:root {
  --bg0: #0f1a1c;
  --bg1: #152427;
  --bg2: #1c3034;
  --ink: #e8f0f1;
  --muted: #9bb0b4;
  --line: rgba(232, 240, 241, 0.12);
  --accent: #3dbea0;
  --accent-dim: #2a8f78;
  --danger: #e07a6a;
  --radius: 10px;
  --font: "DM Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 190, 160, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(70, 120, 140, 0.18), transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1) 45%, #101c1f);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

.brand {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.muted { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.9rem; }
.lede { margin: 0.35rem 0 0; color: var(--muted); max-width: 40rem; }
.empty { color: var(--muted); padding: 1.5rem 0; }

.shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  font-size: 0.95rem;
}

.nav a.is-active {
  color: var(--accent);
  font-weight: 600;
}

.periods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0.5rem;
}

.chip {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--muted);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.chip:hover,
.chip.is-active {
  color: var(--ink);
  border-color: var(--accent-dim);
  background: rgba(61, 190, 160, 0.12);
}

.hero-summary {
  margin: 1.5rem 0 1.25rem;
}

.hero-summary h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.currency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.currency-block {
  padding: 1.1rem 1.2rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(28, 48, 52, 0.85), rgba(21, 36, 39, 0.9));
}

.currency-block h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.currency-block dl {
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.currency-block dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.92rem;
}

.currency-block dt { color: var(--muted); }
.currency-block dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.86rem;
  text-align: right;
}

.currency-block .balance dd {
  color: var(--accent);
  font-weight: 500;
}

.currency-block .total-bonus dt {
  color: var(--ink);
  font-weight: 600;
}

.currency-block .total-bonus dd {
  color: #8fd9c4;
  font-weight: 600;
}

.breakdown {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.breakdown h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.currency-slice + .currency-slice {
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.slice-title {
  margin: 0 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  align-items: end;
}

.filters label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.filters input,
.auth__form input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(15, 26, 28, 0.65);
  color: var(--ink);
  font: inherit;
}

.filters button,
.auth__form button {
  padding: 0.7rem 1rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #06221c;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.filters button:hover,
.auth__form button:hover {
  background: #4fd0b0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15, 26, 28, 0.45);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

td.num { font-family: var(--mono); font-size: 0.82rem; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(61, 190, 160, 0.06); }

/* Auth */
.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.auth__panel {
  width: min(400px, 100%);
  padding: 2rem 1.75rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(165deg, rgba(28, 48, 52, 0.92), rgba(15, 26, 28, 0.95));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.auth__panel h1 {
  margin: 0.85rem 0 0;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.auth__form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

.auth__form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.alert {
  margin: 1rem 0 0;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  background: rgba(224, 122, 106, 0.15);
  color: #f0b4aa;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .top { align-items: flex-start; }
  .shell { width: min(100%, calc(100% - 1.25rem)); }
}