.expedition-board{max-width:680px;margin:auto;text-align:center;background:radial-gradient(ellipse at top,#1c2c42,#0d1420 70%);border:1px solid #3a5b6e!important}.expedition-board h2{color:#a5f0e0;margin-bottom:10px}.expedition-status{min-height:48px;font-weight:700;line-height:1.5}.expedition-status.is-loss{color:#ff9db3}.expedition-status.is-win{color:#7ce6b8}.expedition-depths{display:flex;gap:10px;justify-content:center;margin:18px 0;flex-wrap:wrap}.expedition-depths button{flex:1;min-width:150px;max-width:220px;background:#16222f;color:#b7c6da;border:1px solid #3c4f66}.expedition-depths button[aria-pressed=true]{border-color:#7dd3fc;color:#d7efff;background:#1d3b52}.expedition-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px auto;max-width:520px}.expedition-tile{aspect-ratio:1;border-radius:12px;border:1px solid #33465e;background:#111c2c;color:#e8f1fb;font-size:26px;cursor:pointer;transition:border-color .15s,transform .15s}.expedition-tile:hover:not(:disabled){border-color:#7dd3fc;transform:translateY(-2px)}.expedition-tile:disabled{cursor:default;opacity:.75}.expedition-tile.is-relic{background:#123b2b;border-color:#3fbd83}.expedition-tile.is-trap{background:#3d1420;border-color:#c94f6d}.expedition-tile.is-empty{opacity:.55}.expedition-board .input-box{display:block;text-align:left;margin-top:8px}.expedition-board input{width:100%;box-sizing:border-box}.expedition-board #expeditionStart{width:100%;margin-top:10px}