:root {
  --bg: #070913;
  --panel: #10172a;
  --panel-2: #121c33;
  --line: rgba(255,255,255,.08);
  --text: #f7f8ff;
  --muted: #9aa7bd;
  --blue: #4d7cff;
  --blue-2: #244CB8;
  --green: #47d18c;
  --orange: #ffb86b;
  --red: #ff6b6b;
  --shadow: 0 18px 55px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(77,124,255,.18), transparent 35%), var(--bg);
  color: var(--text);
}

.shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(8,13,25,.9);
  padding: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 28px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #5b8cff, #173a91);
  font-weight: 950;
  box-shadow: var(--shadow);
}

.brand h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

nav {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
}

nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,.04);
  border-color: var(--line);
}

.auth-card {
  display: grid;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px;
}

#authState {
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

input, select, button {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
  padding: 12px 13px;
  border-radius: 14px;
  outline: none;
}

button {
  cursor: pointer;
  background: linear-gradient(180deg, #477aff, #173a91);
  font-weight: 800;
}

button.ghost {
  background: rgba(255,255,255,.06);
}

main {
  padding: 28px;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-bottom: 22px;
}

.topbar h2 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.topbar p {
  margin: 5px 0 0;
  color: var(--muted);
}

.controls {
  display: flex;
  gap: 10px;
  min-width: 300px;
}

.grid {
  display: grid;
  gap: 16px;
}

.cards {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-bottom: 16px;
}

.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

.card, .panel {
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.card {
  padding: 18px;
}

.card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  min-height: 34px;
}

.card strong {
  display: block;
  margin-top: 10px;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.panel {
  padding: 20px;
  overflow: hidden;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.panel-title h3 {
  margin: 0;
  font-size: 18px;
}

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

.bars {
  display: grid;
  gap: 12px;
}

.bar-row {
  display: grid;
  gap: 7px;
}

.bar-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.bar-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green));
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

th {
  color: var(--text);
  font-weight: 800;
}

td strong {
  display: block;
  color: var(--text);
  font-size: 14px;
}

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

.conversion div {
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}

.conversion span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.conversion strong {
  display: block;
  margin-top: 8px;
  font-size: 26px;
}

footer {
  color: var(--muted);
  font-size: 13px;
  padding: 10px 0 30px;
}

code {
  color: #b8c7ff;
}

@media (max-width: 1100px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: stretch; }
  .controls { min-width: 0; }
}

@media (max-width: 640px) {
  main, .sidebar { padding: 16px; }
  .cards { grid-template-columns: 1fr; }
  .controls { flex-direction: column; }
  th:nth-child(3), td:nth-child(3), th:nth-child(4), td:nth-child(4) { display: none; }
}