:root {
  color-scheme: dark;
  --bg: #0f172a;
  --panel: #111c33;
  --panel-2: #07111f;
  --line: #28445f;
  --text: #e5f2ff;
  --muted: #9fb7cb;
  --cyan: #22d3ee;
  --green: #2df2a5;
  --red: #ff4d7d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}
button, input, select, textarea { max-width: 100%; }
.shell { width: min(1500px, calc(100% - 32px)); margin: 22px auto; }
.topbar, .hud, .filters, .panel, .login-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px;
}
.eyebrow { color: var(--cyan); margin: 0 0 4px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1, h2 { margin: 0; }
.subhead { color: var(--muted); margin: 6px 0 0; }
.logout, button {
  background: #0891b2;
  border: 1px solid #67e8f9;
  border-radius: 10px;
  color: #ecfeff;
  cursor: pointer;
  font-weight: 800;
  padding: 10px 16px;
  text-decoration: none;
}
.device-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}
.device-tabs a {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-weight: 800;
  padding: 10px 16px;
  text-decoration: none;
}
.device-tabs a.active {
  background: rgba(34, 211, 238, .16);
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(34, 211, 238, .22);
  color: #ecfeff;
}
.hud { display: grid; gap: 14px; grid-template-columns: 2fr 1fr 1fr; margin: 16px 0; padding: 16px; }
.metric {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.metric span { color: var(--muted); display: block; font-size: 13px; font-weight: 800; }
.metric strong { color: var(--text); display: block; font-size: 24px; margin-top: 8px; }
.metric.primary strong { color: var(--green); font-size: 38px; }
.filters {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  margin-bottom: 16px;
  padding: 16px;
}
label { color: var(--muted); display: grid; gap: 6px; font-size: 12px; font-weight: 800; }
input, select {
  background: var(--panel-2);
  border: 1px solid #35536f;
  border-radius: 10px;
  color: var(--text);
  min-height: 38px;
  padding: 8px 10px;
}
textarea {
  background: var(--panel-2);
  border: 1px solid #35536f;
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  line-height: 1.7;
  min-height: 170px;
  padding: 10px 12px;
  resize: vertical;
}
.panel { margin-top: 16px; padding: 18px; }
.panel h2 { margin-bottom: 14px; }
.panel-heading {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}
.settings-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
}
.settings-actions {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 13px;
  font-weight: 800;
  grid-column: 1 / -1;
  justify-content: space-between;
}
.saved-badge {
  background: rgba(45, 242, 165, .12);
  border: 1px solid var(--green);
  border-radius: 999px;
  color: var(--green);
  font-weight: 900;
  padding: 5px 12px;
}
.table-wrap { overflow: auto; }
table { border-collapse: collapse; min-width: 920px; width: 100%; }
th {
  background: #14243b;
  color: #9debff;
  font-weight: 900;
  text-align: right;
}
td, th { border-bottom: 1px solid #203850; padding: 10px; vertical-align: top; }
tbody tr:nth-child(even) { background: rgba(255, 255, 255, .025); }
code { color: #c7d2fe; white-space: pre-wrap; }
.pill {
  border-radius: 999px;
  display: inline-block;
  font-weight: 800;
  padding: 4px 10px;
}
.pill.deposit { background: rgba(45, 242, 165, .12); color: var(--green); }
.pill.withdrawal { background: rgba(255, 77, 125, .12); color: var(--red); }
.login-body { display: grid; min-height: 100vh; place-items: center; }
.login-card { padding: 28px; width: min(420px, calc(100% - 32px)); }
.login-card p { color: var(--muted); }
.login-card input, .login-card button { width: 100%; }
.login-card button { margin-top: 12px; }
.remember-row {
  align-items: center;
  display: flex;
  gap: 10px;
  grid-template-columns: none;
  justify-content: flex-start;
  margin-top: 12px;
}
.remember-row input {
  accent-color: var(--cyan);
  min-height: 18px;
  width: 18px;
}
.alert {
  background: rgba(255, 77, 125, .12);
  border: 1px solid var(--red);
  border-radius: 10px;
  color: #ffe4ec;
  margin: 12px 0;
  padding: 10px;
}
@media (max-width: 900px) {
  .hud, .filters, .settings-grid { grid-template-columns: 1fr; }
  .settings-actions { align-items: stretch; flex-direction: column; gap: 12px; }
  .topbar { align-items: flex-start; flex-direction: column; gap: 12px; }
}
@media (max-width: 560px) {
  .shell { width: min(100% - 20px, 1500px); margin: 10px auto; }
  .topbar, .hud, .filters, .panel, .login-card { border-radius: 10px; }
  .topbar, .panel, .filters, .hud { padding: 12px; }
  h1 { font-size: 24px; line-height: 1.15; }
  h2 { font-size: 18px; }
  .metric { padding: 12px; }
  .metric strong { font-size: 20px; }
  .metric.primary strong { font-size: 28px; }
  .device-tabs {
    flex-wrap: nowrap;
    margin: 12px -2px;
    overflow-x: auto;
    padding: 2px 2px 8px;
  }
  .device-tabs a {
    flex: 0 0 auto;
    padding: 9px 12px;
    white-space: nowrap;
  }
  textarea { min-height: 150px; }
  table { min-width: 760px; }
  td, th { padding: 9px 8px; }
  .login-card { padding: 22px; }
}