@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Share+Tech+Mono&display=swap');

:root {
  --sp-space:        #071e2e;
  --sp-panel:        #0d2538;
  --sp-panel-mid:    #0f2c42;
  --sp-panel-light:  #16334d;
  --sp-panel-hover:  #1a3d5a;
  --sp-panel-glass:  rgba(8, 31, 47, 0.82);
  --sp-green:        #3add67;
  --sp-green-strong: #00e95c;
  --sp-green-dim:    rgba(58, 221, 103, 0.55);
  --sp-green-glow:   rgba(58, 221, 103, 0.18);
  --sp-green-faint:  rgba(58, 221, 103, 0.07);
  --sp-blue:         #0256ef;
  --sp-blue-soft:    #4164b6;
  --sp-blue-glow:    rgba(2, 86, 239, 0.2);
  --sp-red:          #ff3b55;
  --sp-amber:        #ffae00;
  --sp-amber-glow:   rgba(255, 174, 0, 0.15);
  --sp-text:         #f6f8fb;
  --sp-text-dim:     #b8c7d3;
  --sp-text-faint:   rgba(184, 199, 211, 0.4);
  --sp-border:       rgba(255, 255, 255, 0.08);
  --sp-border-green: rgba(58, 221, 103, 0.35);
  --sp-grid:         rgba(255, 255, 255, 0.025);
  --sp-shadow:       0 20px 60px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Share Tech Mono', 'Courier New', monospace;
  color: var(--sp-text);
  background:
    radial-gradient(ellipse at top left,    rgba(58, 221, 103, 0.07), transparent 35%),
    radial-gradient(ellipse at bottom right, rgba(2, 86, 239, 0.08),  transparent 40%),
    linear-gradient(180deg, var(--sp-panel-mid) 0%, var(--sp-space) 100%);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--sp-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--sp-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.04) 2px,
    rgba(0, 0, 0, 0.04) 4px
  );
  pointer-events: none;
  z-index: 0;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100vw - 32px));
  margin: 20px auto;
  display: grid;
  gap: 14px;
}

.hud-card,
.footer-card,
.join-card {
  background: var(--sp-panel-glass);
  border: 1px solid var(--sp-border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  box-shadow: var(--sp-shadow);
}

.hud-card {
  padding: 16px 20px;
  display: grid;
  gap: 14px;
  border-color: var(--sp-border-green);
  box-shadow:
    var(--sp-shadow),
    0 0 0 1px var(--sp-border-green),
    inset 0 1px 0 rgba(58, 221, 103, 0.08);
}

.eyebrow {
  margin: 0 0 4px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sp-green);
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
}

h1 {
  margin: 0;
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sp-text);
  text-shadow: 0 0 24px var(--sp-green-dim);
}

h2 {
  margin: 0;
  font-family: 'Orbitron', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

p {
  margin: 0;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.meta-grid > div {
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--sp-green-faint);
  border: 1px solid var(--sp-border-green);
}

.meta-label {
  display: block;
  margin-bottom: 4px;
  font-size: 10px;
  color: var(--sp-green);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-family: 'Share Tech Mono', monospace;
}

.meta-grid strong {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--sp-text);
}

.controls {
  color: var(--sp-text-dim);
  font-size: 0.85rem;
}

code {
  color: var(--sp-green);
  font-family: 'Share Tech Mono', monospace;
}

canvas {
  display: block;
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--sp-border-green);
  background: linear-gradient(180deg, #0d2538 0%, var(--sp-space) 100%);
  box-shadow:
    0 22px 70px rgba(0, 0, 0, 0.5),
    0 0 40px var(--sp-green-glow),
    inset 0 0 60px rgba(0, 0, 0, 0.3);
}

.footer-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  color: var(--sp-text-dim);
  font-size: 0.82rem;
  font-family: 'Share Tech Mono', monospace;
}

.footer-card::before {
  content: '// ';
  color: var(--sp-green);
  opacity: 0.6;
}

.overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(4, 12, 22, 0.88);
  backdrop-filter: blur(4px);
  z-index: 100;
}

.join-card {
  width: min(440px, calc(100vw - 32px));
  padding: 28px;
  display: grid;
  gap: 18px;
  border-color: var(--sp-border-green);
  box-shadow:
    var(--sp-shadow),
    0 0 60px var(--sp-green-glow);
  position: relative;
  overflow: hidden;
}

.join-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sp-green), transparent);
}

.gosha-decoration {
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 96px;
  height: 96px;
  opacity: 0.18;
  pointer-events: none;
  filter: hue-rotate(0deg) saturate(0.6);
}

.join-card label {
  display: grid;
  gap: 6px;
  color: var(--sp-text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.join-card input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--sp-border);
  background: rgba(7, 30, 46, 0.6);
  color: var(--sp-text);
  font: inherit;
  font-family: 'Share Tech Mono', monospace;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.join-card input:focus {
  border-color: var(--sp-green);
  box-shadow: 0 0 0 3px var(--sp-green-glow);
}

.join-card button {
  padding: 13px 14px;
  border: 1px solid var(--sp-green);
  border-radius: 8px;
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sp-space);
  background: var(--sp-green);
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  box-shadow: 0 0 18px var(--sp-green-glow);
}

.join-card button:hover {
  background: var(--sp-green-strong);
  box-shadow: 0 0 28px var(--sp-green-dim);
}

.join-card button:active {
  transform: scale(0.97);
}

@media (max-width: 800px) {
  .shell {
    width: min(100vw, calc(100vw - 16px));
    margin: 8px auto;
  }

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

  .footer-card {
    flex-direction: column;
  }
}