:root {
  --bg: #091521;
  --bg-soft: #12263a;
  --bg-card: rgba(10, 22, 34, 0.72);
  --line: rgba(180, 220, 255, 0.16);
  --text: #ecf6ff;
  --muted: #a2bed5;
  --accent: #37d2ff;
  --accent-2: #67ffcf;
  --gold: #ffd371;
  --danger: #ff7d7d;
  --radius: 16px;
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Sora', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 0%, #193451 0%, var(--bg) 42%), linear-gradient(130deg, #0a1725 0%, #112136 55%, #07121c 100%);
  min-height: 100vh;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 90% 0%, rgba(55, 210, 255, 0.18), transparent 36%),
    radial-gradient(circle at 10% 80%, rgba(103, 255, 207, 0.12), transparent 42%);
}

.layout {
  width: min(1300px, 95vw);
  margin: 28px auto 40px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  letter-spacing: 0.01em;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.76rem;
  font-weight: 700;
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.6;
}

.summary-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.summary-card {
  background: linear-gradient(160deg, rgba(25, 44, 64, 0.85), rgba(14, 30, 45, 0.8));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.summary-card .label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-card .value {
  margin-top: 8px;
  font-size: 1.6rem;
  font-weight: 700;
}

.panel {
  backdrop-filter: blur(8px);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.filters-panel {
  margin-top: 20px;
  padding: 18px;
}

.filters-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

h2 {
  margin: 0;
  font-size: 1.05rem;
}

.ghost-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 0.85rem;
  color: var(--muted);
}

select,
input[type='search'] {
  font-family: inherit;
  color: var(--text);
  background: rgba(8, 18, 28, 0.9);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}

select:focus,
input[type='search']:focus {
  border-color: var(--accent);
}

.content-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 14px;
}

.leaderboard-panel {
  overflow: hidden;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

thead {
  background: rgba(55, 210, 255, 0.1);
}

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

th {
  font-size: 0.78rem;
  color: #cbe8ff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

tbody tr {
  transition: background 0.2s ease;
  cursor: pointer;
}

tbody tr:hover {
  background: rgba(103, 255, 207, 0.08);
}

tbody tr.active {
  background: rgba(55, 210, 255, 0.16);
}

.time,
.gap,
.mono {
  font-family: 'Space Mono', monospace;
}

.rank-badge {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-weight: 700;
  font-size: 0.82rem;
}

.rank-1 .rank-badge {
  background: rgba(255, 211, 113, 0.24);
  color: var(--gold);
}

.rank-2 .rank-badge {
  background: rgba(180, 210, 225, 0.16);
}

.rank-3 .rank-badge {
  background: rgba(244, 165, 96, 0.2);
}

.pill {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(55, 210, 255, 0.16);
  border: 1px solid rgba(55, 210, 255, 0.22);
  font-size: 0.75rem;
}

.details-panel {
  padding: 16px;
}

.details-header h3 {
  margin: 0;
  font-size: 1.12rem;
}

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

.metric-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: rgba(11, 22, 35, 0.7);
}

.metric .label {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric .value {
  margin-top: 6px;
  font-size: 1.03rem;
  font-family: 'Space Mono', monospace;
}

.session-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  max-height: 330px;
  overflow: auto;
}

.session-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: rgba(8, 18, 28, 0.8);
}

.session-item strong {
  font-family: 'Space Mono', monospace;
}

.session-meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.83rem;
}

.empty {
  padding: 18px;
  color: var(--muted);
}

@media (max-width: 1040px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}