/* Shared 2D overlay styles for sandbox.html and vault.html */
:root {
  --bg: rgba(7, 14, 30, 0.82);
  --panel: #0b1328;
  --line: rgba(120, 170, 255, 0.25);
  --text: #e6eefc;
  --muted: #8ea3c7;
  --blue: #3b82f6;
  --green: #22c55e;
  --hacker: #4ade80;
  --red: #ef4444;
  --amber: #f59e0b;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html, body { margin: 0; height: 100%; overflow: hidden; background: #020617; font-family: var(--font); color: var(--text); }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
a { color: inherit; }

/* ---------- HUD ---------- */
.hud { position: fixed; z-index: 10; pointer-events: none; }
.hud > * { pointer-events: auto; }
.hud-top { top: 12px; left: 12px; right: 12px; display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; }
.panel {
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 14px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px -12px rgba(0,0,0,.6);
}
.panel h3 { margin: 0 0 6px; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.brand { font-weight: 800; letter-spacing: .04em; font-size: 14px; }
.brand small { display: block; color: var(--muted); font-weight: 500; letter-spacing: .12em; font-size: 10px; text-transform: uppercase; }
.big-number { font-size: 30px; font-weight: 800; font-family: var(--mono); color: var(--hacker); line-height: 1; }
.player-list { list-style: none; margin: 0; padding: 0; font-size: 13px; display: grid; gap: 4px; max-height: 40vh; overflow: auto; }
.player-list li { display: flex; align-items: center; gap: 8px; }
.player-list li b { margin-left: auto; font-family: var(--mono); color: var(--hacker); padding-left: 12px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: none; box-shadow: 0 0 0 2px rgba(255,255,255,.15); }

.scoreboard { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.score-chip { display: inline-flex; gap: 8px; align-items: center; background: rgba(59,130,246,.12); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: 13px; }
.score-chip b { font-family: var(--mono); color: var(--hacker); }
.score-chip.lead { border-color: var(--amber); background: rgba(245,158,11,.12); }

.hud-bottom { bottom: 12px; left: 12px; right: 12px; display: flex; gap: 10px; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; }
.inventory { display: flex; gap: 8px; flex-wrap: wrap; min-height: 34px; align-items: center; }
.clue { font-family: var(--mono); font-size: 13px; background: rgba(34,197,94,.1); color: var(--hacker); border: 1px dashed rgba(74,222,128,.5); border-radius: 8px; padding: 6px 10px; animation: pop .4s ease both; }
.inventory .empty { color: var(--muted); font-size: 12px; }
.help { font-size: 12px; color: var(--muted); line-height: 1.6; }
.help kbd { font-family: var(--mono); background: rgba(255,255,255,.08); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; color: var(--text); }
.room-label { font-weight: 700; font-size: 13px; }
.warn { color: var(--amber); font-size: 12px; margin-top: 6px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line); background: rgba(255,255,255,.06); color: var(--text);
  border-radius: 10px; padding: 10px 16px; font: 600 14px var(--font); cursor: pointer; text-decoration: none;
}
.btn:hover { background: rgba(255,255,255,.12); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.go { background: var(--green); border-color: var(--green); color: #04130a; font-size: 18px; padding: 14px 22px; letter-spacing: .1em; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn.active { background: rgba(168,85,247,.35); border-color: #a855f7; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Toasts ---------- */
#toasts { position: fixed; top: 76px; left: 50%; transform: translateX(-50%); z-index: 40; display: grid; gap: 8px; width: min(92vw, 460px); pointer-events: none; }
.toast { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 10px; padding: 12px 14px; font-size: 14px; box-shadow: 0 12px 30px -10px rgba(0,0,0,.7); animation: slideIn .35s ease both; transition: opacity .4s, transform .4s; }
.toast-success { border-left-color: var(--green); }
.toast-error { border-left-color: var(--red); }
.toast.out { opacity: 0; transform: translateY(-8px); }

/* ---------- Modals ---------- */
.modal-backdrop { position: fixed; inset: 0; z-index: 30; display: none; align-items: center; justify-content: center; padding: 16px; background: rgba(2,6,23,.72); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.modal-backdrop.open { display: flex; }
.modal {
  width: min(100%, 520px); max-height: calc(100vh - 32px); overflow: auto;
  background: linear-gradient(180deg, #0d1733, #070d1f); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.8); animation: pop .3s ease both;
}
.modal h2 { margin: 0 0 6px; font-size: 20px; }
.modal .eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--hacker); text-transform: uppercase; }
.modal .muted, .muted { color: var(--muted); font-size: 14px; line-height: 1.55; }
.modal .row { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.field {
  width: 100%; margin-top: 14px; padding: 12px 14px; border-radius: 10px;
  background: #020617; border: 1px solid var(--line); color: var(--hacker);
  font: 600 18px var(--mono); letter-spacing: .15em; text-transform: uppercase; outline: none;
}
.field:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,130,246,.25); }
.question { font: 600 17px/1.5 var(--mono); color: var(--text); background: #020617; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 12px 0 0; }
.status { min-height: 22px; margin-top: 10px; font-family: var(--mono); font-size: 13px; }
.status.err { color: var(--red); }
.status.ok { color: var(--hacker); }
.shake { animation: shake .4s; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip { border: 1px solid var(--line); background: rgba(59,130,246,.1); color: var(--text); border-radius: 999px; padding: 6px 12px; font: 500 13px var(--font); cursor: pointer; }
.chip:hover { background: rgba(59,130,246,.25); }
.modal form { margin: 0; }
form.modal > .btn[type=submit] { margin-top: 14px; width: 100%; }
.field.plain { text-transform: none; letter-spacing: .02em; color: var(--text); font-family: var(--font); }
.lock .modal { text-align: center; }
.lock-icon { font-size: 40px; margin-bottom: 8px; }

/* puzzle widgets */
.widget { margin-top: 16px; }
.shreds { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; padding: 16px; background: #1e293b; border-radius: 12px; }
.shred { background: #f8fafc; color: #0f172a; font: 700 22px var(--mono); padding: 18px 10px; border-radius: 2px; box-shadow: 2px 3px 0 rgba(0,0,0,.35); cursor: pointer; border: none; clip-path: polygon(0 3%, 100% 0, 97% 100%, 4% 97%); }
.shred:nth-child(odd) { transform: rotate(-4deg); }
.shred:nth-child(even) { transform: rotate(3deg); }
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.keypad button { padding: 12px; font: 700 18px var(--mono); border-radius: 10px; border: 1px solid var(--line); background: rgba(255,255,255,.05); color: var(--text); cursor: pointer; }
.keypad button:hover { background: rgba(255,255,255,.12); }
.cipher { font: 800 34px var(--mono); letter-spacing: .35em; text-align: center; color: #fcd34d; padding: 18px; background: #111827; border-radius: 12px; border: 1px solid rgba(252,211,77,.3); }
.alphabet { font: 500 12px var(--mono); color: var(--muted); letter-spacing: .3em; text-align: center; margin-top: 8px; word-break: break-all; }
.nodes { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 8px; }
.node { font: 700 14px var(--mono); padding: 14px 8px; border-radius: 10px; border: 1px solid rgba(59,130,246,.4); background: rgba(59,130,246,.08); color: #93c5fd; cursor: pointer; }
.node:hover, .node.sel { background: rgba(59,130,246,.3); color: #fff; }

/* Escape / overlay */
.overlay { position: fixed; inset: 0; z-index: 35; display: none; align-items: center; justify-content: center; text-align: center; background: radial-gradient(circle at center, rgba(34,197,94,.25), rgba(2,6,23,.92)); padding: 16px; }
.overlay.open { display: flex; }
.overlay h1 { font-size: clamp(32px, 8vw, 64px); margin: 0; letter-spacing: .06em; color: var(--hacker); text-shadow: 0 0 30px rgba(74,222,128,.5); }
.overlay p { color: var(--text); font-size: 18px; }

/* Crosshair colour when aiming at something interactive */
body.aiming .a-canvas { cursor: pointer; }

/* Touch movement pad */
.touch-pad { position: fixed; right: 16px; bottom: 90px; z-index: 12; display: grid; grid-template-columns: repeat(3, 52px); grid-template-rows: repeat(2, 52px); gap: 6px; }
.touch-pad button { border-radius: 12px; border: 1px solid var(--line); background: rgba(7,14,30,.7); color: #fff; font-size: 18px; touch-action: none; user-select: none; -webkit-user-select: none; }
.touch-pad [data-dir=f] { grid-column: 2; grid-row: 1; }
.touch-pad [data-dir=l] { grid-column: 1; grid-row: 2; }
.touch-pad [data-dir=b] { grid-column: 2; grid-row: 2; }
.touch-pad [data-dir=r] { grid-column: 3; grid-row: 2; }

@keyframes pop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }
@keyframes slideIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }
@keyframes shake { 0%,100% { transform: translateX(0); } 20%,60% { transform: translateX(-8px); } 40%,80% { transform: translateX(8px); } }

@media (max-width: 640px) {
  .help { display: none; }
  .panel { padding: 8px 10px; }
  .big-number { font-size: 22px; }
}