/* style.css — arcade brawl aesthetic */

:root {
  --bg-0: #0a0617;
  --bg-1: #170a2e;
  --bg-2: #2a0f4a;
  --accent: #e8c547;
  --red: #e63946;
  --blue: #2a9df4;
  --ink: #f3eee0;
  --ink-dim: #9a8da8;
  --border: #2a1547;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(ellipse at top, var(--bg-2) 0%, transparent 40%),
    radial-gradient(ellipse at bottom, #1a0833 0%, transparent 50%),
    var(--bg-0);
  background-attachment: fixed;
  color: var(--ink);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  /* CRT-ish scanlines, very faint */
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0,0,0,0.07) 3px,
    transparent 4px
  );
  pointer-events: none;
  z-index: 100;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px 12px;
  border-bottom: 2px solid var(--border);
  background: linear-gradient(180deg, rgba(231,57,70,0.08) 0%, transparent 100%);
}

h1 {
  font-family: 'Bungee', sans-serif;
  font-size: clamp(24px, 3.5vw, 40px);
  letter-spacing: 0.08em;
  margin: 0;
  background: linear-gradient(180deg, var(--accent) 0%, var(--red) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  text-shadow: 0 0 24px rgba(232, 197, 71, 0.15);
}
h1 .amp { color: var(--ink-dim); -webkit-text-fill-color: var(--ink-dim); margin: 0 0.15em; }

.ghost-btn {
  background: transparent;
  color: var(--ink-dim);
  border: 1px solid var(--border);
  padding: 8px 14px;
  font: 11px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
}
.ghost-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ----- Help drawer ----- */
#help {
  position: fixed;
  top: 70px; right: 20px;
  background: var(--bg-0);
  border: 1px solid var(--border);
  padding: 16px 18px;
  width: 280px;
  font-size: 12px;
  transform: translateX(calc(100% + 30px));
  transition: transform 0.25s ease-out;
  z-index: 50;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
#help.open { transform: translateX(0); }
#help h2 {
  font-family: 'Bungee', sans-serif;
  font-size: 14px;
  margin: 0 0 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
}
#help table { width: 100%; border-collapse: collapse; }
#help td { padding: 4px 0; }
#help td:first-child { width: 60px; }
#help .hint { color: var(--ink-dim); margin-top: 12px; font-size: 11px; line-height: 1.5; }
kbd {
  display: inline-block;
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 2px 8px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  border-radius: 3px;
  font-size: 11px;
}

/* ----- Lobby ----- */
#lobby {
  max-width: 920px;
  margin: 60px auto 40px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 0;
  align-items: start;
}

.card {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 50%),
    var(--bg-1);
  border: 1px solid var(--border);
  padding: 32px 28px;
  position: relative;
}
.card::before {
  content: ''; position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--red) 0%, var(--accent) 50%, var(--blue) 100%);
}

.card h2 {
  font-family: 'Bungee', sans-serif;
  margin: 0 0 8px;
  letter-spacing: 0.12em;
  font-size: 20px;
}
.card p { color: var(--ink-dim); font-size: 13px; line-height: 1.5; margin: 0 0 18px; }

.card button, .card input {
  width: 100%;
  padding: 12px 16px;
  font: 14px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: var(--bg-0);
  color: var(--ink);
}
.card input {
  margin-bottom: 10px;
  letter-spacing: 0.4em;
  text-align: center;
  font-size: 18px;
  font-family: 'Bungee', monospace;
}
.card input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-1);
}
.card button {
  cursor: pointer;
  font-weight: 700;
  transition: all 0.15s;
}
.card button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(232,197,71,0.05);
}

.code-display {
  margin-top: 18px;
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}
.code-display span {
  font-family: 'Bungee', monospace;
  font-size: 28px;
  color: var(--accent);
  letter-spacing: 0.3em;
  margin-left: 8px;
}

.divider {
  display: flex; align-items: center; justify-content: center;
  height: 100%;
  min-height: 240px;
  color: var(--ink-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  position: relative;
}
.divider::before, .divider::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 1px;
  background: var(--border);
}
.divider::before { top: 0; height: calc(50% - 18px); }
.divider::after  { bottom: 0; height: calc(50% - 18px); }
.divider span { background: var(--bg-0); padding: 6px 0; position: relative; z-index: 1; }

#status {
  grid-column: 1 / -1;
  margin-top: 28px;
  text-align: center;
  color: var(--ink-dim);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px;
  border-top: 1px dashed var(--border);
}

/* ----- Game canvas ----- */
#game {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  min-height: calc(100vh - 80px);
}

#canvas {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  aspect-ratio: 4 / 3;
  border: 2px solid var(--border);
  box-shadow:
    0 0 0 1px rgba(232,197,71,0.15),
    0 24px 80px rgba(0,0,0,0.7),
    inset 0 0 80px rgba(0,0,0,0.4);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.hidden { display: none !important; }

@media (max-width: 720px) {
  #lobby { grid-template-columns: 1fr; gap: 24px; }
  .divider { min-height: 40px; }
  .divider::before, .divider::after { display: none; }
}