events: none;
}

.hero-copy > * { pointer-events: auto; }

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: rgba(126, 240, 255, .72);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  font-weight: 760;
  text-transform: uppercase;
}

.hero-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--signal-cyan);
  box-shadow: 0 0 10px rgba(126, 240, 255, .48);
}

.hero-copy h1 {
  max-width: 610px;
  margin: 0;
  color: var(--signal-white);
  text-wrap: balance;
  font-size: 64px;
  line-height: 1.04;
  font-weight: 590;
  letter-spacing: 0;
  text-shadow: 0 0 34px rgba(100, 200, 255, .09);
}

.hero-copy .lead {
  max-width: 540px;
  margin: 24px 0 0;
  color: rgba(216, 232, 249, .68);
  font-size: 17px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
}

.hero-action {
  position: relative;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(126, 240, 255, .32);
  padding: 0 18px;
  color: var(--signal-white);
  background: rgba(7, 18, 32, .72);
  font-size: 12px;
  font-weight: 720;
  overflow: hidden;
  transition: border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease, transform 140ms var(--ease-signal);
}

.hero-action.primary {
  border-color: rgba(126, 240, 255, .56);
  background: rgba(18, 55, 77, .72);
  box-shadow: inset 0 0 24px rgba(100, 200, 255, .05), 0 0 22px rgba(100, 200, 255, .06);
}

.hero-action.secondary {
  border-color: rgba(159, 140, 255, .28);
  color: rgba(232, 243, 255, .76);
}

.hero-action::after {
  content: "";
  position: absolute;
  left: -30%;
  bottom: 0;
  width: 30%;
  height: 1px;
  background: var(--signal-cyan);
  box-shadow: 0 0 8px rgba(126, 240, 255, .8);
  opacity: 0;
  transition: transform 220ms var(--ease-signal), opacity 160ms ease;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
}

.hero-metric {
  display: grid;
  gap: 5px;
}

.hero-metric strong {
  color: var(--signal-white);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 15px;
  font-weight: 720;
}

.hero-metric span {
  color: rgba(155, 177, 201, .5);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
}

.atlas-head {
  position: absolute;
  top: 106px;
  left: max(24px, calc((100vw - 1240px) / 2));
  right: max(24px, calc((100vw - 1240px) / 2));
  z-index: 6;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(145, 165, 187, .36);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 9px;
  font-weight: 680;
  text-transform: uppercase;
  pointer-events: none;
}

.field-hub-label {
  position: absolute;
  z-index: 2;
  min-height: 20px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  background: transparent;
  color: rgba(245, 249, 255, .82);
  padding: 2px 4px;
  font: inherit;
  white-space: nowrap;
  opacity: .76;
  pointer-events: none;
  cursor: pointer;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .9), 0 0 12px rgba(133, 190, 235, .24);
  transition: opacity 160ms ease, color 160ms ease, transform 180ms var(--ease-signal);
}

.field-hub-label.is-visible,
.field-hub-label.is-active,
.field-hub-label:focus-visible { opacity: 1; }

.field-hub-label[hidden],
.field-node-link[hidden] { display: none; }

.field-hub-label strong {
  font-size: 10px;
  line-height: 1;
  font-weight: 560;
}

.field-hub-label span {
  color: rgba(218, 230, 242, .56);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
}

.field-hub-label.is-active {
  color: var(--signal-white);
  background: transparent;
  box-shadow: none;
}

.field-hub-label.is-active span { color: rgba(232, 243, 255, .7); }
.field-hub-label.is-empty { opacity: 0; }

.field-hub-label:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

.field-node-link {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid transparent;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.field-node-link:focus-visible {
  opacity: 1;
  border-color: var(--signal-white);
  outline: 4px solid rgba(126, 240, 255, .12);
  outline-offset: 2px;
}

.node-preview {
  position: absolute;
  right: max(24px, calc((100vw - 1240px) / 2));
  bottom: 112px;
  left: auto;
  z-index: 8;
  width: 330px;
  min-height: 80px;
  padding: 13px 15px;
  border: 1px solid rgba(174, 205, 236, .16);
  background: rgba(3, 8, 17, .56);
  color: var(--signal-white);
  pointer-events: none;
  transition: opacity 160ms ease, transform 180ms var(--ease-signal);
}

.node-preview.is-changing { opacity: .72; transform: translateY(2px); }

.node-preview span {
  display: block;
  margin-bottom: 6px;
  color: rgba(126, 240, 255, .52);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
  font-weight: 720;
  text-transform: uppercase;
}

.node-preview strong {
  display: block;
  font-size: 14px;
  line-height: 1.3;
  font-weight: 680;
}

.node-preview p {
  margin-top: 5px;
  color: rgba(201, 217, 234, .58);
  font-size: 10px;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.system-readout {
  position: absolute;
  bottom: 50px;
  z-index: 8;
  display: grid;
  gap: 5px;
  color: rgba(146, 168, 190, .38);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
  line-height: 1.35;
  text-transform: uppercase;
  pointer-events: none;
}

.system-readout.left { left: max(24px, calc((100vw - 1240px) / 2)); }
.system-readout.right { right: max(24px, calc((100vw - 1240px) / 2)); text-align: right; }
.system-readout b { color: rgba(232, 243, 255, .6); font-weight: 640; }

.next-peek {
  position: absolute;
  left: 50%;
  bottom: 0;
  z-index: 10;
  width: min(1240px, calc(100% - 48px));
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(174, 205, 236, .14);
  color: rgba(172, 195, 218, .42);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.next-peek::after { content: "↓"; color: rgba(126, 240, 255, .6); font-size: 12px; }

.field-fallback {
  position: absolute;
  inset: 20% 8% 18%;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
  gap: 14px;
}

.field-fallback button {
  min-height: 84px;
  border: 1px solid rgba(174, 205, 236, .14);
  background: rgba(8, 17, 31, .72);
  color: var(--signal-white);
  font: inherit;
  cursor: pointer;
}

.field-fallback button strong,
.field-fallback button span { display: block; }
.field-fallback button strong { font-size: 12px; }
.field-fallback button span { margin-top: 7px; color: var(--signal-muted); font-size: 9px; }
.webgl-ready .field-fallback { display: none; }
.field-failed .idea-field-canvas,
.field-failed .idea-field-labels { display: none; }

.archive-shell {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  padding: 76px 0 84px;
}

.archive-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--space-line);
}

.archive-kicker {
  margin-bottom: 10px;
  color: rgba(126, 240, 255, .52);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
}

.archive-head h2 {
  margin: 0;
  color: var(--signal-white);
  font-size: 38px;
  line-height: 1.08;
  font-weight: 650;
}

.archive-head p {
  max-width: 620px;
  margin: 12px 0 0;
  color: rgba(181, 202, 224, .54);
  font-size: 14px;
  line-height: 1.7;
}

.archive-upload {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(126, 240, 255, .28);
  padding: 0 15px;
  color: rgba(232, 243, 255, .78);
  background: rgba(10, 22, 38, .66);
  font-size: 11px;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease, transform 140ms var(--ease-signal);
}

.explorer {
  padding-top: 26px;
  border-top: 0;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(240px, .78fr) minmax(0, 1.22fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 28px;
}

.search {
  width: 100%;
  height: 46px;
  border: 1px solid var(--space-line);
  border-radius: 2px;
  background: rgba(9, 18, 32, .82);
  color: var(--signal-white);
  padding: 0 14px;
  font-size: 13px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.search::placeholder { color: rgba(151, 174, 198, .38); }
.search:focus { border-color: rgba(126, 240, 255, .5); box-shadow: 0 0 0 3px rgba(100, 200, 255, .06); }

.segments {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  min-width: 0;
}

.seg {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  color: rgba(170, 193, 216, .5);
  padding: 0 9px;
  font: inherit;
  font-size: 11px;
  font-weight: 670;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease, transform 140ms var(--ease-signal);
}

.seg-count {
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
  opacity: .7;
}

.seg.active {
  border-color: var(--space-line-strong);
  background: rgba(14, 28, 46, .78);
  color: var(--signal-white);
}

.seg:active { transform: scale(.97); }

.collection { margin-top: 0; }

.section-label {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 0 0 14px;
  border-top: 0;
  color: rgba(155, 179, 203, .42);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 9px;
  font-weight: 680;
  text-transform: uppercase;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 14px;
}

.card {
  position: relative;
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 276px;
  padding: 20px;
  border: 1px solid var(--space-line);
  border-top: 1px solid var(--type-color);
  border-radius: 3px;
  background: rgba(9, 18, 32, .82);
  color: var(--signal-white);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms var(--ease-signal), background-color 180ms ease;
}

.card.wide { grid-column: span 7; }
.card.narrow { grid-column: span 5; }
.card.solo { grid-column: span 12; min-height: 240px; }

.card::after {
  content: "";
  position: absolute;
  right: -26px;
  bottom: -26px;
  width: 96px;
  height: 96px;
  border: 1px solid var(--type-color);
  border-radius: 50%;
  opacity: .1;
  pointer-events: none;
}

.type-people { --type-color: #d9544d; --type-soft: rgba(217, 84, 77, .12); }
.type-competitive { --type-color: #27a07d; --type-soft: rgba(39, 160, 125, .12); }
.type-market { --type-color: #e39a35; --type-soft: rgba(227, 154, 53, .12); }
.type-product { --type-color: #4f84ec; --type-soft: rgba(79, 132, 236, .12); }
.type-prototype { --type-color: #a783db; --type-soft: rgba(167, 131, 219, .12); }

.card.uploaded .card-top { padding-right: 76px; }
.card:focus-visible { border-color: var(--type-color); box-shadow: 0 0 0 3px var(--type-soft); outline: none; }

.card-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.idea-index {
  color: var(--type-color);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  font-weight: 760;
}

.idea-index::after {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  margin: 0 3px 3px 8px;
  background: var(--type-color);
  opacity: .5;
}

.eyebrow { color: var(--type-color); font-size: 11px; font-weight: 760; }

.status {
  color: rgba(241, 211, 138, .76);
  background: rgba(93, 73, 34, .22);
  padding: 4px 7px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 680;
}

.card h2 {
  max-width: 94%;
  margin-top: 15px;
  color: var(--signal-white);
  font-size: 26px;
  line-height: 1.18;
  font-weight: 650;
  letter-spacing: 0;
}

.subtitle { margin-top: 7px; color: rgba(174, 197, 221, .5); font-size: 12px; line-height: 1.45; }

.uploader {
  display: inline-flex;
  width: fit-content;
  margin-top: 10px;
  border: 1px solid var(--space-line);
  border-radius: 2px;
  background: rgba(14, 27, 44, .68);
  color: rgba(208, 225, 242, .64);
  padding: 5px 8px;
  font-size: 10px;
  line-height: 1;
  font-weight: 680;
}

.verdict { color: rgba(198, 216, 234, .66); font-size: 13px; line-height: 1.62; }
.card-bottom { display: grid; gap: 12px; margin-top: auto; }

.card-facts {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(153, 177, 202, .42);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
}

.card-facts span + span::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  margin: 0 10px 2px 0;
  border-radius: 50%;
  background: var(--type-color);
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { color: rgba(177, 199, 221, .5); background: rgba(21, 36, 55, .7); padding: 5px 7px; border-radius: 2px; font-size: 10px; line-height: 1; }

.delete {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  min-height: 30px;
  border: 1px solid rgba(222, 105, 90, .3);
  border-radius: 2px;
  background: rgba(74, 25, 24, .3);
  color: rgba(255, 171, 159, .8);
  padding: 0 10px;
  font: inherit;
  font-size: 10px;
  font-weight: 720;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-3px);
  transition: opacity 160ms ease, transform 180ms var(--ease-signal), border-color 160ms ease;
}

.card.uploaded:focus-within .delete { opacity: 1; pointer-events: auto; transform: translateY(0); }
.delete:active { transform: scale(.97); }

.empty {
  display: none;
  border: 1px dashed var(--space-line);
  background: rgba(9, 18, 32, .65);
  padding: 28px;
  color: rgba(176, 198, 220, .54);
  font-size: 13px;
}

@media (hover: hover) and (pointer: fine) {
  .signal-nav-links a:hover { color: var(--signal-white); border-color: rgba(126, 240, 255, .16); background: rgba(15, 29, 47, .46); }
  .signal-nav-links .nav-enter:hover { border-color: rgba(126, 240, 255, .56); box-shadow: 0 0 22px rgba(100, 200, 255, .1); }
  .hero-action:hover { border-color: rgba(126, 240, 255, .72); box-shadow: 0 0 28px rgba(100, 200, 255, .1); }
  .hero-action:hover::after { opacity: 1; transform: translateX(430%); }
  .field-hub-label:hover { color: #fff; opacity: 1; }
  .archive-upload:hover { border-color: rgba(126, 240, 255, .52); color: var(--signal-white); }
  .seg:hover { color: rgba(232, 243, 255, .8); border-color: var(--space-line); }
  .card:hover { border-color: var(--type-color); background: rgba(12, 24, 41, .94); box-shadow: 0 12px 34px rgba(0, 0, 0, .24); transform: translateY(-3px); }
  .card.uploaded:hover .delete { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .delete:hover { border-color: rgba(255, 151, 136, .56); }
}

@media (max-width: 980px) {
  .signal-nav { width: calc(100% - 32px); }
  .signal-nav-links a:not(.nav-enter) { display: none; }
  .hero-copy { left: 24px; width: min(560px, calc(100% - 48px)); }
  .hero-copy h1 { font-size: 58px; }
  .system-readout.left { left: 24px; }
  .system-readout.right { right: 24px; }
  .node-preview { right: 24px; }
  .archive-shell { width: calc(100% - 32px); }
  .toolbar { grid-template-columns: 1fr; }
  .segments { justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
  .seg { flex: 0 0 auto; }
  .card.wide, .card.narrow { grid-column: span 6; }
}

@media (max-width: 680px) {
  .signal-hero { min-height: 720px; }
  .signal-nav { min-height: 66px; width: calc(100% - 24px); }
  .signal-logo small { display: none; }
  .signal-nav-links .nav-enter { min-height: 34px; padding: 0 12px; }
  .atlas-head { top: 82px; left: 14px; right: 14px; }
  .hero-copy { top: 38%; left: 18px; width: calc(100% - 36px); transform: translateY(-44%); }
  .hero-kicker { margin-bottom: 14px; }
  .hero-copy h1 { max-width: 360px; font-size: 45px; line-height: 1.04; }
  .hero-copy .lead { max-width: 340px; margin-top: 18px; font-size: 14px; line-height: 1.65; }
  .hero-actions { margin-top: 24px; gap: 9px; }
  .hero-action { min-height: 42px; padding: 0 13px; font-size: 11px; }
  .hero-metrics { gap: 20px; margin-top: 24px; }
  .hero-metric strong { font-size: 13px; }
  .field-hub-label { min-height: 18px; gap: 3px; padding: 1px 2px; opacity: .72; }
  .field-hub-label strong { font-size: 8px; }
  .field-hub-label span { font-size: 7px; }
  .node-preview { display: none; }
  .system-readout { bottom: 46px; }
  .system-readout.left { left: 14px; }
  .system-readout.right { right: 14px; }
  .next-peek { width: calc(100% - 28px); }
  .field-fallback { inset: 16% 14px 17%; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .archive-shell { width: calc(100% - 24px); padding: 56px 0 60px; }
  .archive-head { grid-template-columns: 1fr; gap: 20px; }
  .archive-head h2 { font-size: 32px; }
  .archive-upload { width: fit-content; }
  .grid { grid-template-columns: 1fr; }
  .card, .card.wide, .card.narrow, .card.solo { grid-column: 1; min-height: 250px; padding: 18px; }
  .card h2 { font-size: 23px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .signal-nav-links a,
  .hero-action,
  .archive-upload,
  .field-hub-label,
  .seg,
  .card,
  .delete { transition-duration: 0ms; }
}