@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Serif+Display&display=swap";
:root{--ink:#203c31;--green:#214e3c;--muted:#788c7d;--cream:#f6f5ef}*{box-sizing:border-box}body{background:var(--cream);color:var(--ink);margin:0;font-family:DM Sans,Arial,sans-serif}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button:focus-visible{outline-offset:3px;outline:3px solid #b4ce8b}.app-shell{min-height:100dvh}.header{background:#fbfcf8;border-bottom:1px solid #e3e9df;justify-content:space-between;align-items:center;height:68px;padding:0 max(24px,50vw - 530px);display:flex}.brand{color:var(--ink);letter-spacing:-1px;align-items:center;gap:9px;font-family:DM Serif Display,Georgia,serif;font-size:25px;text-decoration:none;display:flex}.brand-club{color:#91aa7d}.brand-mark{width:29px;height:29px;position:relative}.brand-mark i{background:#244b3b;border:2px solid #fbfcf8;border-radius:50%;width:20px;height:20px;display:block;position:absolute}.brand-mark i+i{background:#b6ca8c;bottom:0;right:0}.rules-button{width:38px;height:38px;color:var(--ink);background:0 0;border:1px solid #d5dfd3;border-radius:50%;font-weight:700}.main-content{max-width:1060px;margin:auto;padding:28px 24px}.tabs{background:#e7ece2;border-radius:9px;width:220px;margin:0 auto 22px;padding:4px;display:flex}.tabs button{color:#829388;background:0 0;border:0;border-radius:6px;flex:1;padding:10px;font-size:13px;font-weight:700}.tabs button.active{color:var(--ink);background:#fff;box-shadow:0 2px 7px #28463314}.workspace{grid-template-columns:minmax(0,1fr) 320px;align-items:center;gap:42px;max-width:880px;margin:auto;display:grid}.game-panel{min-width:0}.board-area{max-width:500px;margin:auto}.board-heading{color:#849489;justify-content:center;align-items:center;gap:20px;margin-bottom:14px;font-size:12px;font-weight:700;display:flex}.board-heading>div{border-radius:20px;align-items:center;gap:8px;padding:7px 12px;display:flex}.board-heading>div.current{color:var(--ink);background:#e5eddf}.board-heading strong{color:var(--ink);font-size:16px}.mini-disc{border-radius:50%;width:19px;height:19px;display:inline-block}.mini-disc.black{background:#1b2923}.mini-disc.white{background:#fff;border:1px solid #d8dfd6}.versus{color:#b4c0b5;font-size:11px}.board-wrap{position:relative}.board-coordinates{color:#9eada0;font-size:9px;font-weight:700}.top-coordinates{text-align:center;grid-template-columns:repeat(8,1fr);margin-bottom:5px;display:grid}.board-row{position:relative}.side-coordinates{grid-template-rows:repeat(8,1fr);align-items:center;display:grid;position:absolute;top:0;bottom:0;left:-17px}.board{aspect-ratio:1;background:#174d3c;border:6px solid #194b3a;border-radius:8px;grid-template-columns:repeat(8,1fr);display:grid;overflow:hidden;box-shadow:0 7px #dce5d8,0 10px 15px #244d3020}.square{aspect-ratio:1;touch-action:manipulation;background:#357c60;border:1px solid #246b50;place-items:center;min-width:0;padding:0;display:grid;position:relative}.square:nth-child(16n+1),.square:nth-child(16n+3),.square:nth-child(16n+5),.square:nth-child(16n+7),.square:nth-child(16n+10),.square:nth-child(16n+12),.square:nth-child(16n+14),.square:nth-child(16n+16){background:#398264}.square:not(:disabled):hover{background:#549a76}.disc{border-radius:50%;place-items:center;width:72%;height:72%;display:grid;box-shadow:0 3px 5px #163c2d70}.disc.black{background:linear-gradient(145deg,#35443c,#17231d);border:1px solid #16231d}.disc.white{background:linear-gradient(145deg,#fff,#e5e9dc);border:1px solid #e3e6dc}.last-dot{background:#b3ce8e;border-radius:50%;width:5px;height:5px}.legal-dot{opacity:.9;background:#c2e0ad;border-radius:50%;width:22%;height:22%}.target .legal-dot{background:#e0efaa;width:35%;height:35%;animation:1.4s infinite pulse;box-shadow:0 0 0 8px #dcec9b3b}.highlighted:after{content:"";pointer-events:none;border:2px solid #e1efad;border-radius:50%;position:absolute;inset:5%}@keyframes pulse{50%{box-shadow:0 0 0 13px #dcec9b18}}.board-caption{text-align:center;color:#72897a;min-height:18px;margin:20px 0 0;font-size:12px;line-height:1.4}.lesson-panel{background:#fff;border:1px solid #e7ede3;border-radius:12px;padding:24px;box-shadow:0 8px 30px #38503b0b}.lesson-meta{color:#8aa086;letter-spacing:1px;justify-content:space-between;font-size:10px;font-weight:700;display:flex}.progress{gap:5px;margin:11px 0 24px;display:flex}.progress span{background:#edf1e9;border-radius:5px;flex:1;height:3px}.progress span.filled{background:#9fbd85}h2,p{margin:0}.lesson-panel h2,.modal h2{letter-spacing:-.4px;font-family:DM Serif Display,Georgia,serif;font-size:29px;font-weight:400;line-height:1.14}.lesson-panel>p,.modal>p{color:#71877a;margin-top:12px;font-size:13px;line-height:1.65}.lesson-panel .lesson-tip{color:#53765e;font-weight:600}.lesson-actions{align-items:center;gap:8px;margin-top:23px;display:flex}.primary-button{background:var(--green);color:#fff;text-align:left;border:0;border-radius:7px;flex:1;min-height:44px;padding:13px 15px;font-size:12px;font-weight:700}.primary-button span{float:right;font-size:17px;line-height:14px}.primary-button:disabled{background:#a7baaa}.primary-button:not(:disabled):hover{background:#326a50}.back-button,.skip-button{color:#748b7a;background:0 0;border:0;height:44px;font-weight:700}.back-button{width:36px;font-size:20px}.back-button:disabled{opacity:.35}.skip-button{padding:0 8px;font-size:12px}.game-actions{color:#788c7d;background:#fff;border:1px solid #e7ede3;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:22px;font-size:12px;display:flex}.game-actions button{color:var(--ink);white-space:nowrap;background:#fff;border:1px solid #cfdccc;border-radius:7px;padding:11px 14px;font-weight:700}.modal-backdrop{z-index:10;background:#17372dbb;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:#fff;border-radius:14px;width:100%;max-width:460px;max-height:calc(100dvh - 40px);padding:30px;position:relative;overflow:auto}.modal ol{color:#718577;padding-left:20px;font-size:13px;line-height:1.6}.modal li{padding:5px}.modal li strong{color:var(--ink)}.modal .primary-button{width:100%;margin-top:12px}.close{color:#809588;background:0 0;border:0;width:40px;height:40px;font-size:28px;position:absolute;top:12px;right:16px}.opponent-options{gap:8px;margin-top:20px;display:grid}.opponent-options button{text-align:left;color:var(--ink);background:#f8faf6;border:1px solid #dce6d9;border-radius:8px;justify-content:space-between;align-items:center;padding:16px;display:flex}.opponent-options span{color:#82998a;font-size:12px}@media (max-width:700px){.header{height:56px;padding:0 18px}.brand{font-size:23px}.rules-button{width:34px;height:34px}.main-content{padding:12px 16px 24px}.tabs{width:100%;max-width:360px;margin-bottom:10px}.tabs button{padding:8px}.workspace{flex-direction:column;gap:12px;max-width:480px;display:flex}.game-panel,.lesson-panel,.game-actions{width:100%}.board-area{max-width:min(100%,430px,max(250px,100dvh - 390px))}.board-heading{gap:12px;margin-bottom:5px}.board-heading>div{padding:4px 9px}.board{border-width:5px}.board-caption{margin-top:14px;font-size:11px}.lesson-panel{padding:14px 16px}.lesson-meta{font-size:9px}.progress{margin:7px 0 11px}.lesson-panel h2{font-size:21px}.lesson-panel>p{margin-top:6px;font-size:12px;line-height:1.45}.lesson-panel .lesson-tip{margin-top:5px}.lesson-actions{margin-top:10px}.game-actions{padding:12px 15px}.modal{padding:26px 22px}.modal-backdrop{align-items:end;padding:0}.modal{max-width:none;padding-bottom:max(26px,env(safe-area-inset-bottom));border-radius:16px 16px 0 0;max-height:90dvh}}@media (max-width:375px){.main-content{padding-left:12px;padding-right:12px}.board-heading{margin-bottom:2px}.lesson-panel{padding:12px 14px}.lesson-panel h2{font-size:19px}.lesson-panel>p{font-size:11px}.board-caption{margin-top:12px}}.online-empty{background:#fff;border:1px solid #e7ede3;border-radius:12px;max-width:440px;margin:30px auto;padding:28px}.online-empty h2{font:400 29px/1.15 DM Serif Display,Georgia,serif}.online-empty p{color:#71877a;margin:12px 0 20px;font-size:13px;line-height:1.6}.online-empty .primary-button{width:100%}.text-button{color:#748b7a;background:0 0;border:0;padding:14px 0;font-weight:700}.online-actions{flex-wrap:wrap}.online-actions p{color:#a13f3f;width:100%}.online-actions button{min-height:44px}@media (max-width:700px){.online-empty{margin:12px auto}.online-actions{justify-content:space-between}}.invite-qr{text-align:center;width:100%;color:var(--ink)}.invite-qr svg{background:#fff;max-width:100%;height:auto;margin:0 auto;display:block}.online-actions .invite-qr p{color:#71877a;margin:4px 0 10px;line-height:1.5}.join-code{border-top:1px solid #e7ede3;margin-top:24px;padding-top:20px}.join-code label{color:var(--ink);font-size:14px;font-weight:700}.online-empty .join-code p{margin:6px 0 12px}.join-code div{gap:8px;display:flex}.join-code input{min-width:0;font:inherit;text-transform:uppercase;letter-spacing:.08em;border:1px solid #cfdccc;border-radius:7px;flex:1;padding:11px 12px}.join-code button{background:var(--green);color:#fff;border:0;border-radius:7px;padding:0 18px;font-weight:700}.join-code button:disabled{background:#a7baaa}.invite-code{color:#71877a;border-top:1px solid #e7ede3;gap:6px;padding:12px 0 4px;font-size:12px;display:grid}.invite-code strong{letter-spacing:.15em;color:var(--ink);font-size:24px}