:root {
  --bg: #050805;
  --bg-raised: #0b100b;
  --panel: #070a07;
  --line: #161c16;
  --line-strong: #26302a;
  --ink: #d6e8d6;
  --muted: #5f7a5f;
  --accent: #33ff88;
  --accent-dim: #1e8f4e;
  --amber: #ffb000;
  --silver: #b9c7c0;
  --bronze: #d08a4d;
  --red: #ff4d4d;
  --glow: 0 0 8px rgba(51, 255, 136, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo,
    Consolas, "Liberation Mono", monospace;
  color: var(--ink);
  background: radial-gradient(120% 90% at 50% 0%, #0d130d 0%, #060906 60%, #030403 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* scanline overlay */
.crt {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: screen;
}

.cabinet {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

/* background fish tank */
.fish-tank {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.fish {
  position: absolute;
  left: 0;
  width: var(--size, 60px);
  height: auto;
  opacity: 0.8;
  animation: swim var(--d, 30s) linear infinite;
  animation-delay: var(--delay, 0s);
  will-change: transform;
}

.fish .body,
.fish .tail {
  fill: var(--c, #33ff88);
}

.fish .eye {
  fill: #04150a;
}

.fish.rev {
  animation-name: swim-rev;
}

@keyframes swim {
  0%   { transform: translateX(-15vw) translateY(0); }
  20%  { transform: translateX(12vw) translateY(-14px); }
  40%  { transform: translateX(38vw) translateY(9px); }
  60%  { transform: translateX(64vw) translateY(-11px); }
  80%  { transform: translateX(88vw) translateY(13px); }
  100% { transform: translateX(112vw) translateY(0); }
}

@keyframes swim-rev {
  0%   { transform: translateX(112vw) translateY(0) scaleX(-1); }
  20%  { transform: translateX(88vw) translateY(-14px) scaleX(-1); }
  40%  { transform: translateX(64vw) translateY(9px) scaleX(-1); }
  60%  { transform: translateX(38vw) translateY(-11px) scaleX(-1); }
  80%  { transform: translateX(12vw) translateY(13px) scaleX(-1); }
  100% { transform: translateX(-15vw) translateY(0) scaleX(-1); }
}

.marquee {
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--accent-dim);
  background: var(--bg-raised);
  padding: 22px 16px 18px;
  text-align: center;
  margin-bottom: 22px;
}

.title {
  margin: 0;
  font-size: clamp(2rem, 9vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-shadow: var(--glow), 0 0 24px rgba(51, 255, 136, 0.22);
}

.title-dot {
  color: var(--amber);
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
}

.cursor {
  color: var(--accent);
  animation: blink 1.1s steps(2, start) infinite;
}

@keyframes blink {
  to {
    visibility: hidden;
  }
}

.panel {
  border: 2px solid var(--line-strong);
  background: var(--panel);
  margin-bottom: 22px;
}

.panel-title {
  margin: 0;
  padding: 10px 14px;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title-num {
  color: var(--accent-dim);
}

button {
  font-family: inherit;
  border: 2px solid var(--accent-dim);
  background: var(--accent-dim);
  color: #04150a;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 18px;
  cursor: pointer;
  border-radius: 0;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.6);
}

button:hover {
  background: var(--accent);
  border-color: var(--accent);
}

button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.6);
}

#refresh-btn {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--muted);
  box-shadow: none;
  padding: 7px 12px;
  font-size: 0.7rem;
}

#refresh-btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line-strong);
}

.panel-head .panel-title {
  border-bottom: none;
}

.panel-head button {
  margin: 8px 12px;
}

.leaderboard {
  list-style: none;
  margin: 0;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.placeholder {
  color: var(--muted);
  text-align: center;
  padding: 18px 0;
}

.entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #040604;
}

.entry:nth-child(1) {
  border-color: var(--amber);
}

.rank {
  color: var(--muted);
  min-width: 44px;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.points {
  font-weight: 700;
  color: var(--accent);
}

.entry:nth-child(1) .rank,
.entry:nth-child(1) .points {
  color: var(--amber);
}

.entry:nth-child(2) .rank,
.entry:nth-child(2) .points {
  color: var(--silver);
}

.entry:nth-child(3) .rank,
.entry:nth-child(3) .points {
  color: var(--bronze);
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
  }
  .fish {
    display: none;
  }
}