:root{color:#1d2530;background:#f7f8fa;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,select,input{font:inherit}button{background:#1d2530;border:1px solid #1d2530;color:#fff;cursor:pointer;font-weight:700;min-height:44px;padding:10px 16px}button:hover{background:#324252}.secondary-button{background:#fff;color:#1d2530}.start-screen,.game-screen{min-height:100vh;padding:32px}.start-screen{display:grid;place-items:center}.start-panel{width:min(100%,560px)}.eyebrow{color:#496070;font-size:.875rem;font-weight:700;letter-spacing:0;margin:0 0 12px;text-transform:uppercase}h1{font-size:clamp(2rem,5vw,4rem);line-height:1;margin:0 0 28px}h2{font-size:1.1rem;margin:0 0 12px}.start-form{display:grid;gap:18px}fieldset{border:1px solid #cbd4dc;display:grid;gap:10px;margin:0;padding:14px}legend{color:#496070;font-weight:700;padding-inline:6px}label{display:grid;gap:8px;font-weight:700}fieldset label{align-items:center;display:flex;font-weight:500}select{background:#fff;border:1px solid #b9c5d0;color:#1d2530;min-height:42px;padding:8px 10px}input[type=text],input[type=url],input:not([type]){background:#fff;border:1px solid #b9c5d0;color:#1d2530;min-height:42px;padding:8px 10px;width:100%}.form-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.game-header{align-items:start;display:flex;gap:24px;justify-content:space-between;margin:0 auto 24px;max-width:1180px}.game-header h1{font-size:clamp(1.7rem,4vw,3rem);margin:0}.game-layout{align-items:start;display:grid;gap:24px;grid-template-columns:minmax(0,1fr) 320px;margin:0 auto;max-width:1180px}.board-frame{min-width:0;overflow:auto}.board-svg{display:block;height:auto;max-height:min(72vh,760px);width:100%}.board-edge{fill:none;stroke-linecap:round;stroke-width:8;transition:opacity .12s ease,stroke-width .12s ease}.edge-neutral{stroke:#a6b0bb}.edge-red{stroke:#d33f49}.edge-blue{stroke:#286fd6}.edge-playable{cursor:pointer}.edge-playable:hover{opacity:.72;stroke-width:11}.edge-hit-target{fill:none;stroke:transparent;stroke-linecap:round;stroke-width:28}.vertex-dot{fill:#1d2530;pointer-events:none}.side-panel{display:grid;gap:20px}.remote-actions{display:grid;gap:12px}.remote-waiting{align-items:center;border:1px solid #cbd4dc;color:#526575;display:grid;min-height:320px;padding:24px;text-align:center}.remote-errors{border:1px solid #d33f49;color:#a32931;padding:12px}.remote-errors p{margin:0}.score-panel{border-block-start:1px solid #cbd4dc}.score-panel div{align-items:center;border-block-end:1px solid #cbd4dc;display:flex;justify-content:space-between;padding-block:12px}.score-panel span,.move-history small{color:#526575}.score-panel strong{font-size:1.1rem}.move-history{min-width:0}.move-history p{color:#526575;margin:0}.move-history ol{display:grid;gap:10px;list-style-position:inside;margin:0;max-height:42vh;overflow:auto;padding:0}.move-history li{border-block-start:1px solid #dce2e8;display:grid;gap:3px;padding-block-start:10px}@media (max-width: 840px){.start-screen,.game-screen{padding:20px}.form-grid,.game-layout{grid-template-columns:1fr}.game-header{align-items:stretch;flex-direction:column}}