:root {
  --bg-0: #081119;
  --bg-1: #0f1d2b;
  --bg-2: #13263a;
  --line: #22415c;
  --line-soft: #1a3348;
  --text: #dbe8f8;
  --muted: #8ea7bf;
  --accent: #4db1ff;
  --accent-soft: #204567;
  --good: #6de0a0;
  --bad: #ff9a9a;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 10% -20%, #1a3f62 0%, transparent 60%),
    radial-gradient(900px 600px at 100% 0%, #12304a 0%, transparent 50%),
    var(--bg-0);
}

.app-root {
  height: 100%;
}

.hidden { display: none !important; }

.auth-gate {
  height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(440px, 100%);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 38, 58, 0.96), rgba(10, 24, 36, 0.96));
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.45);
}

.auth-card h1 {
  margin: 0;
  font-size: 28px;
}

.auth-card p {
  margin: 12px 0 20px;
  color: var(--muted);
  line-height: 1.35;
}

.app-shell {
  height: 100%;
  display: grid;
  grid-template-rows: 64px 1fr 36px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 16px;
  background: rgba(9, 21, 32, 0.92);
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-title {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.3px;
}

.whoami {
  color: var(--muted);
  font-size: 13px;
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 0;
}

.column {
  min-height: 0;
  padding: 12px;
}

.nav-column {
  border-right: 1px solid var(--line-soft);
  background: rgba(12, 25, 38, 0.75);
}

.orders-column {
  background: rgba(8, 18, 28, 0.75);
}

.column-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 10px;
}

.market-nav {
  height: calc(100% - 28px);
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
}

.market-group {
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(12, 24, 37, 0.8);
}

.market-group-summary {
  cursor: pointer;
  list-style: none;
  padding: 9px 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  border-radius: 10px;
}

.market-group-summary::-webkit-details-marker {
  display: none;
}

.market-group[open] > .market-group-summary {
  color: var(--text);
  background: rgba(24, 46, 68, 0.45);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.market-group-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
}

.market-group.depth-1 .market-group-summary {
  font-size: 12px;
}

.market-group.depth-2 .market-group-summary {
  font-size: 11px;
}

.market-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line-soft);
  background: #0e1d2c;
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
}

.market-item:hover {
  background: #14263a;
}

.market-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.market-item .title {
  display: block;
  font-weight: 600;
  font-size: 14px;
}

.market-item .meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.table-wrap {
  height: calc(100% - 28px);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  overflow: auto;
  background: #0b1622;
  padding: 0;
}

.table-wrap.empty {
  padding: 14px;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

th {
  position: sticky;
  top: 0;
  background: #162b40;
}

tr:last-child td {
  border-bottom: 0;
}

.buy { color: var(--good); }
.sell { color: var(--bad); }

.statusbar {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--line-soft);
  padding: 0 14px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(8, 18, 28, 0.95);
}

.btn {
  border: 1px solid #2c5272;
  background: #15314a;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
}

.btn:hover {
  filter: brightness(1.1);
}

.btn-primary {
  background: #1a5f89;
  border-color: #3b8ec4;
}

.btn-ghost {
  background: transparent;
}

.search-input {
  width: 300px;
  max-width: 42vw;
  border: 1px solid var(--line-soft);
  background: #0e1d2c;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  outline: none;
}

.search-input:focus {
  border-color: var(--accent);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-rows: auto 1fr 36px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-left,
  .toolbar-right {
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 42% 58%;
  }

  .nav-column {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .search-input {
    width: 100%;
    max-width: none;
  }
}