:root {
  --bg: #0f0f0f;
  --card: #1a1a1a;
  --card-hover: #202020;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --muted: #999999;
  --accent: #ffffff;
  --accent-text: #0f0f0f;
  --danger: #ff5c5c;
  --success: #5cff9d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100%;
}

a {
  color: inherit;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.header .brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 16px;
  text-decoration: none;
}

.header .user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  opacity: 0.85;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger {
  background: var(--danger);
  color: #1a0000;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 6px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.15s ease;
}

.tool-card:hover {
  background: var(--card-hover);
}

.tool-card .icon {
  font-size: 28px;
}

.tool-card .title {
  font-size: 16px;
  font-weight: 700;
}

.tool-card .desc {
  font-size: 13px;
  color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  background: #141414;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 16px;
  font-family: inherit;
}

input[type="range"] {
  width: 100%;
}

label {
  font-size: 13px;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.field {
  margin-bottom: 16px;
}

.error {
  color: var(--danger);
  font-size: 14px;
  margin-top: 8px;
}

.success-text {
  color: var(--success);
  font-size: 14px;
  margin-top: 8px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-admin {
  background: #3a2a00;
  color: #ffcc55;
}

.badge-user {
  background: #1e2a3a;
  color: #7fb2ff;
}

.badge-active {
  background: #0f2a1a;
  color: var(--success);
}

.badge-disabled {
  background: #2a0f0f;
  color: var(--danger);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.table-wrap {
  overflow-x: auto;
}

.section-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 32px 0 12px;
}

.loading {
  color: var(--muted);
  font-size: 14px;
  padding: 20px 0;
}

.footnote {
  color: var(--muted);
  font-size: 12px;
  margin-top: 24px;
  line-height: 1.5;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 360px;
}

.login-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.login-card p.sub {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 24px;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
}

.breakdown-row.total {
  border-bottom: none;
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 10px;
  font-weight: 700;
  font-size: 15px;
}

.breakdown-row .neg {
  color: var(--danger);
}

.breakdown-row .note {
  color: var(--muted);
  font-size: 12px;
  display: block;
}

.market-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 20px 0;
}

.market-tab {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.market-tab.active {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

.rates-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
}

.warning-banner {
  background: #3a2a00;
  color: #ffcc55;
  border: 1px solid #5a4200;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 640px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 16px;
}