:root {
  color-scheme: dark;
  --bg: #060807;
  --panel: rgba(16, 18, 18, 0.86);
  --panel-strong: rgba(25, 27, 27, 0.92);
  --line: rgba(236, 230, 210, 0.18);
  --line-strong: rgba(236, 230, 210, 0.34);
  --text: #f5f0df;
  --muted: #a8afa9;
  --soft: #6e7671;
  --accent: #f4d442;
  --cyan: #56d6ff;
  --green: #45d17b;
  --danger: #ff6b5f;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 14%, rgba(244, 212, 66, 0.16), transparent 30%),
    radial-gradient(circle at 86% 22%, rgba(86, 214, 255, 0.12), transparent 28%),
    linear-gradient(135deg, #050606 0%, #0c0d0b 52%, #050606 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

.market-shell {
  width: min(1420px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 22px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(54px, 9vw, 132px);
  line-height: 0.88;
  letter-spacing: 0;
}

.lede {
  max-width: 850px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.42;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.contract-card,
.panel,
.rails {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.contract-card {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.contract-label,
.contract-note,
.counter {
  color: var(--muted);
  font-size: 13px;
}

.contract-card strong {
  display: block;
  margin: 8px 0 14px;
  color: var(--cyan);
  font-size: 21px;
  overflow-wrap: anywhere;
}

.contract-status {
  margin-top: 10px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  align-self: flex-start;
  font-size: 12px;
  color: var(--muted);
}

.contract-status[data-kind="ok"] {
  border-color: color-mix(in srgb, var(--green) 55%, transparent);
  color: var(--green);
}

.contract-status[data-kind="error"] {
  border-color: color-mix(in srgb, var(--danger) 55%, transparent);
  color: var(--danger);
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 16px;
  align-items: center;
  margin: 0 0 16px;
}

.model-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 0.78fr) minmax(240px, 0.42fr);
  gap: 22px;
  align-items: stretch;
  margin: 0 0 16px;
}

.model-copy p {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

.model-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.stat-tile {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  padding: 12px;
}

.stat-tile b {
  display: block;
  color: var(--text);
  font-size: 26px;
  line-height: 1;
}

.stat-tile span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.module-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.module-chip {
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 7px 9px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.module-core {
  border-color: rgba(244, 212, 66, 0.58);
  color: var(--text);
  background: rgba(244, 212, 66, 0.09);
}

.module-module {
  border-style: dashed;
  opacity: 0.76;
}

.b2b-diagram {
  position: relative;
  min-height: 330px;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(rgba(244, 212, 66, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 212, 66, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 50% 35%, rgba(92, 54, 231, 0.28), transparent 36%),
    rgba(5, 6, 6, 0.58);
  background-size: 34px 34px, 34px 34px, auto, auto;
}

.node {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, #6038f0, #4217bc);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 22px 54px rgba(79, 36, 207, 0.28);
}

.node-market {
  top: 34px;
  left: 50%;
  transform: translateX(-50%);
}

.node-buyers {
  right: 38px;
  top: 160px;
  background: linear-gradient(135deg, #56d6ff, #255ecf);
  box-shadow: 0 22px 54px rgba(86, 214, 255, 0.18);
}

.seller-stack {
  position: absolute;
  left: 42px;
  top: 126px;
  z-index: 2;
  display: grid;
  gap: 12px;
}

.node-seller {
  position: relative;
  min-width: 126px;
  min-height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, #4f2cc4, #35117f);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  font-weight: 750;
}

.node-seller::before,
.node-market::before,
.node-buyers::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 1px solid rgba(255, 255, 255, 0.66);
}

.flow-line {
  position: absolute;
  z-index: 1;
  border-color: rgba(236, 230, 210, 0.32);
}

.flow-left {
  left: 104px;
  top: 82px;
  width: 310px;
  height: 118px;
  border-top: 1px solid;
  border-left: 1px solid;
  border-bottom: 1px solid;
}

.flow-right {
  right: 98px;
  top: 82px;
  width: 250px;
  height: 124px;
  border-top: 1px solid;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.flow-loop {
  left: 152px;
  right: 156px;
  bottom: 48px;
  height: 62px;
  border-left: 1px solid rgba(86, 214, 255, 0.28);
  border-right: 1px solid rgba(86, 214, 255, 0.28);
  border-bottom: 1px solid rgba(86, 214, 255, 0.28);
}

.flow-label {
  position: absolute;
  z-index: 3;
  border: 1px solid var(--line);
  background: rgba(5, 6, 6, 0.82);
  color: var(--accent);
  padding: 5px 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.flow-label.rfq {
  left: 196px;
  top: 92px;
}

.flow-label.quote {
  right: 188px;
  top: 118px;
}

.flow-label.thread {
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  color: var(--cyan);
}

.model-lanes {
  display: grid;
  gap: 10px;
}

.model-lanes article {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  padding: 14px;
}

.model-lanes strong {
  display: block;
  margin-bottom: 7px;
  color: var(--text);
}

.model-lanes span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.42;
}

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

.tab {
  min-height: 36px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  padding: 7px 12px;
  cursor: pointer;
}

.tab[aria-selected="true"] {
  border-color: rgba(244, 212, 66, 0.72);
  color: var(--text);
  background: rgba(244, 212, 66, 0.12);
}

.search {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search input,
.listing-form input,
.listing-form select,
.listing-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 12px 13px;
  outline: none;
}

.search input:focus,
.listing-form input:focus,
.listing-form select:focus,
.listing-form textarea:focus {
  border-color: rgba(86, 214, 255, 0.62);
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 16px;
}

.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel-head.compact {
  margin-top: 26px;
}

.panel h2,
.rails h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.1;
}

.listing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.listing-card {
  min-height: 236px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018));
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.listing-card h3 {
  margin: 0;
  font-size: 20px;
}

.listing-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.42;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.pill {
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 5px 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pill.status-listed {
  color: var(--green);
  border-color: rgba(69, 209, 123, 0.42);
}

.pill.status-review {
  color: var(--accent);
  border-color: rgba(244, 212, 66, 0.48);
}

.listing-actions {
  display: flex;
  gap: 8px;
}

.listing-actions button,
.listing-form button {
  border: 1px solid var(--line-strong);
  background: var(--text);
  color: #060807;
  font-weight: 800;
  padding: 11px 13px;
  cursor: pointer;
}

.listing-actions button[disabled] {
  cursor: not-allowed;
  opacity: 0.52;
}

.listing-form {
  display: grid;
  gap: 13px;
}

.listing-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.queue-list {
  display: grid;
  gap: 10px;
}

.queue-item {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 13px;
}

.queue-item strong {
  display: block;
  margin-bottom: 6px;
}

.queue-item span {
  color: var(--muted);
  font-size: 13px;
}

.queue-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.queue-actions button {
  flex: 1;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.queue-actions .mod-approve:hover {
  border-color: color-mix(in srgb, var(--green) 60%, transparent);
  color: var(--green);
}

.queue-actions .mod-reject:hover {
  border-color: color-mix(in srgb, var(--danger) 60%, transparent);
  color: var(--danger);
}

.rails {
  margin-top: 16px;
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 430px);
  gap: 26px;
}

.rails p,
.rails li {
  color: var(--muted);
  line-height: 1.5;
}

.rails ol {
  margin: 0;
  padding-left: 22px;
}

.empty {
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  padding: 28px;
  text-align: center;
}

@media (max-width: 1040px) {
  .hero,
  .grid,
  .rails,
  .model-panel,
  .toolbar {
    grid-template-columns: 1fr;
  }

  .listing-grid {
    grid-template-columns: 1fr;
  }

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

  .b2b-diagram {
    min-height: 300px;
  }
}

@media (max-width: 620px) {
  .market-shell {
    width: min(100vw - 24px, 1420px);
    padding-top: 22px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}