:root {
  --bg-0: #060916;
  --bg-1: #0d1327;
  --bg-2: #111b37;
  --panel: rgba(10, 18, 40, 0.8);
  --panel-border: rgba(169, 198, 255, 0.18);
  --text: #ecf3ff;
  --muted: #9eb0d5;
  --accent: #67f1d4;
  --accent-hot: #f7bf55;
  --accent-soft: #7aa6ff;
  --danger: #ff7a9d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  position: relative;
  font-family: "Space Grotesk", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(120% 90% at 15% 0%, #1b2c5a 0%, transparent 60%),
    radial-gradient(90% 80% at 90% 0%, #1c355e 0%, transparent 60%),
    linear-gradient(140deg, var(--bg-0), var(--bg-1) 48%, var(--bg-2));
  padding: clamp(1.1rem, 2vw, 2.2rem);
  overflow-x: hidden;
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

.bg-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

.bg-glow {
  z-index: -1;
  background:
    radial-gradient(circle at 75% 8%, rgba(247, 191, 85, 0.17), transparent 45%),
    radial-gradient(circle at 8% 12%, rgba(103, 241, 212, 0.18), transparent 42%);
}

.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
}

.brand img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
}

.brand h1 {
  font-family: "Audiowide", "Space Grotesk", sans-serif;
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  letter-spacing: 0.02em;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.73rem;
}

.board-header nav {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.board-header nav a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid rgba(173, 197, 247, 0.3);
  background: rgba(12, 21, 47, 0.5);
  border-radius: 999px;
  padding: 0.48rem 0.95rem;
  font-weight: 600;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.board-header nav a:hover {
  color: var(--text);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.board-shell {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.board-panel {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

.control-panel {
  padding: 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: center;
}

.mode-toggle {
  display: inline-flex;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(174, 198, 245, 0.25);
  border-radius: 999px;
  padding: 0.3rem;
}

.mode-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.mode-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.mode-btn.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #001522;
}

.mode-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(165, 193, 247, 0.35);
  background: rgba(5, 11, 28, 0.6);
  border-radius: 12px;
  padding: 0.58rem 0.75rem;
}

.search-wrap svg {
  width: 18px;
  height: 18px;
  fill: var(--muted);
  flex: 0 0 auto;
}

.search-wrap input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font: inherit;
}

.search-wrap input::placeholder {
  color: #8396be;
}

.refresh-btn {
  border: 1px solid rgba(170, 198, 255, 0.35);
  background: rgba(6, 14, 34, 0.75);
  color: var(--text);
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.58rem 0.92rem;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.refresh-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.refresh-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.board-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.board-status.status-ok {
  color: var(--accent);
}

.board-status.status-error {
  color: var(--danger);
}

.summary-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
}

.summary-card {
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.summary-card::before {
  content: "";
  position: absolute;
  width: 80px;
  height: 80px;
  right: -24px;
  top: -24px;
  border-radius: 50%;
  background: rgba(103, 241, 212, 0.16);
  filter: blur(2px);
}

.summary-card p {
  margin: 0;
  color: var(--muted);
}

.summary-card strong {
  display: block;
  margin-top: 0.35rem;
  font-family: "Audiowide", "Space Grotesk", sans-serif;
  font-size: 1.45rem;
}

.summary-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  margin-bottom: 0.55rem;
}

.summary-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--accent-hot);
}

.board-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.18fr 0.82fr;
}

.list-panel,
.detail-panel {
  padding: 1rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.panel-header h2 {
  margin: 0;
  font-family: "Audiowide", "Space Grotesk", sans-serif;
  font-size: 1.06rem;
  letter-spacing: 0.02em;
}

.panel-header span {
  color: var(--muted);
  font-size: 0.86rem;
}

.leaderboard-rows {
  display: flex;
  flex-direction: column;
  gap: 0.52rem;
  max-height: 68vh;
  overflow: auto;
  padding-right: 0.2rem;
}

.player-row {
  width: 100%;
  border: 1px solid rgba(170, 198, 255, 0.2);
  background: rgba(3, 11, 30, 0.75);
  color: inherit;
  border-radius: 12px;
  padding: 0.72rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.player-row:hover {
  transform: translateY(-1px);
  border-color: rgba(103, 241, 212, 0.7);
}

.player-row.is-selected {
  border-color: var(--accent);
  background: linear-gradient(120deg, rgba(103, 241, 212, 0.15), rgba(122, 166, 255, 0.12));
}

.rank-badge {
  min-width: 62px;
  border-radius: 10px;
  padding: 0.35rem 0.52rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.rank-badge strong {
  font-size: 0.86rem;
}

.rank-badge span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
}

.rank-badge.rank-top {
  border-color: rgba(247, 191, 85, 0.7);
  background: rgba(247, 191, 85, 0.18);
}

.player-main h3 {
  margin: 0;
  font-size: 0.98rem;
}

.player-main p {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.player-score {
  text-align: right;
}

.player-score strong {
  display: block;
  font-size: 1rem;
}

.player-score span {
  font-size: 0.72rem;
  color: var(--muted);
}

.empty-state {
  margin: 0;
  color: var(--muted);
  border: 1px dashed rgba(176, 200, 245, 0.4);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.detail-head span {
  border: 1px solid rgba(103, 241, 212, 0.6);
  color: var(--accent);
  background: rgba(103, 241, 212, 0.12);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
}

.player-identity h3 {
  margin: 0.25rem 0 0.22rem;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-family: "Audiowide", "Space Grotesk", sans-serif;
}

.player-identity p {
  margin: 0;
  color: var(--muted);
}

.detail-grid {
  margin: 1rem 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 0.55rem;
}

.detail-grid > div {
  border: 1px solid rgba(174, 198, 245, 0.2);
  border-radius: 10px;
  padding: 0.58rem;
  background: rgba(4, 10, 24, 0.65);
}

.detail-grid dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.detail-grid dd {
  margin: 0.2rem 0 0;
  font-weight: 700;
  font-size: 1rem;
}

.detail-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 0.55rem;
}

.detail-highlight-grid article {
  border-radius: 12px;
  padding: 0.75rem;
  background: linear-gradient(145deg, rgba(9, 30, 45, 0.85), rgba(20, 30, 55, 0.75));
  border: 1px solid rgba(103, 241, 212, 0.25);
}

.detail-highlight-grid p {
  margin: 0;
  color: #b9c8e6;
  font-size: 0.78rem;
}

.detail-highlight-grid strong {
  display: block;
  margin-top: 0.32rem;
  font-size: 1.1rem;
}

@media (max-width: 1100px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(170px, 1fr));
  }

  .board-grid {
    grid-template-columns: 1fr;
  }

  .leaderboard-rows {
    max-height: 46vh;
  }
}

@media (max-width: 760px) {
  body {
    padding: 0.8rem;
  }

  .board-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .control-panel {
    grid-template-columns: 1fr;
  }

  .mode-toggle {
    width: 100%;
    justify-content: center;
  }

  .mode-btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .detail-grid,
  .detail-highlight-grid {
    grid-template-columns: 1fr;
  }

  .player-row {
    grid-template-columns: auto 1fr;
  }

  .player-score {
    grid-column: 1 / -1;
    text-align: left;
  }
}