:root{--bg:#f6f7fb;--panel:#fff;--text:#202638;--muted:#7c8598;--line:#e9ebf3;--primary:#675cf1;--primary-dark:#5548db;--primary-soft:#f0efff;--green:#14b88b;--amber:#eeab4e;--red:#e96a78;--shadow:0 16px 50px rgba(28,37,76,.055);--sub:#fafbff;--sidebar:#171e34;--radius:20px;--kbd-bg:#ffffff;--kbd-line:#dfe4ed;--key-text:#343b4e;--key-shadow:#dde2eb}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,textarea:focus-visible,input:focus-visible{outline:3px solid #aaa3ff;outline-offset:2px}a{color:inherit;text-decoration:none}.ico{width:20px;height:20px;display:inline-block;vertical-align:middle;flex-shrink:0;stroke:currentColor}.ico svg{display:block;width:100%;height:100%}.app-shell{min-height:100vh;display:flex}.sidebar{width:250px;min-width:250px;background:var(--sidebar);color:#f5f5ff;min-height:100vh;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:29px 16px 19px;z-index:50;transition:transform .25s}.brand{display:flex;align-items:center;gap:11px;padding:0 11px;margin-bottom:58px}.brand-logo{width:42px;height:42px;border-radius:13px;background:linear-gradient(140deg,#8579fc,#5142d6);display:grid;place-items:center;color:#fff;box-shadow:0 7px 24px #594fe244}.brand-logo svg{width:30px}.brand strong{display:block;font-weight:770;letter-spacing:.5px;font-size:18px}.brand small{display:block;font-size:9px;letter-spacing:1.4px;color:#99a3c4;margin-top:5px;font-weight:700}.side-section-label{font-size:11px;letter-spacing:1.5px;font-weight:700;color:#7b88a6;padding:0 20px;margin-bottom:15px}.extra-label{margin-top:40px}.side-nav{display:flex;flex-direction:column;gap:7px}.side-nav-item{width:100%;display:flex;align-items:center;gap:14px;border:0;border-radius:12px;background:transparent;color:#99a4be;padding:13px 17px;text-align:left;font-size:13px;font-weight:600;transition:background .18s,color .18s}.side-nav-item .ico{height:19px;width:19px}.side-nav-item:hover{background:#282f4b;color:#fff}.side-nav-item.active{color:#fff;background:#4c477f;box-shadow:inset 3px 0 #928bff}.side-spacer{flex:1;min-height:25px}.side-daily{border-radius:16px;background:linear-gradient(135deg,#2f3b67,#272f55);padding:19px 17px;margin:0 6px 23px;border:1px solid #485276}.side-daily .sd-top{display:flex;align-items:center;gap:8px;color:#d9ddff;font-size:12px;font-weight:650}.side-daily .sd-top .ico{color:#ffc87b}.sd-number{font-size:29px;font-weight:800;line-height:1.2;margin:12px 0 3px;letter-spacing:-1px}.sd-number span{font-size:12px;font-weight:500;color:#9fa9cb;letter-spacing:0}.sd-prog{height:6px;border-radius:8px;background:#454e76;margin-top:15px;overflow:hidden}.sd-prog>div{height:100%;background:linear-gradient(90deg,#8b81ff,#a7e8bf);border-radius:8px}.sd-note{font-size:10px;color:#a8b2cf;margin-top:10px}.side-foot{font-size:10px;color:#707d9c;padding:0 10px;display:flex;align-items:center;gap:7px;white-space:nowrap}.side-foot span:last-child{margin-left:auto}.connection-dot{width:6px;height:6px;background:#3acb9a;border-radius:50%}.main-shell{min-width:0;flex:1}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 43px;background:var(--panel)}.breadcrumb{display:flex;align-items:center;gap:11px;color:#9aa2b3;font-size:12px}.breadcrumb strong{color:#495167;font-weight:700}.breadcrumb-arrow{font-size:15px;color:#c6cbd8}.topbar-right{display:flex;align-items:center;gap:18px}.topbar-tag{display:flex;align-items:center;gap:6px;color:#8993a5;font-size:11px}.topbar-tag .ico{width:14px;height:14px;color:#17ad7e}.icon-btn{background:transparent;border:0;color:#8b94aa;width:34px;height:34px;border-radius:10px;display:grid;place-items:center}.icon-btn:hover{background:var(--primary-soft);color:var(--primary)}.avatar{display:grid;place-items:center;background:#e4e1ff;color:var(--primary);border:2px solid #fff;box-shadow:0 0 0 1px #e7e4fa;width:35px;height:35px;border-radius:50%;font-size:13px;font-weight:800}.mobile-menu{display:none}#main-content{max-width:1510px;margin:0 auto;padding:37px 44px 65px;min-height:calc(100vh - 76px)}.eyebrow{font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:var(--primary);font-weight:800}.page-h1{font-size:28px;font-weight:790;letter-spacing:-.8px;line-height:1.25;margin:10px 0 9px}.page-sub{color:var(--muted);font-size:13px;line-height:1.9;margin:0}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:13px;font-weight:750;white-space:nowrap;padding:13px 18px;border-radius:11px;border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s}.btn:hover{transform:translateY(-1px)}.btn .ico{width:17px;height:17px}.btn-primary{background:var(--primary);color:white;box-shadow:0 8px 20px #6659ed2b}.btn-primary:hover{background:var(--primary-dark);box-shadow:0 11px 24px #6659ed44}.btn-white{background:#fff;color:var(--primary)}.btn-outline{border-color:var(--line);background:var(--panel);color:var(--text)}.btn-soft{background:var(--primary-soft);color:var(--primary)}.btn-danger{background:#fff0f2;color:#d35a6a}.btn-sm{padding:9px 13px;font-size:12px;border-radius:9px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.hero{min-height:266px;border-radius:23px;background:linear-gradient(117deg,#6c5fed 0%,#786de4 47%,#a596f3 100%);position:relative;overflow:hidden;color:white;display:flex;align-items:center;box-shadow:0 15px 30px #5f57d91e}.hero::before{content:"";position:absolute;width:480px;height:480px;right:-125px;top:-150px;border:1px solid #ffffff40;border-radius:50%;box-shadow:0 0 0 48px #ffffff08,0 0 0 110px #ffffff08}.hero::after{content:"";position:absolute;width:190px;height:190px;right:235px;bottom:-127px;background:#ffffff0d;border-radius:50%}.hero-copy{padding:37px 43px;z-index:2;max-width:590px}.hero-kicker{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:700;color:#e9e7ff;letter-spacing:.5px}.hero-kicker .ico{width:14px;height:14px}.hero h1{margin:14px 0 13px;font-size:33px;font-weight:820;line-height:1.38;letter-spacing:-.7px}.hero p{font-size:13px;color:#e7e5ff;line-height:1.95;max-width:420px;margin:0 0 21px}.hero-actions{display:flex;gap:11px;flex-wrap:wrap}.hero-secondary{background:#ffffff24;color:#fff;border-color:#ffffff4a}.hero-art{position:absolute;width:320px;right:30px;top:43px;transform:rotate(-12deg);filter:drop-shadow(0 16px 22px #32248660)}.mini-board{background:#eceafc;border:9px solid #e6e4f8;box-shadow:0 14px 0 #c2bfe9;border-radius:18px;padding:13px 14px 14px;display:flex;flex-direction:column;gap:6px}.mini-row{display:flex;gap:6px;justify-content:center}.mini-key{width:26px;height:28px;background:white;border-radius:5px;box-shadow:0 3px 0 #d2cdec;color:#7168b7;display:grid;place-items:center;font-size:10px;font-weight:800}.mini-key.highlight{background:#ffc785;color:#6b498a}.mini-row:nth-child(2){margin-left:12px}.mini-row:nth-child(3){margin-left:26px}.mini-row:nth-child(4) .mini-key{height:18px;width:156px}.small-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin:22px 0 30px}.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px 21px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.stat-kicker{color:var(--muted);font-size:11px;font-weight:650}.stat-number{font-size:30px;font-weight:800;margin:8px 0 4px;letter-spacing:-.8px}.stat-number small{font-size:13px;color:#9da5b5;font-weight:500;margin-left:3px}.stat-foot{color:#929bb0;font-size:10px}.stat-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:15px;background:var(--primary-soft);color:var(--primary)}.stat-icon.green{background:#e4f9f0;color:#16ae84}.stat-icon.orange{background:#fff2df;color:#e4a045}.section-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:32px 0 17px}.section-title h2{font-size:17px;margin:0;font-weight:800;letter-spacing:-.2px}.section-title .section-link{font-size:12px;color:var(--primary);font-weight:750;display:inline-flex;align-items:center;gap:6px;background:none;border:0}.section-link .ico{width:15px;height:15px}.recommended{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:21px;box-shadow:var(--shadow)}.rec-icon{width:60px;height:60px;display:grid;place-items:center;background:linear-gradient(145deg,#eeeaff,#e9f7ff);border-radius:17px;color:var(--primary);flex:none}.rec-main{display:flex;gap:17px;align-items:center}.rec-eyebrow{font-size:10px;letter-spacing:1px;font-weight:800;color:var(--primary);margin-bottom:7px}.rec-title{font-size:17px;font-weight:800;margin:0 0 6px}.rec-sub{font-size:12px;color:var(--muted);margin:0;line-height:1.8}.badge{display:inline-flex;align-items:center;gap:6px;border-radius:7px;padding:5px 9px;background:var(--primary-soft);color:var(--primary);font-size:10px;font-weight:800}.badge.green{background:#e0f8ef;color:#0b9e70}.badge.orange{background:#fff1db;color:#b8852f}.course-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.course-tile{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:20px;min-height:183px;text-align:left;box-shadow:var(--shadow);position:relative;display:flex;flex-direction:column;align-items:flex-start;transition:border-color .2s,transform .2s,box-shadow .2s}.course-tile:hover{transform:translateY(-3px);box-shadow:0 18px 35px #2b356015;border-color:#c6c0fa}.course-tile .course-ico{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;margin-bottom:14px}.course-ico.violet{background:#f0ecff;color:#7767db}.course-ico.orange{background:#fff1e0;color:#df984b}.course-ico.blue{background:#e9f3ff;color:#5795e0}.course-ico.green{background:#e6f8f1;color:#38a887}.course-tile h3{font-size:14px;font-weight:800;margin:0 0 6px}.course-tile p{font-size:11px;color:var(--muted);margin:0;line-height:1.7}.course-tile .course-bottom{width:100%;display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;color:#9ca4b4;font-size:10px}.bottom-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:18px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:23px;box-shadow:var(--shadow)}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-head h3{font-size:14px;margin:0;font-weight:780}.panel-head span{font-size:11px;color:var(--muted)}.week-chart{height:156px;display:flex;align-items:flex-end;gap:15px;padding:20px 5px 1px}.week-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:9px;height:100%;justify-content:flex-end}.week-track{flex:1;display:flex;align-items:end;width:100%;justify-content:center}.week-bar{width:min(28px,75%);min-height:4px;border-radius:7px 7px 3px 3px;background:#bcb6ff;transition:height .2s}.week-bar.today{background:linear-gradient(180deg,#766bf1,#b2aaff)}.week-label{font-size:10px;color:#9ca4b5}.week-tip{font-size:10px;color:var(--muted);margin-top:10px}.weak-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.weak-key{border:1px solid var(--line);width:43px;height:43px;display:grid;place-items:center;border-radius:10px;font-weight:800;background:var(--sub);font-size:16px;color:#555d71;box-shadow:0 3px 0 var(--line)}.weak-key small{font-size:9px;color:var(--red);font-weight:700}.weak-key-wrap{display:flex;flex-direction:column;gap:8px;align-items:center}.weak-caption{font-size:10px;color:var(--muted)}.weak-empty{font-size:12px;color:var(--muted);line-height:1.8}.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:27px}.page-header .page-h1{margin-top:8px}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 22px}.filter-chip{border:1px solid var(--line);background:var(--panel);border-radius:9px;padding:9px 14px;font-size:12px;color:var(--muted);font-weight:700}.filter-chip.active{border-color:#aea4ff;background:var(--primary-soft);color:var(--primary)}.course-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.lesson-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:19px;display:flex;align-items:center;gap:15px;text-align:left;min-width:0;transition:transform .2s,border-color .2s}.lesson-card:hover{transform:translateY(-2px);border-color:#bcb3ff}.lesson-num{border-radius:12px;display:grid;place-items:center;background:#f2f1ff;color:var(--primary);font-weight:800;font-size:13px;width:44px;height:44px;flex:none}.lesson-num.done{background:#e2f7ef;color:#15a57b}.lesson-content{flex:1;min-width:0}.lesson-title{font-size:13px;font-weight:800;margin-bottom:5px}.lesson-desc{font-size:11px;color:var(--muted);line-height:1.7}.lesson-tags{display:flex;gap:7px;margin-top:10px}.lesson-tag{font-size:10px;background:var(--sub);color:#828ba0;border:1px solid var(--line);padding:4px 7px;border-radius:6px}.lesson-arrow{color:#b1b6c3;flex:none}.lesson-stars{color:#dfb054;font-size:12px;letter-spacing:2px;white-space:nowrap}.test-intro{border-radius:20px;background:linear-gradient(125deg,#edeaff,#f9f8ff 57%,#e8f8f6);padding:32px 35px;border:1px solid #e8e3ff;display:flex;gap:35px;align-items:center}.test-intro-graphic{width:190px;height:165px;display:grid;place-items:center;flex:none}.test-clock{width:140px;height:140px;background:white;border-radius:50%;border:14px solid #c8c1ff;box-shadow:0 12px 32px #5a55be22;display:flex;justify-content:center;align-items:center;flex-direction:column}.test-clock strong{font-size:38px;color:#6154d8}.test-clock span{font-size:11px;color:#9ba2b5}.test-intro h2{font-size:24px;letter-spacing:-.5px;margin:0 0 12px}.test-intro p{font-size:13px;line-height:2;color:#717b91;max-width:500px}.test-features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.test-feature{background:var(--panel);border:1px solid var(--line);padding:20px;border-radius:14px}.test-feature .ico{color:var(--primary);margin-bottom:11px}.test-feature strong{display:block;font-size:13px;margin-bottom:8px}.test-feature p{font-size:11px;color:var(--muted);line-height:1.7;margin:0}.practice-head{display:flex;align-items:center;justify-content:space-between;gap:13px;margin-bottom:22px}.text-button{border:0;background:none;padding:5px 0;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.text-button:hover{color:var(--primary)}.practice-badge{font-size:11px;background:var(--primary-soft);color:var(--primary);border-radius:8px;padding:7px 12px;font-weight:750}.practice-top{display:flex;gap:17px;align-items:center;margin-bottom:17px}.practice-summary{flex:1}.practice-summary h1{margin:0 0 7px;font-size:24px;letter-spacing:-.4px}.practice-summary p{margin:0;font-size:12px;color:var(--muted);line-height:1.9}.practice-statboxes{display:flex;gap:11px}.practice-stat{background:var(--panel);border:1px solid var(--line);border-radius:13px;min-width:99px;padding:13px 15px}.practice-stat label{display:block;color:var(--muted);font-size:10px;margin-bottom:5px}.practice-stat strong{font-size:22px;font-weight:800;letter-spacing:-.5px}.practice-stat strong small{font-size:10px;color:var(--muted);font-weight:600}.practice-area{background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.practice-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:19px 25px;border-bottom:1px solid var(--line)}.practice-toolbar-left{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted)}.toolbar-dot{width:7px;height:7px;background:var(--green);border-radius:50%;box-shadow:0 0 0 4px #dbf9ee}.practice-tools{display:flex;gap:5px}.practice-tools button{border:0;background:transparent;color:var(--muted);padding:7px 10px;border-radius:8px;font-size:11px;display:flex;align-items:center;gap:5px}.practice-tools button:hover{background:var(--sub);color:var(--primary)}.practice-tools .ico{width:15px;height:15px}.progress-track{height:5px;background:#eceaf8}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,#7367fa,#40c9b0);transition:width .1s}.typing-region{margin:22px 24px 16px;border:2px solid transparent;border-radius:14px;padding:21px 22px;min-height:190px;position:relative;cursor:text;transition:background .16s,border-color .16s}.typing-region:hover{background:var(--sub)}.typing-region:focus-within{border-color:#e7e4ff;background:#fbfaff}.typing-prompt{font-family:"SFMono-Regular",Consolas,"Cascadia Code",monospace;white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;line-height:2.04;font-size:24px;letter-spacing:.1px;color:#9ca4b7;user-select:none;max-height:250px;overflow-y:auto;scrollbar-width:thin;outline:none}.typing-prompt .char{border-radius:3px;position:relative}.typing-prompt .char.correct{color:#229f79;background:#e8faf2}.typing-prompt .char.wrong{color:#e25768;background:#ffe7ec;text-decoration:underline;text-decoration-color:#ef8c9a}.typing-prompt .char.current{color:var(--text);background:#efedff}.typing-prompt .char.current::before{content:"";height:1.18em;width:2px;position:absolute;left:-2px;top:.2em;background:var(--primary);border-radius:5px;animation:blink 1s step-end infinite}.typing-prompt .char.current.flash{background:#ffe1e5;color:#d94f61}.typing-prompt .char.space.current{min-width:.5em;display:inline-block;background:#eae6ff}.typing-prompt .char.space.correct{background:transparent}.typing-prompt .char.space.correct::after{content:"·";color:#9edcc9;position:absolute;left:2px}.typing-prompt .char.space.wrong::after{content:"×";color:#e35e6b;position:absolute;left:0}.typing-region.paused{background:#f5f3ff}.pause-overlay{position:absolute;inset:0;background:#f9f8ffec;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;z-index:2;color:var(--primary);font-weight:800;font-size:18px}.pause-overlay[hidden]{display:none}@keyframes blink{0%,48%{opacity:1}50%,100%{opacity:0}}.typing-note{padding:0 28px 22px;color:#939aad;font-size:11px;display:flex;align-items:center;gap:8px}.typing-note .ico{width:15px;height:15px;color:#d5a452}.keyboard-panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:20px 20px 21px;margin-top:18px;box-shadow:var(--shadow)}.keyboard-header{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:14px}.keyboard-title{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:800}.keyboard-title .ico{color:var(--primary)}.key-hint{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);flex-wrap:wrap}.key-hint strong{color:var(--primary)}.key-hint .finger-mark{width:10px;height:10px;border-radius:3px;background:var(--active-finger,#8e80ef)}.keyboard-scroll{overflow-x:auto;padding-bottom:5px;scrollbar-width:thin}.keyboard{max-width:920px;min-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:6px;--unit:1;user-select:none}.keyboard-row{display:flex;gap:6px}.key{height:44px;min-width:0;flex:1;border:1px solid var(--kbd-line);border-bottom:3px solid var(--key-shadow);border-radius:7px;display:grid;place-items:center;background:var(--kbd-bg);font-size:13px;color:var(--key-text);font-weight:650;position:relative;transition:background .07s,border-color .07s,transform .07s}.key.home::after{content:"";position:absolute;bottom:4px;width:17px;height:2px;background:currentColor;border-radius:2px;opacity:.65}.key.finger-0{--finger:#e99fb7;--finger-bg:#fcebf1}.key.finger-1{--finger:#e7b17d;--finger-bg:#fff1e5}.key.finger-2{--finger:#d6b754;--finger-bg:#fbf6dd}.key.finger-3{--finger:#88bb8d;--finger-bg:#eaf7ed}.key.finger-4{--finger:#81b8a7;--finger-bg:#e8f7f2}.key.finger-5{--finger:#86b8e6;--finger-bg:#eaf4fd}.key.finger-6{--finger:#b1a2ed;--finger-bg:#f0edfd}.key.finger-7{--finger:#cf9cda;--finger-bg:#f9edfb}.key.finger-special{--finger:#b8bfd5;--finger-bg:#f6f7fa}.keyboard.colorize .key[data-finger]{background:var(--finger-bg)}.key.active{background:var(--finger)!important;border-color:var(--finger)!important;border-bottom-color:#0000001c!important;color:#262638!important;transform:translateY(2px);box-shadow:0 0 0 3px color-mix(in srgb,var(--finger),transparent 75%)}.key.last-wrong{background:#ee7886!important;color:white!important}.key.wide-back{flex:2}.key.tab{flex:1.45}.key.caps{flex:1.75}.key.enter{flex:1.85}.key.shift{flex:2.2}.key.space{flex:6}.key.ctrl{flex:1.2}.finger-legend{display:flex;justify-content:center;gap:9px 18px;flex-wrap:wrap;margin-top:17px;color:var(--muted);font-size:10px}.legend-item{display:flex;align-items:center;gap:6px}.legend-item i{display:block;width:10px;height:10px;border-radius:3px}.finger-tips{margin-top:15px;border-radius:12px;background:var(--sub);border:1px solid var(--line);padding:12px 15px;color:var(--muted);font-size:11px;display:flex;gap:9px;align-items:flex-start;line-height:1.8}.finger-tips .ico{color:var(--primary);width:17px;height:17px;margin-top:1px}.practice-footer{display:flex;justify-content:center;gap:10px;margin-top:19px}.free-card{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(250px,.65fr);gap:18px}.free-input{width:100%;padding:19px;border-radius:12px;border:1px solid var(--line);resize:vertical;min-height:225px;background:var(--sub);font-family:Consolas,monospace;font-size:14px;line-height:1.8;color:var(--text)}.free-input:focus{border-color:var(--primary);outline:none}.free-actions{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:15px;flex-wrap:wrap}.template-list{display:flex;flex-direction:column;gap:10px;margin-top:18px}.template-item{border:1px solid var(--line);border-radius:10px;text-align:left;background:var(--panel);display:flex;justify-content:space-between;align-items:center;padding:14px 15px}.template-item:hover{border-color:#c1b8fa;background:var(--sub)}.template-item strong{font-size:12px}.template-item small{display:block;color:var(--muted);font-size:10px;margin-top:6px}.report-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.report-overview .stat-card{padding:18px}.report-overview .stat-number{font-size:26px}.history-list{display:flex;flex-direction:column;margin-top:17px}.history-item{display:grid;grid-template-columns:1.5fr .55fr .55fr .65fr;gap:10px;align-items:center;border-top:1px solid var(--line);padding:15px 3px;font-size:12px}.history-item strong{font-weight:750}.history-item small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.history-item>span{font-weight:750;color:#576074}.history-header{font-size:10px;color:#9ca3b4!important;font-weight:700!important;padding:11px 3px}.empty-state{text-align:center;padding:44px 20px;color:var(--muted);font-size:12px}.empty-state .ico{width:40px;height:40px;color:#c2bee9;margin-bottom:10px}.result-overlay,.settings-overlay{position:fixed;inset:0;background:#171c35a8;backdrop-filter:blur(6px);z-index:120;display:flex;align-items:center;justify-content:center;padding:22px}.modal{width:min(540px,100%);background:var(--panel);border-radius:23px;padding:32px;box-shadow:0 22px 90px #17203b44;position:relative;max-height:90vh;overflow:auto}.modal-close{position:absolute;right:19px;top:17px}.result-medal{width:69px;height:69px;margin:0 auto 17px;background:#fff1da;color:#e0a145;border-radius:21px;display:grid;place-items:center}.result-medal .ico{width:38px;height:38px}.result-h{text-align:center;font-size:23px;font-weight:850;margin:0 0 9px}.result-p{font-size:12px;color:var(--muted);text-align:center;line-height:1.9;margin:0 auto 21px;max-width:380px}.result-stars{font-size:27px;letter-spacing:5px;color:#efbb62;text-align:center;margin-bottom:23px}.result-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:var(--sub);border-radius:13px;padding:16px 12px;text-align:center}.result-metrics strong{font-size:22px;display:block}.result-metrics span{display:block;color:var(--muted);font-size:10px;margin-top:7px}.result-note{font-size:12px;margin-top:20px;border-radius:12px;background:var(--primary-soft);padding:13px 14px;color:#6357ca;line-height:1.85}.result-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:24px}.settings-row{border-top:1px solid var(--line);padding:17px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}.settings-row strong{display:block;font-size:13px;margin-bottom:7px}.settings-row p{font-size:11px;color:var(--muted);line-height:1.6;margin:0}.switch{width:44px;height:25px;background:#cbd1df;border-radius:50px;border:0;padding:3px;flex:none;transition:background .2s}.switch::after{content:"";width:19px;height:19px;background:white;display:block;border-radius:50%;transition:transform .2s;box-shadow:0 2px 6px #0002}.switch.on{background:var(--primary)}.switch.on::after{transform:translateX(19px)}.toast-layer{position:fixed;right:25px;bottom:25px;z-index:200;display:flex;flex-direction:column;gap:9px}.toast{padding:13px 18px;color:#fff;background:#27314e;border-radius:11px;font-size:12px;box-shadow:0 9px 30px #141b3050;animation:toastIn .2s ease}@keyframes toastIn{from{transform:translateY(9px);opacity:0}to{transform:translateY(0);opacity:1}}.hidden{display:none!important}.accent{color:var(--primary)}.split-head{margin-bottom:23px}.help-list{line-height:2.1;font-size:13px;color:var(--muted);padding-left:22px}.tip-line{border-radius:12px;background:#fffaf0;border:1px solid #f8ead0;color:#a97a38;font-size:12px;padding:13px 16px;line-height:1.8}.key-difficulty-grid{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.difficult-label{font-size:11px;color:var(--muted);margin:0}.progress-inline{height:6px;border-radius:4px;background:var(--line);overflow:hidden}.progress-inline>div{height:100%;background:linear-gradient(90deg,#7e72f5,#a49afa)}
body.dark{--bg:#111727;--panel:#1c2536;--text:#f0f2fa;--muted:#9da8be;--line:#303d52;--primary:#9e93ff;--primary-dark:#8276ee;--primary-soft:#302d52;--green:#32d5a2;--sub:#202b3d;--shadow:0 14px 35px #080f1b42;--kbd-bg:#242f42;--kbd-line:#3b465b;--key-text:#e3e9f6;--key-shadow:#1a2331}body.dark .topbar,body.dark .panel,body.dark .stat-card{background:var(--panel)}body.dark .hero{background:linear-gradient(117deg,#493db3,#685dba,#8a75cc)}body.dark .hero .btn-white{background:#fff;color:#5d50ce}body.dark .test-intro{background:linear-gradient(125deg,#302e52,#242c3e);border-color:#38335a}body.dark .test-clock{background:#263047}body.dark .typing-region:focus-within{background:#252a42;border-color:#3b335f}body.dark .typing-prompt .char.current{color:#fff;background:#4c3fa5}body.dark .typing-prompt .char.correct{color:#76e9c5;background:#205346}body.dark .typing-prompt .char.wrong{color:#ff9bab;background:#603342}body.dark .typing-prompt .char.space.current{background:#494270}body.dark .pause-overlay{background:#232740ef}body.dark .finger-tips,body.dark .template-item:hover{background:#222e43}body.dark .tip-line{background:#392f27;color:#ffd89b;border-color:#62482d}body.dark .key.finger-0{--finger-bg:#483044}body.dark .key.finger-1{--finger-bg:#45352f}body.dark .key.finger-2{--finger-bg:#48442e}body.dark .key.finger-3{--finger-bg:#2e463a}body.dark .key.finger-4{--finger-bg:#29483f}body.dark .key.finger-5{--finger-bg:#2c3d50}body.dark .key.finger-6{--finger-bg:#383456}body.dark .key.finger-7{--finger-bg:#443250}body.dark .result-note{color:#c9c4ff}body.dark .test-feature{background:var(--panel)}
@media(min-width:1600px){#main-content{padding-left:60px;padding-right:60px}}@media(max-width:1180px){.hero-art{right:-33px;opacity:.72}.hero-copy{max-width:70%}.small-stats{gap:12px}.course-grid{grid-template-columns:repeat(2,1fr)}.sidebar{width:224px;min-width:224px}.topbar{padding:0 25px}#main-content{padding:29px 26px 55px}.stat-card{padding:17px}.bottom-layout{grid-template-columns:1fr 1fr}}@media(max-width:800px){.sidebar{transform:translateX(-100%);position:fixed}.sidebar.menu-open{transform:translateX(0);box-shadow:0 0 0 200vw #10182788}.mobile-menu{display:grid}.breadcrumb{margin-left:4px;margin-right:auto}.topbar{gap:11px;height:66px}.topbar-tag{display:none}#main-content{padding:23px 17px 50px}.hero-copy{max-width:100%;padding:27px}.hero-art{display:none}.hero h1{font-size:27px}.hero{min-height:245px}.small-stats{grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{padding:13px 10px}.stat-icon{display:none}.stat-number{font-size:24px}.stat-kicker{font-size:10px}.stat-foot{font-size:9px}.course-grid{grid-template-columns:repeat(2,1fr)}.bottom-layout{grid-template-columns:1fr}.course-list{grid-template-columns:1fr}.practice-top{flex-direction:column;align-items:stretch}.practice-statboxes{justify-content:stretch}.practice-stat{flex:1;min-width:0}.test-intro{flex-direction:column;padding:25px;gap:15px;align-items:flex-start}.test-intro-graphic{width:auto;height:auto;align-self:center}.test-clock{height:105px;width:105px;border-width:10px}.test-clock strong{font-size:28px}.test-features{grid-template-columns:1fr}.free-card{grid-template-columns:1fr}.report-overview{grid-template-columns:repeat(2,1fr)}.page-h1{font-size:24px}.topbar{padding:0 16px}.recommended{align-items:flex-start;flex-direction:column}.typing-prompt{font-size:19px}.typing-region{padding:15px;margin:14px 12px}.keyboard-panel{padding:17px 12px}.keyboard-header{align-items:flex-start;flex-direction:column}.history-item{grid-template-columns:1.2fr .6fr .6fr .6fr}}@media(max-width:420px){.hero h1{font-size:24px}.hero{min-height:245px}.hero-copy{padding:23px}.hero-actions .btn{padding:11px;font-size:11px}.course-grid{gap:9px}.course-tile{padding:15px;min-height:174px}.topbar-right{gap:8px}.stat-foot{display:none}.typing-prompt{font-size:17px}.practice-toolbar{padding:14px}.practice-stat{padding:11px}.practice-stat strong{font-size:18px}.result-metrics strong{font-size:17px}.modal{padding:24px 18px}.keyboard{min-width:610px}}
.typing-capture{position:absolute;width:1px;height:1px;left:0;top:0;padding:0;opacity:0;border:0;resize:none;pointer-events:none;overflow:hidden}
.legend-item{padding:6px 8px;border:1px solid transparent;border-radius:8px;transition:all .14s}
.legend-item.active{background:var(--primary-soft);border-color:#c5bdf7;color:var(--primary);font-weight:800}
.legend-item.active i{box-shadow:0 0 0 3px #887bf52b}

/* V1.2 - discoverable light/dark background controls */
.theme-switch{
  appearance:none;display:inline-flex;align-items:center;justify-content:center;
  gap:9px;padding:8px 10px;border:1px solid var(--line);border-radius:999px;
  background:var(--sub);color:var(--text);font-size:12px;font-weight:750;
  line-height:1;white-space:nowrap;min-height:38px;
  transition:background-color .2s,border-color .2s;
}
.theme-switch:hover{border-color:var(--primary);background:var(--primary-soft)}
.theme-switch-icon{display:grid;place-items:center;color:var(--primary)}
.theme-switch-text{min-width:48px;text-align:center}
.theme-switch-track{display:block;width:32px;height:18px;border-radius:999px;background:#d0d4e2;padding:2px;transition:background-color .2s}
.theme-switch-thumb{display:block;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transform:translateX(0);transition:transform .2s}
.theme-switch.is-dark .theme-switch-track{background:#8c80fc}
.theme-switch.is-dark .theme-switch-thumb{transform:translateX(14px)}
.theme-settings{padding:15px;margin:0 0 15px;border-radius:14px;background:var(--sub);border:1px solid var(--line)}
.theme-settings-heading strong{font-size:13px}
.theme-settings-heading p{font-size:11px;line-height:1.6;color:var(--muted);margin:6px 0 14px}
.theme-choices{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.theme-choice{border:1px solid var(--line);background:var(--panel);color:var(--muted);
  padding:11px 10px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  gap:8px;font-size:12px;font-weight:750}
.theme-choice:hover{border-color:var(--primary)}
.theme-choice.active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
body.dark{
  --bg:#101827;--panel:#1b2638;--sub:#222f43;
  --text:#f0f4ff;--muted:#b2bed0;--line:#384860;
  --sidebar:#0d1525;--primary:#a69cff;--primary-soft:#332e58;
  --kbd-bg:#233149;--kbd-line:#465771;--key-text:#f0f3fc;--key-shadow:#172338
}
body.dark .breadcrumb strong{color:var(--text)}
body.dark .theme-switch{border-color:#485b78;background:#26334b}
body.dark .theme-switch:hover{background:var(--primary-soft)}
body.dark .avatar{background:#34305f;border-color:#44516e}
body.dark .stat-foot,body.dark .course-tile .course-bottom,body.dark .history-item>span,
body.dark .weak-key,body.dark .test-intro p{color:var(--muted)}
body.dark .rec-icon{background:linear-gradient(145deg,#353056,#223a54)}
body.dark .lesson-num{background:#302d50}
body.dark .lesson-num.done{background:#184f42;color:#7be4c2}
body.dark .course-ico.violet{background:#352f56;color:#b9b1ff}
body.dark .course-ico.orange{background:#4b392e;color:#ffd49d}
body.dark .course-ico.blue{background:#263b51;color:#9fceff}
body.dark .course-ico.green{background:#21463d;color:#82e5bf}
body.dark .stat-icon.green{background:#21463d;color:#82e5bf}
body.dark .stat-icon.orange{background:#4b392e;color:#ffd49d}
body.dark .badge.green{background:#21463d;color:#82e5bf}
body.dark .badge.orange{background:#4b392e;color:#ffd49d}
body.dark .mini-board{background:#2c2b4e;border-color:#39365e;box-shadow:0 14px 0 #17152e}
body.dark .mini-key{background:#53547e;color:#f2efff;box-shadow:0 3px 0 #2f3150}
body.dark .mini-key.highlight{background:#f1b86b;color:#372e4e}
body.dark .typing-prompt{color:#a8b6ce}
body.dark .typing-region{color:var(--text)}
body.dark .typing-region:hover{background:var(--sub)}
body.dark .result-medal{background:#4e3c2e;color:#ffd59c}
body.dark .result-note{color:#d0cbff}
body.dark .test-clock{border-color:#5b568c}
body.dark .lesson-tag{color:#bac7dd}
body.dark .progress-track{background:#303c54}
body.dark .typing-region.paused{background:#292743}
body.dark .theme-choice{background:#26344c}
body.dark .theme-choice.active{background:var(--primary-soft)}
@media(max-width:620px){
  .topbar-right{gap:9px}
  .theme-switch{gap:5px;padding:7px 9px}
  .theme-switch-text{display:none}
}
@media(prefers-reduced-motion:reduce){
  .theme-switch,.theme-switch-track,.theme-switch-thumb{transition:none}
}