/* EdgfastSnake — La Culebrita multijugador. Estética neón verde, a juego con EdgfastUniverse. */
:root {
  --snk-bg: #060d0a;
  --snk-panel: rgba(10, 22, 18, 0.82);
  --snk-line: rgba(16, 185, 129, 0.22);
  --snk-accent: #10b981;
  --snk-text: #d7f2e8;
  --snk-muted: #88a99d;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%; overflow: hidden;
  background: radial-gradient(1200px 700px at 70% -10%, #0d2018 0%, var(--snk-bg) 60%);
  color: var(--snk-text);
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  -webkit-user-select: none; user-select: none; touch-action: manipulation;
}

/* ---------- Barra superior ---------- */
#snk-top {
  position: fixed; inset: 0 0 auto 0; height: 52px; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  background: linear-gradient(180deg, rgba(6,13,10,0.95), rgba(6,13,10,0.55));
  border-bottom: 1px solid var(--snk-line);
  backdrop-filter: blur(8px);
}
#snk-brand { display: flex; align-items: center; gap: 9px; color: var(--snk-text); text-decoration: none; font-size: 1.05rem; }
#snk-brand strong { color: var(--snk-accent); }
#snk-brand i { color: var(--snk-muted); }
#snk-top-right { display: flex; align-items: center; gap: 14px; font-size: 0.85rem; }
#snk-live { display: inline-flex; align-items: center; gap: 7px; color: var(--snk-muted); }
#snk-live b { color: var(--snk-text); }
#snk-live .dot { width: 8px; height: 8px; border-radius: 50%; background: #ef4444; box-shadow: 0 0 8px #ef4444; animation: snk-pulse 1.4s infinite; }
@keyframes snk-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
#snk-conn i { font-size: 0.7rem; }
#snk-conn.on i { color: var(--snk-accent); }
#snk-conn.off i { color: #6b7c75; }
.snk-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 9px; cursor: pointer;
  border: 1px solid var(--snk-line); background: rgba(16,185,129,0.10); color: var(--snk-accent);
  font-size: 0.85rem; transition: background 0.15s, color 0.15s;
}
.snk-icon-btn:hover { background: rgba(16,185,129,0.22); }
.snk-icon-btn.off { color: var(--snk-muted); background: rgba(255,255,255,0.04); }

/* Overlay de muerte / reintento */
#snk-over[hidden] { display: none; }   /* respeta el atributo hidden (lo tapaba el display:flex) */
#snk-over {
  position: absolute; inset: 0; z-index: 8;
  display: flex; align-items: center; justify-content: center;
  background: rgba(6, 13, 10, 0.72); backdrop-filter: blur(3px); border-radius: 10px;
}
.snk-over-card {
  text-align: center; padding: 26px 30px; border-radius: 16px;
  background: var(--snk-panel); border: 1px solid var(--snk-line);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6); animation: snk-pop 0.25s ease;
}
.snk-over-emoji { font-size: 2.6rem; line-height: 1; margin-bottom: 6px; }
.snk-over-card h2 { margin: 0 0 6px; font-size: 1.4rem; color: #fca5a5; }
.snk-over-card p { margin: 0 0 16px; color: var(--snk-text); font-size: 1rem; }
.snk-over-card p b { color: var(--snk-accent); font-size: 1.2rem; }
#snk-over-retry {
  padding: 12px 22px; font-size: 1.02rem; font-weight: 700; cursor: pointer;
  border: none; border-radius: 12px; color: #061810;
  background: linear-gradient(135deg, #34d399, var(--snk-accent));
  display: inline-flex; align-items: center; gap: 9px;
  transition: transform 0.12s, box-shadow 0.2s;
}
#snk-over-retry:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(16,185,129,0.4); }
.snk-over-card small { display: block; margin-top: 14px; color: var(--snk-muted); font-size: 0.8rem; }
.snk-over-card small b { color: var(--snk-text); }

/* ---------- Área principal ---------- */
#snk-main {
  position: fixed; inset: 52px 0 0 0;
  display: flex; align-items: center; justify-content: center; gap: 24px;
  padding: 16px;
}
#snk-stage { position: relative; display: flex; align-items: center; justify-content: center; }
#snk-canvas {
  border-radius: 10px;
  box-shadow: 0 18px 60px rgba(0,0,0,0.55), 0 0 0 1px var(--snk-line);
  background: #0a1410;
}

/* Aviso flotante (muerte / mensajes) */
#snk-status {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(239, 68, 68, 0.92); color: #fff; font-weight: 600;
  padding: 12px 20px; border-radius: 12px; font-size: 1.05rem;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5); pointer-events: none; z-index: 5;
}
#snk-status.show { animation: snk-pop 0.25s ease; }
@keyframes snk-pop { from { transform: translate(-50%, -40%) scale(0.9); opacity: 0; } to { transform: translate(-50%, -50%) scale(1); opacity: 1; } }

/* ---------- Tabla de puntuación ---------- */
#snk-side {
  width: 240px; flex-shrink: 0; align-self: stretch; max-height: 100%;
  display: flex; flex-direction: column;
  background: var(--snk-panel); border: 1px solid var(--snk-line); border-radius: 14px;
  padding: 14px; backdrop-filter: blur(6px); overflow: hidden;
}
.snk-sec { display: flex; flex-direction: column; min-height: 0; }
.snk-sec + .snk-sec { margin-top: 12px; border-top: 1px solid var(--snk-line); padding-top: 10px; }
#snk-side h3 { margin: 0 0 8px; font-size: 0.92rem; display: flex; align-items: center; gap: 8px; color: var(--snk-text); }
.snk-sec h3 i { color: #f59e0b; }
.snk-sec:first-child h3 i { color: var(--snk-accent); }
#snk-scores, #snk-top-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; }
#snk-scores { flex: 1 1 auto; max-height: 40vh; }
#snk-top-list { flex: 0 1 auto; max-height: 26vh; }
#snk-scores li, #snk-top-list li {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px; border-radius: 9px; font-size: 0.88rem;
  transition: background 0.15s;
}
#snk-scores li.me { background: rgba(16, 185, 129, 0.14); outline: 1px solid var(--snk-line); }
.snk-rank { width: 22px; text-align: center; font-size: 0.85rem; color: var(--snk-muted); }
.snk-dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 6px currentColor; }
.snk-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.snk-pts { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--snk-accent); }
.snk-empty { color: var(--snk-muted); font-size: 0.8rem; padding: 6px 8px; list-style: none; }
.snk-help { margin: 12px 0 0; font-size: 0.76rem; line-height: 1.55; color: var(--snk-muted); border-top: 1px solid var(--snk-line); padding-top: 10px; }
.snk-help i { color: var(--snk-accent); }
.snk-help b { color: var(--snk-text); }

/* Temblor al morir */
#snk-canvas.snk-shake { animation: snk-shake 0.45s cubic-bezier(.36,.07,.19,.97); }
@keyframes snk-shake {
  10%, 90% { transform: translate(-2px, 1px); }
  20%, 80% { transform: translate(4px, -2px); }
  30%, 50%, 70% { transform: translate(-6px, 3px); }
  40%, 60% { transform: translate(6px, -3px); }
}

/* ---------- D-pad táctil ---------- */
#snk-pad { display: none; }
@media (max-width: 880px) {
  #snk-main { flex-direction: column; gap: 12px; padding: 10px; }
  #snk-side { width: 100%; max-height: 30vh; }
  #snk-pad {
    display: grid; position: fixed; bottom: 14px; right: 14px; z-index: 15;
    grid-template-columns: repeat(3, 52px); grid-template-rows: repeat(2, 52px);
    gap: 6px; opacity: 0.92;
  }
  .snk-pad-btn {
    border: 1px solid var(--snk-line); background: var(--snk-panel); color: var(--snk-accent);
    border-radius: 12px; font-size: 1.4rem; display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(6px); cursor: pointer;
  }
  .snk-pad-btn:active { background: rgba(16,185,129,0.25); }
  .snk-pad-btn.up    { grid-column: 2; grid-row: 1; }
  .snk-pad-btn.left  { grid-column: 1; grid-row: 2; }
  .snk-pad-btn.down  { grid-column: 2; grid-row: 2; }
  .snk-pad-btn.right { grid-column: 3; grid-row: 2; }
}

/* ---------- Modal de ingreso ---------- */
#snk-join {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  background: radial-gradient(900px 600px at 50% 0%, rgba(16,185,129,0.10), rgba(6,13,10,0.96));
  backdrop-filter: blur(4px); transition: opacity 0.35s, visibility 0.35s;
}
#snk-join.gone { opacity: 0; visibility: hidden; }
.snk-join-card {
  width: 100%; max-width: 420px; text-align: center;
  background: var(--snk-panel); border: 1px solid var(--snk-line); border-radius: 20px;
  padding: 34px 28px; box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.snk-join-logo {
  width: 70px; height: 70px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.9rem; color: #061810;
  background: radial-gradient(circle at 35% 30%, #34d399, var(--snk-accent));
  box-shadow: 0 0 30px rgba(16,185,129,0.5);
}
.snk-join-card h1 { margin: 0 0 8px; font-size: 1.7rem; font-weight: 800; }
.snk-join-card h1 strong { color: var(--snk-accent); }
.snk-join-card p { margin: 0 0 20px; color: var(--snk-muted); line-height: 1.55; font-size: 0.95rem; }
#snk-join-form { display: flex; flex-direction: column; gap: 10px; }
#snk-join-name {
  width: 100%; padding: 13px 16px; font-size: 1rem; text-align: center;
  background: rgba(0,0,0,0.35); border: 1px solid var(--snk-line); border-radius: 12px; color: var(--snk-text);
}
#snk-join-name:focus { outline: none; border-color: var(--snk-accent); box-shadow: 0 0 0 3px rgba(16,185,129,0.18); }
#snk-join-form button {
  padding: 13px 18px; font-size: 1.02rem; font-weight: 700; cursor: pointer;
  border: none; border-radius: 12px; color: #061810;
  background: linear-gradient(135deg, #34d399, var(--snk-accent));
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  transition: transform 0.12s, box-shadow 0.2s;
}
#snk-join-form button:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(16,185,129,0.4); }
.snk-join-card small { display: block; margin-top: 16px; color: var(--snk-muted); font-size: 0.8rem; }