@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;600;700;800&display=swap');
[hidden]{display:none!important}
@media(max-width:560px){body .settings-panel{grid-template-columns:1fr}body .settings-panel .field{margin:12px 0}body .settings-panel .switch-row{margin-top:12px}}
:root{--bg:#f7f7f2;--ink:#263c32;--muted:#798079;--line:#e5e8df;--green:#335b46;--orange:#c8704d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'DM Sans',sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:4px}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;border-right:1px solid var(--line);background:#fffef9;padding:34px 24px;display:flex;flex-direction:column;z-index:5}.brand{font:800 27px Manrope,sans-serif;letter-spacing:-1.5px;display:flex;align-items:center}.brand-mark{display:grid;place-items:center;width:33px;height:35px;border-radius:9px;background:var(--green);color:#dbe8b6;font-size:27px;margin-right:9px;letter-spacing:0}.brand-dot{color:var(--orange)}.workspace-label{font-size:10px;letter-spacing:1.7px;color:#959b93;margin:53px 10px 20px}nav{display:grid;gap:8px}nav a{display:flex;align-items:center;gap:12px;padding:13px 12px;font-weight:500;color:#767f75;border-radius:9px}nav a span{font-size:21px;width:22px}nav a.active{background:#eaf0e1;color:#304c36}nav small{margin-left:auto;background:#e1e7d7;padding:3px 7px;border-radius:5px;font-size:10px}.sidebar-note{margin:auto 0 28px;padding:20px 17px;background:#f2f2e8;border-radius:12px}.mini-spark{font-size:26px;color:var(--orange)}.sidebar-note h3{font:700 16px/1.55 Manrope;margin:10px 0}.sidebar-note p{font-size:12px;color:var(--muted);line-height:1.7}.sidebar-note a{font-size:11px;font-weight:700;border-bottom:1px solid #b8c2b2;padding-bottom:4px}.local-note{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:7px;margin:0 0 22px}.status-dot{height:6px;width:6px;border-radius:50%;background:#7a9470;flex-shrink:0}.profile{border-top:1px solid var(--line);padding-top:23px;display:flex;gap:10px;align-items:center}.avatar{width:35px;height:35px;background:#e7e8db;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:600}.profile strong{font-size:11px;display:block}.profile span:not(.profile-star){font-size:10px;color:var(--muted);display:block;margin-top:3px}.profile-star{margin-left:auto;color:var(--orange)}.app-shell{margin-left:244px}.topbar{height:83px;padding:0 44px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#fafaf6}.breadcrumb{font-size:12px;color:var(--muted)}.breadcrumb span{margin:0 13px;color:#c6c9bf}.breadcrumb strong{color:var(--ink);font-weight:500}.topbar-right{display:flex;gap:22px;align-items:center}.date{font-size:11px;color:#82887e}.small{width:31px;height:31px}main{max-width:1360px;margin:0 auto;padding:36px 44px 20px}.page-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px;gap:20px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:1.8px;color:var(--muted)}h1{font:800 30px/1.3 Manrope,sans-serif;letter-spacing:-1px;margin:10px 0}h2{font:800 19px Manrope;letter-spacing:-.5px;margin:0}h3{font:700 16px Manrope;margin:0}.subtitle{color:var(--muted);line-height:1.7;margin:5px 0 0}.pill{border:1px solid var(--line);border-radius:30px;padding:8px 12px;font-size:11px;white-space:nowrap;background:#fffef8}.pill span{color:var(--orange);margin-right:5px}.hero{display:grid;grid-template-columns:1.25fr 1fr;background:#eaf0df;border:1px solid #dfe6d5;border-radius:18px;overflow:hidden;min-height:253px;position:relative}.hero-text{padding:31px 32px;z-index:1}.hero .eyebrow{color:#658053}.hero h2{font-size:29px;line-height:1.3;margin:12px 0;max-width:360px;letter-spacing:-1px}.hero p{font-size:12px;line-height:1.8;color:#738169;max-width:330px;margin:0 0 22px}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:0;background:var(--green);color:white;padding:12px 19px;border-radius:8px;font-size:12px;font-weight:600}.button:hover{background:#254737}.button.secondary{background:white;border:1px solid var(--line);color:var(--ink)}.button.secondary:hover{background:#f0f3e9}.hero-art{position:relative;display:grid;place-items:center;overflow:hidden}.hero-art:before{content:'';position:absolute;width:260px;height:260px;border:1px solid #d7dfc5;border-radius:50%;box-shadow:0 0 0 35px #e4ebd8,0 0 0 36px #dce4ce;transform:translate(18px,14px)}.decor-abacus{position:relative;width:240px;height:183px;border:12px solid #d6b187;border-radius:13px;background:#f4ebd9;box-shadow:7px 12px 0 #b4be9c44;transform:rotate(-9deg);display:flex;justify-content:space-evenly;padding:10px 7px}.decor-abacus:after{content:'';position:absolute;left:0;right:0;top:53px;height:7px;background:#d6b187}.decor-rod{height:100%;width:5px;background:#b09276;display:flex;flex-direction:column;align-items:center;gap:5px}.decor-bead{width:29px;height:16px;border-radius:50%;background:#6e8865;border-bottom:3px solid #516a48;flex-shrink:0}.decor-bead:first-child{margin-top:20px;margin-bottom:17px;background:#c87e58;border-color:#b96c47}.decor-rod:nth-child(even) .decor-bead{background:#ddb359;border-color:#c99b46}.art-caption{position:absolute;bottom:19px;right:25px;font:500 11px Manrope;color:#738265;transform:rotate(-9deg)}.spark{position:absolute;font-size:26px;color:#7d945e}.spark.one{top:27px;right:30px}.spark.two{bottom:38px;left:14px;color:#c5875f}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:23px 0 30px}.stat{border:1px solid var(--line);background:white;padding:18px 20px;border-radius:12px;position:relative}.stat-label{font-size:11px;color:var(--muted)}.stat-value{font:800 27px Manrope;margin:9px 0 5px;letter-spacing:-1px}.stat-value small{font:400 12px 'DM Sans';color:var(--muted);letter-spacing:0}.stat-foot{font-size:10px;color:#8d9488}.stat-icon{position:absolute;right:17px;top:17px;background:#f2f4eb;border-radius:8px;width:29px;height:29px;display:grid;place-items:center;color:#8c9a7e;font-size:16px}.two-col{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(250px,1fr);gap:25px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.section-head a{font-size:11px;color:var(--muted)}.lesson-list{display:grid;gap:11px}.lesson-row{border:1px solid var(--line);border-radius:12px;padding:17px;background:white;display:flex;align-items:center;gap:15px;width:100%;text-align:left;color:var(--ink)}.lesson-row:hover{border-color:#acbd98}.lesson-number{height:48px;width:48px;border-radius:11px;display:grid;place-items:center;background:#f0eee3;color:#979372;font:600 18px Manrope;flex-shrink:0}.lesson-row:nth-child(2) .lesson-number{background:#f7e9df;color:#bc8765}.lesson-row:nth-child(3) .lesson-number{background:#e7ece6;color:#72917b}.lesson-info h3{font-size:13px;margin-bottom:7px}.lesson-info p{font-size:10px;color:var(--muted);margin:0}.lesson-info p span{margin:0 6px;color:#c4c8bd}.lesson-arrow{margin-left:auto;font-size:17px;color:#98a489}.done-label{color:#648356;font-size:10px;margin-left:auto}.goal-card{border:1px solid var(--line);border-radius:13px;padding:24px;background:white}.goal-top{display:flex;justify-content:space-between;align-items:center}.goal-top h3{font-size:14px}.goal-top span{font-size:10px;color:var(--muted)}.goal-circle{width:112px;height:112px;border-radius:50%;margin:23px auto 18px;background:conic-gradient(var(--green) var(--angle,0deg),#eef1e7 0);display:grid;place-items:center}.goal-circle-inner{width:91px;height:91px;border-radius:50%;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center}.goal-circle strong{font:800 27px Manrope}.goal-circle small{font-size:9px;color:var(--muted);margin-top:3px}.goal-card p{text-align:center;color:var(--muted);font-size:11px;line-height:1.8;margin:0}.goal-card .button{width:100%;margin-top:18px}.tip{padding:18px 20px;border:1px solid #e6e3d2;background:#f1efdf;border-radius:13px;margin-top:17px;display:flex;gap:12px}.tip-icon{font-size:20px;color:#a19d6c}.tip strong{font-size:11px}.tip p{font-size:11px;color:#8a8976;line-height:1.8;margin:6px 0 0}footer{max-width:1360px;margin:auto;padding:24px 44px 28px;font-size:10px;color:#999e94;display:flex;justify-content:space-between}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-card{padding:24px;border:1px solid var(--line);border-radius:14px;background:white}.course-art{height:90px;background:#edf0e2;border-radius:10px;display:grid;place-items:center;font:700 35px Manrope;color:#78906b;margin-bottom:22px}.course-card:nth-child(even) .course-art{background:#f5e9df;color:#ba8a63}.course-card h3{margin:12px 0;font-size:16px}.course-card p{font-size:12px;line-height:1.8;color:var(--muted);min-height:65px}.course-card .button{width:100%;margin-top:17px}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:22px}.practice-panel,.settings-panel,.progress-panel{background:white;border:1px solid var(--line);border-radius:15px;padding:25px}.practice-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px}.tag{font-size:10px;background:#edf1e5;padding:7px 10px;border-radius:20px;color:#758267}.timer{font-size:12px;color:var(--muted)}.question-area{text-align:center;padding:28px 0 20px}.question-area p{font-size:12px;color:var(--muted)}.question{font:800 40px Manrope;letter-spacing:-1px;margin:8px 0 10px}.abacus{border:11px solid #c6a47d;background:#faf4e8;border-radius:12px;position:relative;height:262px;display:flex;justify-content:space-evenly;margin:5px auto 20px;max-width:500px;box-shadow:0 5px 0 #ebe0cd}.abacus:after{content:'';position:absolute;top:69px;height:9px;left:0;right:0;background:#c6a47d;pointer-events:none;z-index:2}.rod{position:relative;width:48px;height:230px}.rod:before{content:'';position:absolute;left:23px;top:7px;bottom:5px;width:3px;background:#b7a58e}.bead{position:absolute;left:3px;width:43px;height:23px;border-radius:50%;border:0;background:#b8c7a0;box-shadow:inset 0 -4px #94aa7a;z-index:1;transition:top .15s,background .15s}.bead.on{background:#456b50;box-shadow:inset 0 -4px #2f5139}.bead.upper{background:#dda178;box-shadow:inset 0 -4px #c3855c}.bead.upper.on{background:#c6704d;box-shadow:inset 0 -4px #ac5539}.place-label{position:absolute;bottom:-34px;text-align:center;width:100%;font-size:9px;color:#958c7e}.abacus-readout{text-align:center;font-size:11px;color:var(--muted);padding-top:11px}.abacus-readout strong{font:600 22px Manrope;color:var(--ink);margin-left:9px}.board-actions{text-align:center;margin:12px 0 20px}.text-button{border:0;background:transparent;color:#7b896c;font-size:11px;padding:6px;text-decoration:underline;text-underline-offset:3px}.answer-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px}.answer-row input{border:1px solid var(--line);border-radius:8px;padding:12px;width:140px;background:#fafbf6;color:var(--ink)}.feedback{padding:13px 17px;background:#eff4e8;border-radius:8px;margin:20px 0 0;line-height:1.7;font-size:12px}.feedback.wrong{background:#fbede5;color:#9c654c}.settings-panel h3{font-size:15px;margin-bottom:21px}.field{display:block;font-size:11px;color:var(--muted);margin:18px 0}.field select{display:block;width:100%;padding:10px;background:#fafbf6;border:1px solid var(--line);border-radius:7px;color:var(--ink);margin-top:8px}.switch-row{display:flex;align-items:center;gap:10px;font-size:12px;padding:6px 0;cursor:pointer}.switch-row input{accent-color:var(--green)}.settings-note{border-top:1px solid var(--line);margin-top:23px;padding-top:19px;color:var(--muted);font-size:11px;line-height:1.9}.settings-note strong{color:var(--ink)}.session-summary{margin-top:20px;display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.progress-panel{margin-top:20px}.activity-bars{display:flex;gap:14px;height:155px;align-items:end;margin-top:25px}.activity-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:end;height:100%;gap:9px;font-size:10px;color:var(--muted)}.activity-bar{background:#94ac7e;width:100%;max-width:55px;min-height:3px;border-radius:7px 7px 0 0}.empty{color:var(--muted);font-size:13px;padding:20px 0;line-height:1.8}.history{width:100%;border-collapse:collapse;margin-top:20px;font-size:12px}.history th{text-align:left;color:var(--muted);font-weight:400}.history td,.history th{padding:13px 8px;border-bottom:1px solid var(--line)}.correct{color:#5a7c48}.incorrect{color:#b16b4e}.progress-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:25px;gap:15px}.progress-bottom p{font-size:11px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:18px;max-width:620px;width:calc(100% - 32px);padding:30px;color:var(--ink);background:#fffef9}dialog::backdrop{background:#203b3266;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between}.icon-button{border:0;background:#edf0e5;color:var(--ink);border-radius:50%;width:30px;height:30px}dialog h2{font-size:25px;margin:15px 0}dialog p,dialog li{font-size:14px;line-height:1.9;color:#6e7969}dialog .lesson-example{padding:20px;background:#edf1e4;border-radius:10px;font-size:15px;line-height:1.8;margin:20px 0}.dialog-actions{display:flex;gap:10px;margin-top:25px;flex-wrap:wrap}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;padding:14px 20px;border-radius:10px;box-shadow:0 5px 25px #18322422;z-index:50;display:none;font-size:12px}.toast.show{display:block}.storage-warning{padding:12px;border-radius:8px;background:#fbede5;font-size:12px;margin-bottom:20px}
@media(min-width:1500px){main{padding-top:44px}.hero{min-height:275px}.hero-text{padding:37px}.stats{margin:27px 0 35px}.sidebar{width:260px}.app-shell{margin-left:260px}}@media(max-width:1150px){.sidebar{width:205px;padding:30px 17px}.app-shell{margin-left:205px}main{padding:28px}.topbar{padding:0 28px}.hero h2{font-size:25px}.decor-abacus{width:205px}.stats{gap:10px}.stat{padding:17px 14px}.two-col{gap:18px;grid-template-columns:1.4fr 1fr}.practice-layout{grid-template-columns:1fr 240px}.course-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:850px){.sidebar{width:76px;padding:26px 12px}.brand{font-size:0;letter-spacing:0}.brand-mark{margin:0 auto}.brand-dot,.workspace-label,.sidebar-note,.local-note,.profile{display:none}nav{margin-top:38px}nav a{font-size:0;gap:0;justify-content:center;padding:14px 0}nav a span{font-size:24px;text-align:center}nav small{display:none}.app-shell{margin-left:76px}.two-col{grid-template-columns:1fr}.side-column{display:grid;grid-template-columns:1fr 1fr;gap:16px}.tip{margin:0;align-items:center}.hero-art .decor-abacus{width:170px;height:160px}.decor-bead{width:23px;height:14px}.hero-text{padding:25px}.practice-layout{grid-template-columns:1fr}.settings-panel{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.settings-panel h3,.settings-note{grid-column:1/-1}.stats{grid-template-columns:repeat(2,1fr)}footer{padding:25px 28px}}@media(max-width:560px){main{padding:23px 16px}.topbar{height:65px;padding:0 17px}.date{display:none}.page-heading{display:block;margin-bottom:23px}.page-heading .pill{display:inline-block;margin-top:12px}h1{font-size:25px}.hero{grid-template-columns:1fr}.hero-text{padding:25px}.hero-art{display:none}.hero h2{font-size:26px}.stat-icon{display:none}.stat-value{font-size:25px}.side-column{display:block}.tip{margin-top:17px}.lesson-row{gap:10px;padding:13px}.lesson-info h3{font-size:12px}.lesson-number{width:35px;height:40px}.course-grid{grid-template-columns:1fr}.practice-panel{padding:18px 12px}.settings-panel{padding:18px}.question{font-size:32px}.bead{width:35px;left:6px}.answer-row{flex-wrap:wrap}.activity-bars{gap:7px}.history{font-size:10px}.progress-panel{padding:18px 12px}.progress-bottom{align-items:start;flex-direction:column}footer{padding:25px 16px;font-size:9px;gap:10px}.breadcrumb{font-size:10px}.breadcrumb span{margin:0 6px}dialog{padding:23px}}