:root {
  --bg: #0d1117;
  --panel: #151b24;
  --panel-strong: #1d2530;
  --text: #edf2f7;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #4f8cff;
}

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

.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 28px 20px;
  background: #090d13;
  border-right: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 32px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--accent);
}

.nav-link {
  color: var(--muted);
  border-radius: 8px;
}

.nav-link.active,
.nav-link:hover {
  color: var(--text);
  background: var(--panel-strong);
}

.main {
  padding: 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.eyebrow,
.muted {
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 12px;
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 30px;
  font-weight: 800;
}

h2 {
  font-size: 18px;
  font-weight: 750;
}

.exchange-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.exchange-card,
.panel,
.empty-state {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}

.exchange-card {
  padding: 20px;
}

.exchange-card-head,
.details-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.exchange-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--panel-strong);
}

.exchange-icon.large {
  width: 64px;
  height: 64px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.details-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.details-list.wide {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.details-list div {
  padding: 12px;
  background: var(--panel-strong);
  border-radius: 8px;
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.card-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.card-actions {
  margin-top: 18px;
}

.panel {
  max-width: 980px;
  padding: 24px;
}

.wide-panel {
  max-width: 100%;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.empty-state {
  display: grid;
  place-items: start;
  gap: 12px;
  max-width: 620px;
  padding: 40px;
}

.empty-state.embedded {
  max-width: 100%;
  padding: 24px;
  margin-top: 20px;
  background: var(--panel-strong);
  box-shadow: none;
}

.table {
  --bs-table-bg: transparent;
  --bs-table-border-color: var(--line);
  margin-bottom: 0;
}

.table th {
  color: #cbd5e1;
  font-size: 12px;
  text-transform: uppercase;
  white-space: nowrap;
}

.table td {
  color: var(--text);
  vertical-align: middle;
}

.data-table td,
.data-table th {
  font-size: 13px;
}

.card-actions.compact {
  margin-top: 0;
  flex-wrap: nowrap;
}

.pagination-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.modal-content {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.modal-header,
.modal-footer {
  border-color: var(--line);
}

.delete-warning-list {
  margin: 12px 0 0;
  color: #fca5a5;
}

.control-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px;
}

.short-input {
  width: 140px;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.compact-heading {
  font-size: 15px;
  margin-bottom: 12px;
}

.form-control,
.form-select {
  color: var(--text);
  background-color: var(--panel-strong);
  border-color: var(--line);
}

.form-control:focus,
.form-select:focus {
  color: var(--text);
  background-color: var(--panel-strong);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(79, 140, 255, 0.2);
}

.form-label {
  color: #cbd5e1;
  font-weight: 700;
}

.form-actions {
  margin-top: 28px;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    padding: 14px 18px;
  }

  .brand {
    margin-bottom: 0;
  }

  .main {
    padding: 20px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading {
    flex-direction: column;
  }

  .pagination-bar {
    align-items: flex-start;
    flex-direction: column;
  }
}