:root{color-scheme:dark;font-family:Inter,"Segoe UI",Arial,sans-serif;background:#080f19;color:#e9f0f7;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:radial-gradient(ellipse at 40% 20%,#162f44 0,transparent 49%),#080f19}button,a{font:inherit}button{cursor:pointer;color:inherit;border:1px solid #506478;background:#17283a;border-radius:5px;transition:background .16s}button:hover:not(:disabled){background:#2b4760}button:disabled{opacity:.48;cursor:default}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #ffe39f;outline-offset:3px}.app{max-width:1580px;padding:0 clamp(12px,3vw,48px) 40px;margin:auto}.head{height:80px;display:flex;align-items:center;gap:22px;border-bottom:1px solid #ffffff22}.back{font-size:11px;letter-spacing:.12em;color:#a6bed0;text-decoration:none}.brand{text-decoration:none;color:#f1f5f9;letter-spacing:.22em;font-weight:900;font-size:26px;line-height:.9}.brand 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#2c4358;border-radius:5px;display:flex;justify-content:space-between;gap:5px;flex-direction:column}.hud small{font-size:10px;letter-spacing:.13em;color:#a5bad0}.hud strong{font-size:30px;font-variant-numeric:tabular-nums}#message{min-height:36px;color:#c5d5e4;font-size:13px;line-height:1.5}.eyebrow{font-size:10px;letter-spacing:.16em;color:#ebbb75;font-weight:900}.panel h1{font-size:35px;line-height:1.04;letter-spacing:-.05em;margin:14px 0}.desc,.info,.keys{color:#9fb5c6;line-height:1.6;font-size:12px}.catalog{display:grid;gap:7px;margin:20px 0}.tower{padding:13px;display:flex;align-items:center;gap:14px;text-align:left}.tower.active{border-color:#f7d492;background:#273c48;box-shadow:inset 3px 0 #f7d492}.tower strong{display:block;font-size:12px;letter-spacing:.08em}.tower small{display:block;margin-top:5px;font-size:11px;color:#a8baca}.tower-mark{width:31px;height:31px;border-radius:50%;border:4px solid currentColor;background:#11202d;flex:none;box-shadow:0 0 18px currentColor}.pulse{color:#f6ce82}.lance{color:#7ce4f2}.frost{color:#b8b5ff}.selection{padding:16px 0;border-top:1px solid #324255;border-bottom:1px solid #324255}.selection>p{font-size:12px;color:#bbd0df;min-height:32px;line-height:1.5}.selection-buttons{display:flex;gap:8px}.selection-buttons button{flex:1;padding:10px 5px;font-weight:800;font-size:10px}.primary{width:100%;padding:18px 12px;margin:14px 0;background:#f2c581;color:#111e2b;border-color:#eac080;font-size:12px;letter-spacing:.1em;font-weight:900}.primary:hover:not(:disabled){background:#ffe2ac}.extra{display:flex;gap:8px}.extra button{flex:1;padding:13px 6px;font-size:10px;font-weight:800}.info{margin-top:24px}.keys{font-size:11px}.modal{position:fixed;inset:0;z-index:4;display:grid;place-items:center;background:#040811e8;backdrop-filter:blur(7px);padding:16px}.modal[hidden]{display:none}.modal-content{background:linear-gradient(145deg,#1e3449,#101b2b);border:1px solid #5c7283;border-radius:12px;box-shadow:0 30px 110px #000b;width:min(520px,100%);padding:36px}.modal h2{font-size:clamp(28px,4vw,43px);letter-spacing:-.05em;line-height:1.08}.modal p{line-height:1.7;font-size:14px;color:#afc9d9}.stage-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.stage-buttons button{font-size:12px;padding:14px 2px}.stage-buttons button[aria-current=true]{border-color:#f7d492;background:#283f50}.stage-buttons small{display:block;font-size:9px;margin-top:3px}.stage-buttons[hidden]{display:none}@media(max-width:1120px){.layout{grid-template-columns:1fr}.panel{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.panel>h1,.panel>.desc,.panel>.catalog,.panel>.selection,.panel>.primary,.panel>.extra,.panel>.info,.panel>.keys{grid-column:1/-1}.catalog{grid-template-columns:repeat(3,1fr)}.tower{padding:8px;gap:7px}.tower strong{font-size:10px}.tower small{font-size:9px}.panel h1{margin:10px 0}}@media(max-width:520px){.head{height:64px;gap:10px}.brand{font-size:17px;letter-spacing:.12em}.brand small{font-size:7px;letter-spacing:.14em}.back{font-size:10px;letter-spacing:0}.head-tools{gap:3px}.head-tools button{font-size:9px;padding:8px 4px}.canvas-caption{font-size:8px;padding:9px}.hud>div{padding:9px 6px}.hud small{font-size:7px}.hud strong{font-size:22px}.catalog{gap:4px}.tower-mark{width:20px;height:20px;border-width:3px}.tower{padding:7px 3px;justify-content:center;flex-wrap:wrap}.tower span:last-child{min-width:0}.tower strong{font-size:9px}.tower small{font-size:8px}.panel h1{font-size:28px}.modal-content{padding:23px}}

/* M5: accessible tactical priority action and visible map focus. */
.selection-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.selection-buttons #aim{grid-column:1/-1;min-height:44px;white-space:normal;font-weight:750}
#field:focus-visible{outline:3px solid #acecdd;outline-offset:3px}
@media(max-width:400px){.selection-buttons{grid-template-columns:1fr}.selection-buttons #aim{grid-column:auto}}