:root{--bg-color: #0d1117;--text-main: #c9d1d9;--text-dim: #8b949e;--border-dim: #30363d;--color-open: #3fb950;--color-claimed: #d29922;--color-locked: #f85149;--color-solved: #58a6ff;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace}body{margin:0;background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-mono);-webkit-font-smoothing:antialiased}.cipher-container{max-width:600px;margin:0 auto;padding:20px;text-align:center}.game-header h1{font-size:1.5rem;letter-spacing:2px;text-transform:uppercase;color:var(--color-solved);border-bottom:2px solid var(--border-dim);padding-bottom:10px;margin-bottom:20px}.status-panel{background:#161b22;border:1px solid var(--border-dim);border-radius:6px;padding:10px;margin-bottom:20px;font-size:.9rem;text-align:left}.status-panel p{margin:5px 0}.vault-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.tile-card{aspect-ratio:1;background:#161b22;border:1px solid var(--border-dim);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:default;transition:all .2s ease;position:relative;overflow:hidden}.tile-id{font-size:.8rem;color:var(--text-dim);position:absolute;top:5px;left:8px}.tile-status{font-size:.7rem;text-transform:uppercase;letter-spacing:1px;margin-top:4px}.tile-card.state-open{border-color:var(--color-open);box-shadow:0 0 5px #3fb95033}.tile-card.state-open:hover{background:rgba(63,185,80,.1);cursor:pointer;transform:translateY(-2px)}.tile-card.state-claimed-me{border-color:var(--color-claimed);background:rgba(210,153,34,.1);box-shadow:0 0 10px #d299224d}.tile-card.state-claimed-other{border-color:var(--border-dim);background:#0f0f0f;opacity:.7}.tile-card.state-solved{border-color:var(--color-solved);background:rgba(88,166,255,.1)}.tile-actions{margin-top:8px;display:flex;gap:5px;flex-wrap:wrap;justify-content:center}button{background:transparent;border:1px solid var(--text-dim);color:var(--text-main);padding:4px 8px;border-radius:4px;font-family:inherit;font-size:.75rem;cursor:pointer;transition:background .2s}button:hover{background:var(--border-dim)}button.btn-primary{border-color:var(--color-open);color:var(--color-open)}button.btn-primary:hover{background:rgba(63,185,80,.1)}button.btn-action{border-color:var(--color-claimed);color:var(--color-claimed)}button.btn-action:hover{background:rgba(210,153,34,.1)}.msg-area{min-height:24px;color:var(--color-claimed);font-size:.85rem;margin-top:10px}