:root{--bg: #12172130;--panel: #1b2233;--panel-2: #232c42;--line: #33405e;--text: #e7ecf6;--muted: #9aa7c2;--gold: #f2c14e;--research: #5ec6ff;--player: #4f8cff;--enemy: #ff5d5d;--accent: #6ee7a8}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;overflow:hidden;background:#0e1220;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;user-select:none;-webkit-user-select:none;touch-action:none}#app{position:fixed;top:0;right:0;bottom:0;left:0}#board{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%}#hud{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}#hud button,#hud .panel,#hud .topbar{pointer-events:auto}.topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:14px;padding:max(10px,env(safe-area-inset-top)) 14px 10px;background:linear-gradient(#12172acc,#12172a00);font-size:15px;font-weight:600}.topbar .res{display:flex;align-items:center;gap:5px}.topbar .dot{width:11px;height:11px;border-radius:50%}.dot.gold{background:var(--gold)}.dot.research{background:var(--research)}.topbar .turn{margin-left:auto;color:var(--muted);font-weight:500}.panel{position:absolute;left:8px;right:8px;bottom:max(8px,env(safe-area-inset-bottom));background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:12px 14px 14px;box-shadow:0 12px 40px #0008;max-height:52vh;overflow-y:auto}.panel .title{font-size:16px;font-weight:700;margin-bottom:2px;display:flex;align-items:center;gap:8px}.panel .sub{color:var(--muted);font-size:13px;margin-bottom:10px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}button{font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--line);border-radius:11px;padding:9px 12px;cursor:pointer;text-align:left;transition:transform .05s,border-color .15s,background .15s}button:active{transform:scale(.97)}button:disabled{opacity:.4;cursor:not-allowed}button .b-title{display:block;font-weight:600;font-size:14px}button .b-meta{display:block;color:var(--muted);font-size:12px;margin-top:2px}button.cost-ok .b-cost{color:var(--gold)}button.primary{background:var(--player);border-color:#6ea0ff;font-weight:700;text-align:center}button.end{background:var(--accent);color:#0c1a12;border-color:#93f2bf;font-weight:700;text-align:center}.endbar{position:absolute;right:10px;bottom:max(10px,env(safe-area-inset-bottom))}.endbar button{padding:13px 20px;border-radius:14px}.row{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}.tag{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 9px}.toast{position:absolute;top:52px;left:50%;transform:translate(-50%);background:#000c;border:1px solid var(--line);padding:8px 14px;border-radius:999px;font-size:13px;pointer-events:none;opacity:0;transition:opacity .25s;white-space:nowrap}.toast.show{opacity:1}.banner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:#0c1220e8;pointer-events:auto;text-align:center;padding:24px}.banner h1{font-size:34px;margin:0;letter-spacing:2px}.banner p{color:var(--muted);margin:0;max-width:320px}.menu-btns{display:flex;flex-direction:column;gap:10px;width:260px;margin-top:8px}button.big{text-align:center;padding:14px 16px;font-size:16px;border-radius:13px}.join-row{display:flex;gap:8px}.join-row input{flex:1;min-width:0;font:inherit;font-size:18px;font-weight:700;letter-spacing:4px;text-align:center;text-transform:uppercase;color:var(--text);background:var(--panel-2);border:1px solid var(--line);border-radius:13px;padding:12px}.join-row button{flex:0 0 auto}.code-box{font-size:44px;font-weight:800;letter-spacing:10px;padding:14px 26px;background:var(--panel);border:1px solid var(--line);border-radius:16px;color:var(--accent)}.banner .status{font-size:14px}.turnflag{position:absolute;top:46px;left:50%;transform:translate(-50%);padding:6px 16px;border-radius:999px;font-size:14px;font-weight:700;pointer-events:none}.turnflag.mine{background:#1f7a44;color:#eafff2}.turnflag.theirs{background:#3a2330;color:#ffd7d7}