/* Component-library shell */
body { overflow-x: hidden; }
button:focus-visible, input:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-soft), 0 0 0 1px var(--accent);
}
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  height: 64px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) auto;
  align-items: center;
  padding: 0 24px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-bottom: 1px solid var(--hair);
  backdrop-filter: blur(16px);
}
.brand-lockup { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--accent); color: var(--cta-ink);
  font-size: 10px; font-weight: 700; letter-spacing: -0.04em;
  box-shadow: var(--shadow-sm);
}
.brand-name { font-size: 14px; font-weight: 650; letter-spacing: -0.01em; }
.brand-version {
  padding: 2px 6px; border: 1px solid var(--hair); border-radius: 6px;
  color: var(--ink3); font-size: 10px;
}
.top-search { width: min(460px, 48vw); justify-self: center; position: relative; }
.top-search svg {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--ink3); pointer-events: none;
}
.search {
  width: 100%; height: 38px; margin: 0; padding: 0 42px 0 38px;
  border: 1px solid var(--hair); border-radius: 10px;
  background: var(--bg); color: var(--ink);
  font-size: 13px; transition: border-color .2s, background .2s, box-shadow .2s;
}
.search:hover { border-color: color-mix(in srgb, var(--ink3) 48%, var(--hair)); }
.search-key {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  border: 1px solid var(--hair); border-bottom-width: 2px; border-radius: 5px;
  padding: 0 5px; color: var(--ink3); font-size: 10px; line-height: 20px;
}
.top-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 36px; height: 36px; border: 1px solid var(--hair); border-radius: 9px;
  display: grid; place-items: center; background: var(--surface); color: var(--ink2);
  transition: color .2s, border-color .2s, background .2s;
}
.icon-btn:hover { color: var(--ink); border-color: var(--ink3); background: var(--tile); }
.icon-btn svg { width: 17px; height: 17px; }
.app-shell {
  min-height: 100vh;
  padding-top: 64px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
}
.sidebar {
  position: fixed;
  top: 64px; bottom: 0; left: 0;
  width: 240px;
  display: flex; flex-direction: column;
  padding: 24px 14px 18px;
  background: var(--surface);
  border-right: 1px solid var(--hair);
  overflow-y: auto;
}
.side-kicker {
  padding: 0 10px 18px;
  color: var(--ink3); font-size: 11px; line-height: 1.55;
}
.side-label {
  padding: 0 10px; margin-bottom: 7px;
  color: var(--ink3); font-size: 10px; font-weight: 650;
  letter-spacing: .12em; text-transform: uppercase;
}
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-nav button {
  width: 100%; min-height: 38px; border: 0; border-radius: 8px;
  display: grid; grid-template-columns: 18px 1fr auto; align-items: center; gap: 9px;
  padding: 0 10px; background: transparent; color: var(--ink2);
  text-align: left; font-size: 13px; transition: background .18s, color .18s;
}
.side-nav button:hover { background: var(--tile); color: var(--ink); }
.side-nav button.is-on { background: var(--accent-soft); color: var(--accent-deep); font-weight: 600; }
.side-nav svg { width: 16px; height: 16px; }
.nav-count { color: var(--ink3); font-size: 11px; font-weight: 500; }
.side-nav button.is-on .nav-count { color: var(--accent); }
.sidebar-foot { margin-top: auto; padding: 18px 10px 0; border-top: 1px solid var(--hair); }
.sidebar-foot p { margin-bottom: 10px; color: var(--ink3); font-size: 10px; letter-spacing: .08em; }
.palettes { display: flex; gap: 8px; }
.pal {
  position: relative; width: 28px; height: 28px; border: 0; outline: 0;
  border-radius: 50%; background: transparent; box-shadow: none;
}
.pal::before {
  content: ""; position: absolute; inset: 6px; border-radius: 50%; background: var(--c);
  box-shadow: 0 0 0 1px var(--hair);
}
.pal.is-on { outline: 0; box-shadow: none; }
.pal.is-on::before { box-shadow: 0 0 0 2px var(--surface), 0 0 0 3px var(--accent); }
.main { grid-column: 2; min-width: 0; }
.page-head {
  padding: 38px 36px 26px;
  border-bottom: 1px solid var(--hair);
  background: var(--surface);
}
.breadcrumb { margin-bottom: 18px; color: var(--ink3); font-size: 12px; }
.breadcrumb span { color: var(--ink2); }
.head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.page-head h1 {
  margin-bottom: 8px; font-size: clamp(27px, 3vw, 38px);
  font-weight: 680; letter-spacing: -0.035em; line-height: 1.12;
}
.page-head p { max-width: 650px; color: var(--ink2); font-size: 14px; }
.head-stat { color: var(--ink3); font-size: 12px; white-space: nowrap; }
.principles {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--hair); background: var(--surface);
}
.principle { padding: 18px 24px; border-right: 1px solid var(--hair); }
.principle:last-child { border-right: 0; }
.principle b { display: block; margin-bottom: 4px; font-size: 12px; font-weight: 650; }
.principle span { color: var(--ink3); font-size: 11px; }
.lab {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  align-items: start;
  border: 0;
}
.wall { min-width: 0; padding: 28px 30px 80px; border-right: 1px solid var(--hair); }
.canvas-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 18px;
  margin-bottom: 16px;
}
.canvas-head h2 { font-size: 14px; font-weight: 650; }
.count { width: auto; margin: 0; color: var(--ink3); font-size: 11px; letter-spacing: 0; }
.canvas-filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px; }
.canvas-filters button {
  min-height: 32px; padding: 0 10px; border: 1px solid var(--hair); border-radius: 8px;
  background: var(--surface); color: var(--ink3); font-size: 10px;
}
.canvas-filters button.is-on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-deep); }
body.animations-paused *, body.animations-paused *::before, body.animations-paused *::after {
  animation-play-state: paused !important;
}
.sheet {
  display: grid;
  grid-template-columns: repeat(auto-fill, 176px);
  justify-content: start;
  gap: 12px; background: transparent; border: 0;
}
.spec {
  width: 176px; height: 176px; min-height: 0; padding: 0;
  display: flex; flex-direction: column; gap: 0;
  border: 1px solid var(--hair); border-radius: 14px;
  background: var(--surface); box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .2s, border-color .2s, box-shadow .2s;
  content-visibility: auto; contain-intrinsic-size: 176px;
  cursor: pointer;
}
.spec:hover {
  background: var(--surface); border-color: color-mix(in srgb, var(--accent) 42%, var(--hair));
  box-shadow: 0 10px 28px rgba(40, 42, 70, 0.08);
  transform: translateY(-2px);
}
.spec.is-on {
  background: var(--surface); border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-sm);
}
.spec:focus-visible {
  outline: 0; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), 0 0 0 1px var(--accent);
}
.spec__stage {
  flex: 1; min-height: 0; margin: 0; border-radius: 0;
  pointer-events: none; overflow: hidden;
  background:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px),
    var(--bg);
  background-size: 16px 16px;
}
.spec__stage > .ui-demo {
  width: 168%; min-height: 160px; padding: 12px; transform: scale(.52);
  transform-origin: center; box-shadow: none;
}
.spec__caption {
  flex: 0 0 48px; display: grid; align-content: center; gap: 2px;
  padding: 0 10px; border-top: 1px solid var(--hair); background: var(--surface);
}
.spec__cat {
  color: var(--ink3); font-size: 9px; font-weight: 650; letter-spacing: .06em;
}
.spec__name {
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  font-family: var(--sans); font-size: 12px; font-weight: 650; line-height: 1.3;
}
.spec__en, .spec__meta, .spec__summary { display: none; }
.spec__stage * { animation-play-state: paused !important; }
.spec.is-visible .spec__stage *,
.spec:hover .spec__stage *,
.spec:focus-visible .spec__stage * { animation-play-state: running !important; }
.empty-state {
  display: none; padding: 64px 24px; border: 1px dashed var(--hair); border-radius: 14px;
  text-align: center; color: var(--ink3);
}
.empty-state.is-visible { display: block; }
.empty-state b { display: block; margin-bottom: 6px; color: var(--ink); font-size: 15px; }
.empty-state button {
  margin-top: 16px; min-height: 36px; padding: 0 12px; border: 1px solid var(--hair);
  border-radius: 8px; background: var(--surface); color: var(--ink);
}
.inspect {
  top: 64px; min-height: calc(100vh - 64px); max-height: calc(100vh - 64px);
  padding: 0; overflow-y: auto; background: var(--surface);
}
.detail-preview {
  height: 220px; display: grid; place-items: center;
  background:
    radial-gradient(circle at center, var(--accent-soft), transparent 48%),
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 20px 20px, 20px 20px, auto;
  border-bottom: 1px solid var(--hair);
}
.detail-preview > * { transform: scale(1.45); }
.detail-body { padding: 24px 24px 44px; }
.detail-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.device-badge {
  flex: 0 0 auto; padding: 4px 7px; border: 1px solid var(--hair); border-radius: 999px;
  color: var(--ink3); font-size: 9px; letter-spacing: .04em;
}
.eyebrow {
  margin-bottom: 8px; color: var(--accent); font-size: 10px;
  font-weight: 650; letter-spacing: .13em; text-transform: uppercase;
}
.inspect h2 { font-family: var(--sans); font-size: 24px; letter-spacing: -.025em; }
.inspect__en { margin: 3px 0 22px; font-size: 11px; letter-spacing: .05em; }
.meta { gap: 0; margin-bottom: 22px; border-top: 1px solid var(--hair); }
.meta > div { padding: 13px 0; border-bottom: 1px solid var(--hair); }
.meta h3 { margin-bottom: 5px; color: var(--ink3); font-size: 10px; letter-spacing: .1em; }
.meta p { color: var(--ink2); font-size: 12px; line-height: 1.6; }
.tabs { margin: 0; padding: 3px; gap: 2px; background: var(--tile); border-radius: 9px; }
.tabs button {
  flex: 1; padding: 7px 10px; border-radius: 7px;
  font-size: 11px; letter-spacing: .02em;
}
.tabs button.is-on { color: var(--ink); background: var(--surface); box-shadow: var(--shadow-sm); }
.prompt {
  margin-top: 12px; max-height: 250px; padding: 14px;
  border: 1px solid var(--hair); border-radius: 10px;
  background: var(--bg); color: var(--ink2);
}
.row { display: grid; grid-template-columns: 1fr auto; }
.btn { border-radius: 9px; font-weight: 600; }
.btn--soft { border: 1px solid var(--hair); background: var(--surface); }
.note { padding-top: 18px; border-top: 1px solid var(--hair); }