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.button{width:100%}.character-stage{display:flex;align-items:center;gap:12px;min-width:0}.character-stage .character{flex:0 0 auto;display:block;height:auto;object-fit:contain;-webkit-user-select:none;user-select:none}.character-stage--sm .character{width:68px}.character-stage--md .character{width:108px}.character-stage--lg .character{width:min(42vw,180px)}.character-line{position:relative;min-width:0;max-width:360px;order:2;padding:11px 13px;display:flex;flex-direction:column;color:var(--ink);background:#fff;border:2px solid var(--line-dark);border-radius:13px;font-size:12px;line-height:1.4}.character-line:before{content:"";position:absolute;left:-7px;top:22px;width:11px;height:11px;background:#fff;border-left:2px solid var(--line-dark);border-bottom:2px solid var(--line-dark);transform:rotate(45deg)}.character-line strong{color:var(--primary);font-size:11px}.character-line span{margin-top:2px}.loading-screen{min-height:100dvh;display:grid;place-items:center;background:#fff}.loader-mark{width:58px;height:58px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#866dff,var(--primary-dark));border-radius:18px;border-bottom:5px solid #4d31cf;box-shadow:0 13px 28px #5c3ee53d}.loader-mark svg{width:30px;height:30px;stroke-width:4}@media(min-width:600px){.home-page{padding-left:24px;padding-right:24px}.home-hero{display:grid;grid-template-columns:minmax(0,1fr) 310px;align-items:center;gap:24px}.home-hero>.character-stage{margin:0;flex-direction:column-reverse;align-items:center}.home-hero .character-line:before{left:50%;top:auto;bottom:-7px;transform:translate(-50%) rotate(-45deg)}.course-node{grid-template-columns:72px minmax(0,1fr);gap:18px}.course-path:before{left:35px}.path-orb{width:70px;height:70px}.course-node--right{margin-left:70px}.matching-grid,.example-grid{grid-template-columns:1fr 1fr}.finish-actions{flex-direction:row;justify-content:center}.feedback{min-height:104px;grid-template-columns:78px minmax(0,1fr) auto;padding-left:max(16px,calc((100vw - 760px)/2));padding-right:max(16px,calc((100vw - 760px)/2))}.feedback .button{grid-column:3;min-width:150px}.submit-zone{min-height:82px;padding-left:max(16px,calc((100vw - 760px)/2));padding-right:max(16px,calc((100vw - 760px)/2));flex-direction:row;justify-content:flex-end;align-items:center}.submit-zone>span{text-align:left;margin-right:auto}.submit-zone .button{width:auto;min-width:180px}}@media(min-width:900px){.exercise-card{padding:22px;border:2px solid var(--line)}.lesson-card{padding:24px}.game-main{padding-top:36px}}@media(min-width:1024px){.mobile-header,.mobile-nav{display:none}.desktop-sidebar{position:fixed;z-index:30;inset:0 auto 0 0;width:238px;padding:28px 20px 22px;display:flex;flex-direction:column;background:#fff;border-right:2px solid var(--line)}.desktop-sidebar .brand{padding:0 7px 24px;font-size:20px}.desktop-sidebar nav{display:flex;flex-direction:column;gap:6px}.desktop-sidebar nav a,.desktop-sidebar nav button{width:100%;min-height:48px;padding:0 13px;display:flex;align-items:center;gap:11px;color:#777c89;background:transparent;text-align:left;text-decoration:none;border:2px solid transparent;border-radius:13px;font-weight:900;cursor:pointer}.desktop-sidebar nav a:hover,.desktop-sidebar nav button:hover{background:var(--canvas)}.desktop-sidebar nav a.active,.desktop-sidebar nav button.active{color:var(--primary);background:var(--primary-soft);border-color:#d8d0ff}.desktop-sidebar nav svg{width:23px}.sidebar-level{margin-top:auto;padding:14px;background:#fffaf0;border:2px solid #f0d777;border-radius:var(--radius)}.level-heading{margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;gap:6px}.level-heading span{display:flex;align-items:center;gap:5px;color:#886800;font-size:13px;font-weight:900}.level-heading strong{color:#77715f;font-size:10px}.sidebar-level .progress-wrap{height:9px;background:#eee7cf}.sidebar-level .progress-bar{background:var(--yellow-dark)}.sidebar-level small{display:block;margin-top:9px;color:#77715f;font-size:10px;line-height:1.35}.app-content{padding:0;margin-left:238px}.home-page{padding-top:42px;padding-bottom:80px}.page-narrow{padding-top:55px}.app-shell--game{padding:0}.game-header{max-width:860px;margin:auto;border:0}.character-stage--lg .character{width:190px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.choice-options label:hover,.match-card:hover:not(:disabled){transform:none!important}}.tier-track{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}.tier-badge{display:inline-flex;align-items:center;gap:4px;border:1px solid #d9dfeb;border-radius:20px;padding:5px 9px;font-size:11px;color:#788397;background:#f5f6f9}.tier-badge.is-earned{font-weight:700;color:#594127;background:#f5dfc3;border-color:#d6a369}.tier-silver.is-earned{color:#49566e;background:#e4e9f1;border-color:#b8c3d5}.tier-gold.is-earned{color:#805b0a;background:#fff0b9;border-color:#e3be49}.tier-crystal.is-earned{color:#3b528e;background:#e1efff;border-color:#8fb8e9}.is-broken{border-style:dashed!important;filter:saturate(.35)}.practice-reward{text-align:center;color:#657089;margin-bottom:16px}.offline-status{padding:.45rem 1rem;color:#4c3a7c;background:#eee9ff;font-size:.8rem;text-align:center}