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14px;font-size:14px;font-weight:750;line-height:1.55}.lesson-message.success{background:var(--paper-green);color:var(--leaf-dark)}.lesson-message.error{color:#963f2c;background:#fce7df}.learn-intro{background:var(--ink);color:#fff;border-radius:22px;grid-template-columns:64px 1fr;align-items:center;gap:12px;margin-bottom:14px;padding:16px;display:grid}.learn-intro h2,.learn-intro p{margin:0}.learn-intro h2{font-size:16px}.learn-intro p{color:#ffffffd1;margin-top:4px;font-size:13px;font-weight:650;line-height:1.55}.lesson-list{gap:10px;display:grid}.lesson-card{text-align:left;cursor:pointer;border-radius:20px;grid-template-columns:47px 1fr auto;align-items:center;gap:12px;width:100%;min-height:84px;padding:12px 13px;display:grid}.lesson-card.completed{background:#f0f6eb}.lesson-number{background:var(--paper-green);width:47px;height:47px;color:var(--leaf-dark);border-radius:16px;place-items:center;font-size:15px;font-weight:950;display:grid}.lesson-card.completed .lesson-number{background:var(--leaf);color:#fff}.lesson-card h3{font-size:14px}.lesson-card p{color:var(--ink-soft);margin:4px 0 0;font-size:12px;font-weight:650;line-height:1.45}.lesson-arrow{font-size:19px;font-weight:700}.lesson-progress{gap:4px;margin:5px auto 13px;display:flex}.lesson-progress span{background:#dedbcf;border-radius:99px;flex:1;height:6px}.lesson-progress span.done{background:var(--leaf-light)}.lesson-progress span.current{background:var(--sun)}.lesson-instruction{background:var(--paper);border-radius:20px;min-height:91px;margin-bottom:10px;padding:15px 16px;box-shadow:0 7px 18px #193f3212}.lesson-instruction .step-kicker{color:var(--leaf);letter-spacing:.08em;font-size:12px;font-weight:900}.lesson-instruction h2{margin:4px 0 5px;font-size:17px;line-height:1.35}.lesson-instruction p{color:var(--ink-soft);margin:0;font-size:13px;font-weight:650;line-height:1.6}.lesson-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:10px;display:grid}.stats-hero{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px;display:grid}.stat-tile{background:var(--paper);border-radius:21px;min-height:112px;padding:17px;box-shadow:0 8px 20px #193f3212}.stat-tile strong,.stat-tile span{display:block}.stat-tile strong{margin:8px 0 2px;font-size:27px}.stat-tile span{color:var(--ink-soft);font-size:12px;font-weight:750}.stat-icon{color:var(--leaf);font-size:18px}.badge-grid{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.badge-item{aspect-ratio:1;color:#a1a49c;background:#ecebe4;border-radius:17px;place-items:center;font-size:22px;font-weight:900;display:grid}.badge-item.earned{color:#8a5b12;background:#fff3c9;border:1px solid #e5c36c;box-shadow:0 5px 12px #8a5b1221}.history-panel{background:var(--paper);border:1px solid #193f3214;border-radius:24px;margin-top:14px;padding:16px 14px;box-shadow:0 10px 26px #193f3214}.history-heading{align-items:flex-start;gap:12px;margin:0 2px 8px}.history-heading>div{min-width:0}.history-heading p{color:var(--ink-soft);margin:4px 0 0;font-size:11px;font-weight:700;line-height:1.45}.history-heading>span{background:var(--paper-green);color:var(--leaf-dark);border-radius:99px;flex:none;padding:5px 8px}.history-privacy{color:var(--ink-soft);background:#f3f6ef;border-radius:14px;margin:0 0 12px;padding:10px 11px;font-size:11px;font-weight:650;line-height:1.55}.history-empty{text-align:center;border:1px dashed #193f3233;border-radius:18px;align-content:center;place-items:center;min-height:104px;padding:18px;display:grid}.history-empty strong,.history-empty span{display:block}.history-empty strong{font-size:14px}.history-empty span{color:var(--ink-soft);margin-top:5px;font-size:11px;font-weight:650}.history-toolbar{grid-template-columns:minmax(0,1fr) auto;gap:7px;margin-bottom:10px;display:grid}.history-toolbar button,.history-copy-one,.history-delete-confirm button{cursor:pointer;border-radius:13px;min-height:44px;font-size:12px;font-weight:850}.history-copy-all{background:var(--ink);color:#fff;border:0;min-width:0;padding:7px 10px}.history-delete{color:#914030;background:#fff6f2;border:1px solid #9140302e;padding:7px 11px}.history-delete-confirm{background:#fff6f2;border:1px solid #9140302e;border-radius:15px;margin-bottom:10px;padding:11px}.history-delete-confirm p{color:#73362a;margin:0 0 8px;font-size:12px;font-weight:750;line-height:1.5}.history-delete-confirm>div{grid-template-columns:1fr 1fr;gap:7px;display:grid}.history-delete-confirm button{background:#fff;border:1px solid #193f321f}.history-delete-confirm button.danger{color:#fff;background:#914030;border-color:#914030}.history-list{gap:10px;display:grid}.history-card{background:#fffefa;border:1px solid #193f321a;border-radius:18px;min-width:0;padding:13px}.history-card>header{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:10px;display:grid}.history-card>header time,.history-card>header span{display:block}.history-card>header time{font-size:13px;font-weight:900}.history-card>header span{color:var(--ink-soft);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:11px;font-weight:700;overflow:hidden}.history-result{background:var(--paper-green);color:var(--leaf-dark);white-space:nowrap;border-radius:99px;padding:5px 8px;font-size:11px}.history-result.playing,.history-result.abandoned{color:#626860;background:#efeee8}.history-summary{flex-wrap:wrap;gap:5px;margin-top:10px;display:flex}.history-summary span{color:var(--ink-soft);background:#f1f3ec;border-radius:8px;padding:4px 7px;font-size:10px;font-weight:750}.history-score{color:var(--ink);margin:9px 0 0;font-size:11px;font-weight:800}.history-events{border-top:1px solid #193f3217;margin-top:9px}.history-events summary{min-height:44px;color:var(--leaf-dark);cursor:pointer;padding:13px 2px 9px;font-size:12px;font-weight:850}.history-events ol{max-height:330px;margin:0 0 9px;padding:0;list-style:none;display:grid;overflow-y:auto}.history-events li{border-top:1px solid #193f320f;grid-template-columns:45px minmax(0,1fr);gap:7px;padding:7px 2px;font-size:11px;font-weight:700;line-height:1.45;display:grid}.history-events li small{color:var(--ink-soft);font-size:10px;font-weight:750}.history-truncated{color:var(--ink-soft);margin:0 0 7px;font-size:10px;font-weight:650;line-height:1.45}.history-copy-one{background:var(--paper-green);width:100%;color:var(--leaf-dark);border:1px solid #193f3224;padding:7px 10px}.settings-list{gap:10px;display:grid}.setting-row{background:var(--paper);border:1px solid #193f3214;border-radius:18px;justify-content:space-between;align-items:center;min-height:64px;padding:10px 14px;display:flex}.setting-row strong,.setting-row span{display:block}.setting-row strong{font-size:13px}.setting-row span{color:var(--ink-soft);margin-top:3px;font-size:12px;font-weight:650}.premium-card{background:radial-gradient(circle at 100% 0, #f3b94f2e, transparent 10rem), var(--paper);border:1px solid #2756411f;border-radius:24px;margin-top:14px;padding:19px;box-shadow:0 10px 26px #193f3214}.premium-heading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.premium-heading .eyebrow{margin-bottom:4px}.premium-heading h2{margin:0;font-size:18px}.premium-badge{color:var(--ink-soft);background:#e4e7e1;border-radius:999px;flex:none;padding:6px 10px;font-size:11px;font-weight:900}.premium-badge.active{background:var(--sun);color:#4e3814}.premium-card>p{color:var(--ink-soft);margin:10px 0 14px;font-size:13px;font-weight:650;line-height:1.65}.premium-card>small{color:var(--ink-soft);margin-top:12px;font-size:10px;font-weight:650;line-height:1.55;display:block}.premium-actions{gap:8px;display:grid}.premium-success,.premium-web-note{border-radius:14px;margin-bottom:12px;padding:11px 13px;font-size:12px;font-weight:800;line-height:1.55}.premium-success{background:var(--paper-green);color:var(--leaf-dark)}.premium-web-note{color:#68593f;background:#f4eee0}.premium-restore{min-height:44px;color:var(--leaf-dark);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;font-size:12px;font-weight:850;text-decoration:underline}.toggle{cursor:pointer;background:#d4d6d0;border:0;border-radius:99px;width:50px;height:30px;position:relative}.toggle:after{content:"";background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .18s;position:absolute;top:4px;left:4px;box-shadow:0 2px 5px #00000029}.toggle.on{background:var(--leaf)}.toggle.on:after{transform:translate(20px)}.result-overlay{z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#10271fb8;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.result-card{background:var(--paper);text-align:center;border-radius:29px;width:min(100%,390px);padding:25px 21px 21px;animation:.28s ease-out result-rise;box-shadow:0 25px 80px #00000042}.result-card .mascot{margin:0 auto 14px}.result-card h2{font-size:25px}.result-card>p{color:var(--ink-soft);margin:7px 0 18px;font-size:12px;font-weight:650;line-height:1.6}.result-card>.score-note{margin:-9px 0 14px;font-size:12px}.parent-gate-card .eyebrow{justify-content:center;margin-bottom:5px}.parent-gate-question{background:var(--paper-green);border-radius:17px;grid-template-columns:1fr 100px;align-items:center;gap:10px;margin:4px 0 14px;padding:14px;display:grid}.parent-gate-question span{text-align:right;font-size:22px;font-weight:900}.parent-gate-question input{width:100%;min-height:48px;color:var(--ink);text-align:center;background:#fff;border:2px solid #2756413d;border-radius:12px;font-size:20px;font-weight:900}.parent-gate-error{color:#a73636!important;margin:-5px 0 14px!important;font-size:11px!important;font-weight:800!important}.result-score-row{background:var(--paper-green);border-radius:17px;justify-content:center;gap:22px;margin-bottom:18px;padding:13px}.result-score-row div strong,.result-score-row div span{display:block}.result-score-row div strong{font-size:19px}.result-score-row div span{color:var(--ink-soft);margin-top:2px;font-size:12px;font-weight:800}.result-actions{gap:8px;display:grid}.toast{z-index:80;right:50%;bottom:calc(92px + env(safe-area-inset-bottom));background:var(--ink);color:#fff;border-radius:15px;width:max-content;max-width:calc(100vw - 32px);padding:11px 15px;font-size:13px;font-weight:800;animation:.2s ease-out toast-in;position:fixed;transform:translate(50%);box-shadow:0 9px 26px #0000002e}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}@keyframes soft-pulse{0%,to{opacity:.76;transform:scale(.82)}50%{opacity:1;transform:scale(1)}}@keyframes stone-preview{0%{transform:scale(.93)}to{transform:scale(1)}}@keyframes result-rise{0%{opacity:0;transform:translateY(18px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes toast-in{0%{opacity:0;transform:translate(50%,10px)}to{opacity:1;transform:translate(50%)}}@media (height<=680px){.app-content.game-content{padding-top:8px}.screen-header{margin-bottom:8px}.game-status{min-height:60px;margin-bottom:7px}.mascot.small{--mascot-size:43px}.board-frame{max-width:min(100%,338px)}.game-controls{margin-top:7px}.control-button{min-height:47px}}@media (width>=540px){.app-shell{border-radius:30px;min-height:calc(100dvh - 36px);margin-block:18px}.app-content{min-height:calc(100dvh - 36px)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}