:root {
  --bg: #050607;
  --panel: #0c1014;
  --panel-2: #111820;
  --line: rgba(212, 168, 67, 0.18);
  --line-strong: rgba(212, 168, 67, 0.36);
  --text: #f8f3ea;
  --muted: rgba(248, 243, 234, 0.64);
  --dim: rgba(248, 243, 234, 0.43);
  --gold: #d4a843;
  --green: #21c07a;
  --cyan: #4cc9f0;
  --red: #ff7b7b;
  --amber: #f7b955;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
}

.gallery-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr);
}

.gallery-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  background: #080a0d;
}

.nav-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 10px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 8px;
}

.nav-item + .nav-item {
  margin-top: 8px;
}

.nav-item span:first-child {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--gold);
}

.nav-item.active,
.nav-item:hover,
.nav-item:focus-visible {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(212, 168, 67, 0.08);
  outline: none;
}

.gallery-main {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 28px clamp(18px, 3vw, 34px) 42px;
}

.gallery-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: end;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(32px, 4vw, 58px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.header-copy {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.link-button,
.filter-pill,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.link-button:hover,
.filter-pill:hover,
.copy-button:hover,
.link-button:focus-visible,
.filter-pill:focus-visible,
.copy-button:focus-visible {
  border-color: var(--line-strong);
  outline: none;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(7, minmax(112px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.status-tile {
  min-height: 84px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.status-tile span {
  display: block;
  min-height: 32px;
  color: var(--text);
  font-size: 28px;
  font-weight: 850;
  line-height: 1;
}

.status-tile small {
  display: block;
  margin-top: 7px;
  color: var(--dim);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.operator-band {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto 220px;
  gap: 12px;
  align-items: end;
  padding: 14px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.search-box,
.select-filter {
  display: grid;
  gap: 7px;
  color: var(--dim);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.search-box input,
.select-filter select {
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: #07090c;
  color: var(--text);
  padding: 0 12px;
  outline: none;
}

.search-box input:focus,
.select-filter select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.16);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-pill {
  min-height: 42px;
}

.filter-pill.active {
  color: #07090c;
  background: var(--gold);
  border-color: var(--gold);
  font-weight: 800;
}

.gallery-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(420px, 1.35fr);
  gap: 14px;
  align-items: start;
}

.block-list-panel,
.detail-panel,
.surface-panel,
.card-panel,
.engine-panel,
.proof-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.block-list-panel,
.detail-panel {
  min-height: 620px;
}

.panel-head {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 13px;
  border-bottom: 1px solid var(--line);
}

.subtle-count {
  color: var(--dim);
  font-size: 12px;
}

.block-list {
  max-height: 620px;
  overflow: auto;
  padding: 10px;
}

.block-row {
  width: 100%;
  min-height: 78px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin: 0 0 8px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: #090d12;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.block-row:hover,
.block-row:focus-visible,
.block-row.active {
  border-color: var(--line-strong);
  outline: none;
}

.block-row.active {
  background: rgba(212, 168, 67, 0.08);
}

.row-main {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.row-main strong {
  overflow-wrap: anywhere;
}

.row-main small,
.row-side {
  color: var(--muted);
  font-size: 12px;
}

.row-side {
  min-width: 80px;
  text-align: right;
}

.detail-panel {
  padding: 18px;
}

.detail-empty {
  display: grid;
  min-height: 580px;
  place-items: center;
  color: var(--dim);
  text-align: center;
  line-height: 1.6;
}

.detail-kicker {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.detail-title {
  margin: 8px 0 10px;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.05;
  letter-spacing: 0;
}

.detail-copy {
  color: var(--muted);
  line-height: 1.55;
}

.chip-row,
.path-list,
.mini-grid,
.queue-list,
.lane-list,
.engine-list,
.gate-list,
.env-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.chip.good {
  border-color: rgba(33, 192, 122, 0.34);
  color: #8de7bc;
}

.chip.warn {
  border-color: rgba(247, 185, 85, 0.34);
  color: var(--amber);
}

.detail-section {
  margin-top: 22px;
}

.detail-section h3 {
  margin: 0 0 10px;
  color: var(--dim);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.path-list {
  display: grid;
}

.path-pill {
  display: block;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: #080b0f;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.copy-button {
  min-width: 154px;
}

.copy-feedback {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  color: var(--green);
  font-size: 13px;
}

.lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.surface-panel {
  min-height: 360px;
}

.lane-list,
.queue-list {
  display: grid;
  padding: 12px;
}

.lane-item,
.queue-item,
.engine-item,
.gate-item,
.env-item {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: #090d12;
  padding: 12px;
}

.lane-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.card-panel,
.engine-panel {
  margin-top: 14px;
}

.engine-card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 14px;
  padding: 14px;
}

.engine-card-grid h3 {
  margin: 0 0 10px;
  color: var(--dim);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.engine-card-list,
.partner-fit-list {
  display: grid;
  gap: 10px;
}

.engine-card-item,
.partner-fit-item {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: #090d12;
}

.engine-card-item p,
.partner-fit-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

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

.copy-button.small {
  min-width: 132px;
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.engine-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 14px;
  padding: 14px;
}

.engine-grid h3,
.engine-queue h3 {
  margin: 0 0 10px;
  color: var(--dim);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.engine-list,
.gate-list {
  display: grid;
}

.engine-item,
.gate-item {
  display: grid;
  gap: 10px;
}

.engine-topline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.engine-item strong,
.gate-item strong {
  display: block;
  margin-bottom: 5px;
}

.engine-item small,
.gate-item small,
.next-move {
  color: var(--muted);
  line-height: 1.45;
}

.engine-item p,
.gate-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.compact-paths {
  gap: 6px;
}

.compact-paths .path-pill {
  padding: 8px 10px;
  font-size: 11px;
}

.engine-queue {
  padding: 0 14px 14px;
}

.queue-list.compact {
  padding: 0;
}

.lane-item strong,
.queue-item strong,
.env-item strong {
  display: block;
  margin-bottom: 5px;
}

.lane-item small,
.queue-item small,
.env-item small {
  color: var(--muted);
  line-height: 1.45;
}

.state-label {
  align-self: start;
  min-height: 26px;
  padding: 5px 8px;
  border: 1px solid rgba(33, 192, 122, 0.32);
  border-radius: 8px;
  color: #8de7bc;
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.state-label.blocked {
  border-color: rgba(255, 123, 123, 0.32);
  color: #ffb1b1;
}

.proof-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1.2fr);
  gap: 18px;
  align-items: start;
  margin-top: 14px;
  padding: 18px;
}

.proof-panel p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.env-list {
  display: grid;
}

.env-item {
  border-color: rgba(255, 123, 123, 0.22);
}

.env-item strong {
  color: #ffb1b1;
}

.load-error {
  padding: 18px;
  border: 1px solid rgba(255, 123, 123, 0.32);
  border-radius: 8px;
  color: #ffb1b1;
  background: rgba(255, 123, 123, 0.08);
}

@media (max-width: 1120px) {
  /* minmax(0,1fr), not 1fr: a bare `1fr` track keeps min-width:auto, so the
     sidebar's 5 x 132px min-width nav items pushed the track to 554px and the
     whole page scrolled sideways on a 390px phone. The overflow-x:auto below
     could never fire because its own track refused to shrink. */
  .gallery-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .gallery-sidebar {
    position: static;
    height: auto;
    display: flex;
    gap: 8px;
    min-width: 0;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-item {
    min-width: 132px;
  }

  .gallery-header,
  .gallery-grid,
  /* minmax(0,1fr), not 1fr. A bare 1fr keeps min-width:auto, so the unbreakable env-var
     names inside .env-item held the proof panel at 492px against a 390px viewport and the
     page scrolled sideways — measured 133px of real horizontal scroll on a phone. */
  .lower-grid,
  .engine-card-grid,
  .engine-grid,
  .proof-panel,
  .operator-band {
    grid-template-columns: minmax(0, 1fr);
  }

  /* Bisected: hiding .proof-panel took the page from 133px of real horizontal scroll to 0, so
     this panel alone was the source. Widening its TRACK was not enough — every grid item still
     carries min-width:auto, so #envList refused to shrink below the min-content of the
     unbreakable env-var names inside it, and held the panel at 492px on a 390px viewport.
     min-width:0 on the items plus a break rule on the tokens is what actually lets it fit. */
  .proof-panel > * {
    min-width: 0;
  }

  .env-item,
  .env-item strong,
  .env-item small,
  #proofSummary {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .status-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .gallery-main {
    padding: 20px 12px 34px;
  }

  .status-strip {
    grid-template-columns: 1fr;
  }

  .filter-group,
  .header-actions {
    display: grid;
  }

  .block-list-panel,
  .detail-panel {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}