/* styles moved from prior single-file version (responsive, action buttons, chips, board, tables) */
:root{ --bg:#0b1020; --card:#151a2e; --ink:#e6e8ee; --muted:#99a2c7; --acc:#6ea8fe; }
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu; background:linear-gradient(180deg,#0b1020,#0e1327); color:var(--ink);} 
header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid #242a43; position:sticky;top:0;background:#0b1020cc;backdrop-filter:saturate(150%) blur(6px)}
.brand{font-weight:700;letter-spacing:.4px}
.nav a, .nav form button{color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:12px;border:1px solid #2a3153;background:#1a2040}
.wrap{max-width:1100px;margin:24px auto;padding:0 16px}
.card{background:var(--card);border:1px solid #242a43;border-radius:24px;box-shadow:0 10px 30px rgba(0,0,0,.3); padding:20px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.full{grid-column:1/-1}
.h{margin:0 0 8px}
.muted{color:var(--muted)}
form.stacked{display:grid;gap:10px}
input[type=email],input[type=password],select{background:#0f1430;color:var(--ink);border:1px solid #2a3153;border-radius:12px;padding:12px}
button.primary{background:linear-gradient(180deg,#6ea8fe,#487df9);border:none;color:#0b1020;padding:12px 14px;border-radius:12px;font-weight:700}
button.link{background:transparent;border:1px dashed #2a3153;color:var(--ink);padding:10px 12px;border-radius:12px}
.btn-action{background:linear-gradient(180deg,#34d399,#10b981);color:#06221a;border:none;font-weight:800;padding:12px 14px;border-radius:12px;box-shadow:0 6px 18px rgba(16,185,129,.35);cursor:pointer}
.btn-action.swap{background:linear-gradient(180deg,#f59e0b,#f97316);color:#2b1000;box-shadow:0 6px 18px rgba(249,115,22,.35)}
.btn-action.block{background:linear-gradient(180deg,#60a5fa,#3b82f6);color:#07142c;box-shadow:0 6px 18px rgba(59,130,246,.35)}
.btn-disabled{background:#2b314f;border:1px solid #3a416b;color:#8b93b8;cursor:not-allowed;opacity:.7}
.btn-action:not(.btn-disabled):hover{transform:translateY(-1px)}
.btn-action:not(.btn-disabled){animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,255,255,.0)}50%{box-shadow:0 0 0 6px rgba(255,255,255,.06)}100%{box-shadow:0 0 0 0 rgba(255,255,255,.0)}
.board{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;width:100%;margin:12px 0}
.cell{width:100%;aspect-ratio:1/1;border-radius:10px;border:1px solid #2a3153;background:#0f1430;color:var(--ink);font-size:clamp(16px,2.5vw,24px);font-weight:800}
.cell.danger{outline:2px solid #7f1d1d}
.cell.blocked{background:#101428; color:#6b7280; border-style:dashed}
.cell.last{outline:2px solid var(--acc); box-shadow:0 0 0 2px rgba(110,168,254,.25) inset}
.row{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#0f1430;border:1px solid #2a3153}
.success{color:#a7f3d0;border-color:#064e3b}
.error{color:#fecaca;border-color:#7f1d1d}
.neutral{color:#d1d5db;border-color:#374151}
.foot{margin-top:24px;color:#8ea0d0;font-size:14px}
.tablewrap{overflow:auto}
table.table{width:100%;border-collapse:collapse;margin-top:8px}
table.table th, table.table td{border-bottom:1px solid #2a3153;padding:10px;text-align:left}
table.table th{font-weight:700;color:#c8d2ff}
.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;border:1px solid #2a3153;background:#0f1430;font-size:12px;line-height:1;color:#c8d2ff;margin-left:8px}
.chip.dim{opacity:.45}
.chip .sym{font-weight:800}
.chip .icon{font-weight:900}
.rules-section{position:relative;border-radius:16px}
.rules-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;border:1px solid #2a3153;background:#0f1430;color:#e6e8ee;font-size:20px;cursor:pointer;margin-right:8px}
.rules-body{display:block;margin-top:8px}
.rules-body[hidden]{display:none}
@media (max-width: 768px){ .grid{grid-template-columns:1fr} .wrap{max-width:720px} .board{gap:4px} }