:root{--font-sans: Inter, "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--font-sans);color:var(--foreground);background:var(--background);font-synthesis:none;font-weight:400;--background: #f8f7f4;--foreground: #202328;--card: #ffffff;--card-foreground: #202328;--primary: #263e52;--primary-foreground: #ffffff;--secondary: #f0f1f2;--secondary-foreground: #263e52;--muted: #f0f1f2;--muted-foreground: #666b73;--accent: #edf0f3;--accent-foreground: #263e52;--destructive: #a84535;--destructive-foreground: #ffffff;--border: #d9dce0;--input: #d9dce0;--ring: #263e52;--sidebar: #f3f3f1;--sidebar-foreground: #3d444c;--radius: 7px;--color-text: var(--foreground);--color-text-muted: var(--muted-foreground);--color-text-subtle: var(--muted-foreground);--color-surface: var(--card);--color-surface-page: var(--background);--color-border: var(--border);--color-success: var(--primary);--color-warning: var(--destructive);--color-focus: var(--ring)}*{box-sizing:border-box}body{margin:0;font-size:14px;line-height:1.5}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font-family:inherit;font-size:inherit;line-height:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button{color:inherit}button:disabled{cursor:wait;opacity:.55}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--color-focus);outline-offset:4px}button{border:0}h1,h2,h3,p{margin:0}button svg{flex-shrink:0}button{transition:background .16s,transform .16s}button:active{transform:translateY(1px)}.app-shell{display:flex;min-height:100vh}.sidebar{width:238px;position:fixed;inset:0 auto 0 0;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:35px 22px 20px;z-index:10}.brand{display:flex;align-items:center;gap:10px;font-size:26px;font-weight:720;letter-spacing:-1px;padding-left:8px}.brand img{width:36px;height:36px;border-radius:11px}.brand-dot{color:var(--primary)}.workspace-label{font-size:9px;letter-spacing:1.7px;color:var(--muted-foreground);font-weight:600;margin:47px 13px 16px}nav{display:flex;flex-direction:column;gap:7px}.sidebar nav button{display:flex;align-items:center;gap:12px;text-align:left;background:transparent;border-radius:8px;padding:13px;font-size:12px;font-weight:500;color:var(--muted-foreground);min-height:45px}.sidebar nav button.active{color:var(--primary);background:var(--accent);font-weight:650}.sidebar nav button:hover{background:var(--accent)}.nav-count{margin-left:auto;border:1px solid var(--border);border-radius:5px;min-width:19px;text-align:center;font-size:10px;line-height:18px}.sidebar-note{border:1px solid var(--border);border-radius:10px;margin:46px 8px 0;padding:18px 15px;background:linear-gradient(135deg,var(--accent),transparent)}.tiny-leaf{color:var(--primary);margin-bottom:13px}.sidebar-note p{font-family:var(--font-sans);font-size:16px;font-style:italic;line-height:1.6;color:var(--foreground)}.sidebar-note>span{font-size:9px;color:var(--muted-foreground);display:block;margin-top:12px}.sidebar-bottom{margin-top:auto;padding-top:35px}.local-status{font-size:12px;color:var(--muted-foreground);display:flex;align-items:center;gap:7px;padding:0 8px 19px;border-bottom:1px solid var(--border)}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--primary);flex-shrink:0}.status-dot.offline{background:#a84535}.account-button{padding:18px 4px 0;display:flex;gap:11px;text-align:left;align-items:center;background:transparent;width:100%}.avatar{width:33px;height:33px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-family:var(--font-sans);font-size:16px;color:var(--primary)}.account-button>span:nth-child(2){flex:1;min-width:0}.account-button strong{display:block;font-size:11px;font-weight:600;overflow:hidden;text-overflow:ellipsis}.account-button small{display:block;font-size:12px;margin-top:4px;color:var(--muted-foreground)}.account-button>svg{color:var(--muted-foreground)}.account-button.active{color:var(--primary);padding:10px 7px 0;background:var(--accent);border-radius:var(--radius)}.account-button.active .avatar{background:var(--accent);color:var(--primary)}main{margin-left:220px;width:calc(100% - 220px);min-width:0}.topbar{height:56px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 36px;background:var(--background)}.breadcrumb{font-size:10px;color:var(--muted-foreground);display:flex;gap:13px;align-items:center}.breadcrumb span{color:var(--border)}.breadcrumb strong{color:var(--foreground);font-weight:500}.sync-status{display:flex;gap:7px;align-items:center;font-size:9px;background:transparent;color:var(--muted-foreground)}.page-content{max-width:1500px;margin:0 auto;padding:32px 36px 0}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.eyebrow{font-size:9px;letter-spacing:1.45px;font-weight:650;color:var(--muted-foreground)}.greeting{display:flex;align-items:center;gap:7px;font-size:8px;letter-spacing:1.25px;margin-bottom:13px}.greeting svg{color:#a2945e}h1{font-family:var(--font-sans);font-size:30px;font-weight:600;line-height:1.2;letter-spacing:-.03em;color:#202328}.page-heading p{font-size:12px;color:var(--muted-foreground);margin-top:13px;line-height:1.6}.date-label{font-size:10px;color:var(--muted-foreground);background:var(--secondary);border:1px solid #d9dce0;padding:8px 12px;border-radius:6px;text-transform:capitalize}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 257px;gap:27px}.main-column{min-width:0}.hero-card{display:flex;position:relative;isolation:isolate;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;min-height:216px}.hero-copy{padding:27px 28px;position:relative;z-index:2;width:62%;flex-shrink:0}.pill{background:var(--accent);border:1px solid var(--border);border-radius:4px;display:inline-block;padding:5px 7px;font-size:7px;color:var(--primary);letter-spacing:1.3px;font-weight:600}.hero-copy h2{font-family:var(--font-sans);font-size:24px;font-weight:600;line-height:1.25;letter-spacing:-.025em;margin-top:12px;color:var(--foreground)}.hero-copy p{font-size:14px;line-height:1.5;color:var(--muted-foreground);margin-top:8px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:var(--primary);border:1px solid var(--primary);color:var(--primary-foreground);border-radius:6px;min-height:43px;padding:11px 17px;font-size:14px;font-weight:600}.primary:hover{background:#1c3244}.hero-copy .primary{margin-top:24px}.hero-copy .primary svg{width:17px}.hero-caption{display:flex;gap:6px;align-items:center;color:var(--muted-foreground);font-size:8px;margin-top:12px}.hero-caption>span{margin:0 2px}.hero-art{position:absolute;width:180px;height:180px;right:22px;top:50%;transform:translateY(-50%)}.board-halo{display:none}.mini-board{position:relative;width:180px;right:auto;top:auto;transform:none;border:5px solid #e2cda9;outline:1px solid #8c785a;border-radius:4px;box-shadow:none}.goban{display:block;width:100%;height:auto;overflow:visible}.board-caption,.floating-stone{display:none}.stone-one{background:radial-gradient(circle at 35% 30%,var(--card),var(--border));left:-11px;bottom:25px}.stone-two{background:radial-gradient(circle at 35% 30%,#3d444c,var(--foreground));right:16px;top:6px;width:21px;height:21px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px;gap:12px}.section-heading h2{font-size:14px;letter-spacing:-.35px;font-weight:600}.section-heading>span{font-size:9px;color:var(--muted-foreground)}.modes-section{margin-top:29px}.mode-grid{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.mode-card{display:grid;grid-template-columns:36px minmax(8rem,1fr) minmax(0,1.25fr) auto;align-items:center;gap:13px;min-height:68px;background:var(--card);border:0;border-bottom:1px solid var(--border);border-radius:0;padding:12px 14px;text-align:left;min-width:0;transition:border-color .2s,box-shadow .2s}.mode-card:hover{background:#fafbfc;box-shadow:none}.mode-icon{width:34px;height:34px;border-radius:6px;display:grid;place-items:center;margin-bottom:0}.mode-icon.sage,.mode-icon.sand,.mode-icon.peach,.mode-icon.blue{background:var(--accent);color:var(--primary)}.mode-card h3{font-size:14px;font-weight:600;letter-spacing:-.2px;white-space:nowrap}.small-count{font-size:8px;background:var(--accent);color:var(--muted-foreground);border-radius:4px;padding:2px 4px;margin-left:3px;font-weight:400}.mode-card p{font-size:13px;line-height:1.4;color:var(--muted-foreground);margin:0;min-height:0}.mode-footer{display:flex;align-items:center;justify-content:space-between;color:var(--muted-foreground);font-size:12px;gap:3px}.collection-section{margin-top:28px}.text-link{display:inline-flex;align-items:center;gap:8px;background:transparent;padding:0;color:var(--primary);font-size:12px;line-height:1.5}.text-link:hover{color:var(--primary)}.collection-row{display:flex;align-items:center;border:1px solid var(--border);border-radius:9px;background:var(--card);padding:17px;gap:19px}.collection-cover{width:76px;height:89px;position:relative;overflow:hidden;border-radius:5px;background:#e5d2ad;flex-shrink:0}.cover-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(#8c785a55 1px,transparent 1px),linear-gradient(90deg,#8c785a55 1px,transparent 1px);background-size:19px 19px;transform:rotate(-15deg) scale(1.4)}.cover-black,.cover-white{position:absolute;width:29px;height:29px;top:26px;left:20px;background:var(--foreground);border-radius:50%;box-shadow:none}.cover-white{background:#fffaf0;top:42px;left:35px}.collection-cover small{position:absolute;bottom:5px;left:7px;font-size:9px;color:var(--muted-foreground)}.collection-info .eyebrow{font-size:7px;letter-spacing:1.3px}.collection-info h3{font-family:var(--font-sans);font-size:19px;font-weight:600;color:var(--foreground);margin:8px 0}.collection-info p{font-size:12px;color:var(--muted-foreground)}.collection-meta{display:flex;gap:13px;font-size:12px;color:var(--muted-foreground);margin-top:11px}.availability{color:var(--primary);display:flex;align-items:center;gap:4px}.round-button{margin-left:auto;width:30px;height:30px;border:1px solid var(--border);display:grid;place-items:center;border-radius:50%;background:transparent;color:var(--primary)}.round-button svg{width:14px}.right-column{display:flex;flex-direction:column;gap:21px}.daily-card{border:1px solid var(--border);border-radius:var(--radius);padding:23px 20px 0;background:var(--card)}.daily-card .section-heading{margin-bottom:9px}.daily-card .section-heading h2{font-size:13px}.daily-card .section-heading svg{color:var(--primary)}.daily-card>p{font-size:10px;color:var(--muted-foreground)}.daily-summary{width:auto;height:auto;min-height:54px;border-radius:6px;background:var(--secondary);padding:11px 12px;margin:14px 0;transform:none}.daily-summary>div{border-radius:0;height:100%;display:flex;flex-direction:row;align-items:baseline;justify-content:flex-start;gap:5px;background:transparent;transform:none}.daily-summary strong{font-family:var(--font-sans);font-size:22px;font-weight:600;line-height:1;color:var(--foreground);letter-spacing:-.03em}.daily-summary strong span{font-size:16px;font-family:var(--font-sans);color:var(--muted-foreground);letter-spacing:0}.daily-summary small{font-size:12px;color:var(--muted-foreground);margin:0}.week-row{display:flex;justify-content:space-between;padding:0 2px 22px}.week-row>div{display:flex;align-items:center;flex-direction:column;gap:10px;font-size:12px;color:var(--muted-foreground)}.week-row i{width:20px;height:20px;display:grid;place-items:center;border-radius:50%;font-style:normal;color:var(--muted-foreground);background:var(--secondary)}.week-row i.done{background:var(--primary);color:var(--primary-foreground)}.week-row i.today{border:1px solid var(--primary);color:var(--primary)}.daily-bottom{border-top:1px solid var(--border);padding:14px 0;display:flex;gap:6px;align-items:center;color:var(--muted-foreground);font-size:12px}.daily-bottom .status-dot{width:4px;height:4px}.numbers-card{border:1px solid var(--border);border-radius:var(--radius);padding:20px;background:var(--card)}.numbers-card .eyebrow{font-size:7px;letter-spacing:1.5px;color:var(--muted-foreground)}.numbers-card h2{font-family:var(--font-sans);font-size:19px;font-weight:600;color:var(--foreground);margin-top:8px;margin-bottom:19px}.number-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin:15px 0;color:var(--muted-foreground);gap:6px}.number-row strong{font-size:12px;font-weight:500;color:var(--foreground);white-space:nowrap}.numbers-card .text-link{border-top:1px solid var(--border);padding-top:16px;width:100%;margin-top:6px;justify-content:space-between;font-size:9px}.cycle-mini{margin:20px 0}.cycle-mini>span{display:flex;justify-content:space-between;font-size:12px;color:var(--muted-foreground);margin-bottom:8px}.cycle-mini strong{font-weight:500}.progress-track{height:5px;background:var(--secondary);border-radius:5px;overflow:hidden}.progress-track>span{height:100%;display:block;background:var(--primary);border-radius:5px;transition:transform .2s ease-out}blockquote{margin:2px 12px 0;font-family:var(--font-sans);font-size:14px;font-style:italic;line-height:1.7;text-align:center;color:var(--muted-foreground)}blockquote cite{display:block;font:6px/2 sans-serif;letter-spacing:1.4px;margin-top:13px;color:var(--muted-foreground)}footer{display:flex;justify-content:space-between;border-top:1px solid var(--border);margin-top:29px;padding:21px 0;color:var(--muted-foreground);font-size:8px}footer>span{display:flex;align-items:center;gap:6px}footer img{width:15px;opacity:.35;filter:grayscale(1)}footer i{font-style:normal;margin:0 2px}.mobile-nav{display:none}.alert{margin:18px 43px 0;background:var(--secondary);border:1px solid var(--border);border-radius:7px;padding:13px 16px;display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:12px;line-height:1.6}.alert.error{background:var(--accent);color:var(--destructive);border-color:var(--destructive)}.alert button{display:grid;place-items:center;background:transparent}.loading{padding:70px;text-align:center;color:var(--muted-foreground)}.narrow{max-width:1100px;padding-bottom:50px}.narrow .page-heading{margin-bottom:35px}.narrow .eyebrow+h1{margin-top:13px}.library-card{display:grid;grid-template-columns:1fr 1.3fr;gap:45px;padding:30px;background:#f0f1f2;border:1px solid var(--border);border-radius:var(--radius);align-items:center}.collection-catalog{display:grid;gap:18px}.collection-catalog .library-card{transition:border-color .16s,box-shadow .16s}.collection-catalog .library-card:hover,.collection-catalog .library-card.active{border-color:var(--primary);box-shadow:0 7px 22px #2023280d}.collection-card-heading{display:flex;justify-content:space-between;gap:12px;align-items:center}.collection-card-heading .availability{font-size:11px}.library-art{display:grid;place-items:center;padding:20px;max-width:320px;transform:none}.library-art .goban{box-shadow:none;border:6px solid #c4aa79;border-radius:6px}.library-card h2{font-family:var(--font-sans);font-size:30px;font-weight:600;margin:18px 0;color:var(--foreground)}.library-card p{font-size:14px;line-height:1.85;color:var(--muted-foreground)}.library-card .primary{margin-top:22px}.collection-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}.collection-actions .primary{margin-top:0}.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}.tag-row>span{font-size:12px;border:1px solid var(--border);border-radius:5px;padding:6px 9px;color:var(--muted-foreground)}.fine-print{font-size:12px!important;line-height:1.7;color:var(--muted-foreground)!important;margin-top:15px;display:flex;align-items:center;gap:5px}.license-note{display:flex;align-items:flex-start;gap:16px;margin:28px 0 40px;color:var(--muted-foreground)}.license-note>svg{flex-shrink:0}.license-note h3{font-size:14px;font-weight:600;color:var(--foreground);margin-bottom:7px}.license-note p{font-size:12px;line-height:1.8}.problem-list{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);overflow:hidden}.problem-list>div{display:flex;align-items:center;gap:16px;padding:15px 20px;border-bottom:1px solid var(--border);font-size:12px}.problem-list>div:last-child{border:0}.problem-list strong{font-weight:600}.problem-list small{display:block;color:var(--muted-foreground);font-size:12px;margin-top:5px}.show-more{margin:18px auto 0;display:flex}.problem-index{color:var(--muted-foreground);font-size:12px}.mastery-badge{border-radius:5px;background:var(--secondary);color:var(--primary);padding:5px 8px;font-size:12px;white-space:nowrap;margin-left:auto}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stats-grid>div{border:1px solid var(--border);background:var(--card);border-radius:var(--radius);padding:25px;display:flex;flex-direction:column;gap:13px}.stats-grid svg{color:var(--primary)}.stats-grid strong{font-family:var(--font-sans);font-size:32px;font-weight:600;color:var(--foreground)}.stats-grid span{font-size:12px;color:var(--muted-foreground)}.progress-section{margin-top:35px}.progress-section>h2{font-size:16px;margin-bottom:18px;font-weight:500}.empty-state{text-align:center;padding:44px 25px;border:1px dashed var(--border);border-radius:var(--radius);color:var(--muted-foreground);background:var(--secondary)}.empty-state>svg{margin-bottom:14px}.empty-state h3{font-family:var(--font-sans);font-size:22px;font-weight:600;margin-bottom:12px}.empty-state p{font-size:12px;line-height:1.8;margin-bottom:20px}.secondary{background:var(--card);border:1px solid var(--border);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:11px 17px;font-size:14px;min-height:43px;color:var(--muted-foreground)}.secondary:hover{background:var(--accent)}.empty-copy{font-size:12px;padding:25px;background:var(--secondary);border-radius:7px;color:var(--muted-foreground)}.cycle-list,.attempt-list{border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--card)}.cycle-item{display:grid;grid-template-columns:1.8fr .5fr .7fr;align-items:center;gap:14px;padding:21px;border-bottom:1px solid var(--border);font-size:12px;color:var(--muted-foreground)}.cycle-item>div:first-child{display:flex;align-items:center;gap:13px}.cycle-item .mode-icon{margin:0}.cycle-item h3{font-size:13px;color:var(--foreground);margin-bottom:7px}.cycle-item span{font-size:12px}.cycle-item .progress-track{grid-column:1/-1}.attempt-list>div{display:flex;align-items:center;gap:15px;padding:17px;border-bottom:1px solid var(--border);font-size:12px}.attempt-list>div:last-child{border:0}.attempt-list strong{font-weight:600}.attempt-list small{display:block;font-size:12px;color:var(--muted-foreground);margin-top:5px}.attempt-list>div>span:nth-last-child(2){margin-left:auto;white-space:nowrap;color:var(--muted-foreground)}.attempt-list .mastery-badge{margin:0}.result-symbol{color:#b59674;background:#f4eade;border-radius:50%;width:28px;height:28px;display:grid;place-items:center;flex-shrink:0}.result-symbol.success{background:var(--accent);color:var(--primary)}.settings-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:45px}.settings-card{padding:30px;border:1px solid var(--border);border-radius:11px;background:#fff}.settings-card h2,.settings-aside h2{font-family:var(--font-sans);font-size:24px;font-weight:600;margin-bottom:16px;color:var(--foreground)}.settings-card p,.settings-aside p{font-size:14px;line-height:1.9;color:var(--muted-foreground);margin:13px 0 22px}form label{display:block;font-size:12px;color:var(--foreground);margin-top:20px}form input{display:block;width:100%;margin-top:9px;border:1px solid var(--input);border-radius:6px;background:var(--card);padding:10px 12px;min-height:44px;color:var(--foreground);font-size:16px}form input::placeholder{color:var(--muted-foreground);opacity:1}form .primary{margin-top:25px}.full{display:flex;width:100%}.auth-switch{margin:22px auto 0;font-size:12px;display:block}.settings-aside{padding:30px 10px}.settings-aside>svg{margin-bottom:24px;color:var(--primary)}.settings-aside .license-note{border-top:1px solid var(--border);padding-top:24px;font-size:12px;line-height:1.8}.text-button{background:transparent;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 0;color:var(--muted-foreground);font-size:14px;min-height:44px}.text-button:hover{color:var(--primary)}.session-page{max-width:1120px;padding:25px 43px 40px;margin:auto}.session-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;font-size:11px;color:var(--muted-foreground)}.muted{color:var(--muted-foreground);margin:0 9px}.daily-summary{display:flex;min-height:54px;margin:14px 0;padding:11px 12px;background:var(--secondary);border-radius:6px}.daily-summary>div{display:flex;align-items:baseline;gap:5px}.daily-summary strong{color:var(--foreground);font-size:22px;font-weight:600}.daily-summary strong span,.daily-summary small{color:var(--muted-foreground);font-size:12px}.timer{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}.timer svg{width:15px}.session-content{display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:50px;align-items:center}.session-board{max-width:560px;min-width:0}.problem-heading{text-align:center;margin:30px 0 25px}.problem-heading h1{font-size:29px;margin:12px 0 11px}.problem-heading p{font-size:12px;color:var(--muted-foreground);display:flex;align-items:center;justify-content:center;gap:8px}.player-stone{display:inline-block;width:13px;height:13px;background:#252a2e;border-radius:50%;box-shadow:none}.player-stone.white{background:var(--card);border:1px solid var(--border)}.session-board>.goban{border:10px solid #d3b580;border-radius:11px;box-shadow:0 10px 30px #20232817}.intersection{cursor:pointer;outline:none}.intersection:hover{fill:color-mix(in srgb,var(--primary) 14%,transparent);rx:50%}.intersection:focus-visible{fill:color-mix(in srgb,var(--ring) 28%,transparent);stroke:var(--ring);stroke-width:2;rx:50%}.intersection[aria-disabled=true]{pointer-events:none}.session-panel{padding-top:50px}.session-panel h2{font-family:var(--font-sans);font-size:32px;font-weight:600;line-height:1.2;margin:18px 0;color:var(--foreground)}#password-help{display:block;margin-top:6px;color:var(--muted-foreground);font-size:12px}.session-panel>p{font-size:12px;line-height:1.9;color:var(--muted-foreground)}.feedback{display:flex;align-items:flex-start;gap:9px;background:#f0f1f2;border-radius:8px;padding:16px;margin:30px 0 20px;font-size:12px;line-height:1.7;color:var(--muted-foreground);min-height:86px}.feedback svg{flex-shrink:0;margin-top:2px}.feedback.correct{color:var(--primary);background:var(--accent)}.feedback.wrong{color:var(--destructive);background:var(--accent)}.feedback.ungraded{color:var(--muted-foreground);background:var(--secondary)}.session-tip{display:flex;align-items:center;gap:10px;border-top:1px solid var(--border);margin-top:25px;padding-top:20px;color:var(--muted-foreground)}.session-tip p{font-family:var(--font-sans);font-size:12px;font-style:italic;line-height:1.8}.session-tip svg{flex-shrink:0;width:18px}.session-panel .fine-print{justify-content:center;font-size:12px!important;color:var(--muted-foreground)!important}.session-complete{text-align:center;padding:80px 35px}.complete-icon{width:74px;height:74px;margin:0 auto 30px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--primary)}.session-complete h1{margin:17px 0}.session-complete>p{font-size:13px;color:var(--muted-foreground);line-height:1.8}.completion-stats{display:flex;justify-content:center;gap:45px;margin:45px 0}.completion-stats>div{display:flex;flex-direction:column;gap:12px}.completion-stats strong{font-family:var(--font-sans);font-size:32px;font-weight:600;color:var(--primary)}.completion-stats span{font-size:11px;color:var(--muted-foreground)}.session-complete .fine-print{justify-content:center}@media(min-width:1550px){.hero-card{min-height:335px}.hero-copy{padding:36px}.hero-copy h2{font-size:38px}.board-halo{width:300px;height:300px}.mode-card{padding:20px}.mode-card h3{font-size:14px}.mode-card p{font-size:11px}.mode-footer{font-size:9px}.hero-copy p{font-size:13px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 290px}.daily-summary{margin-top:28px;margin-bottom:29px}}@media(max-width:1250px){.sidebar{width:205px;padding-left:14px;padding-right:14px}main{margin-left:205px;width:calc(100% - 205px)}.page-content{padding:30px 28px 0}.topbar{padding:0 28px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 220px;gap:20px}.hero-copy h2{font-size:28px}.hero-copy{padding-left:23px;width:60%}.board-halo{left:-55px}.hero-card{min-height:301px}.mode-grid{grid-template-columns:1fr}.mode-card{position:relative;padding:16px}.mode-icon{margin-bottom:12px}.mode-card p{font-size:10px}.mode-footer{font-size:9px}.mode-card p br{display:none}.right-column{gap:20px}.daily-card{padding:20px 16px 0}.session-content{gap:30px;grid-template-columns:minmax(0,1fr) 205px}.session-page{padding:20px 28px}.session-panel h2{font-size:28px}.library-card{gap:25px;padding:22px}.narrow{padding-bottom:40px}}@media(max-width:1020px){.sidebar{width:185px}.brand{font-size:23px;gap:7px}.brand img{width:31px;height:31px}.sidebar nav button{font-size:11px;gap:10px}.workspace-label{font-size:8px;letter-spacing:1px}.sidebar-note{margin-top:30px;padding:13px}.sidebar-note p{font-size:14px}.sidebar-note>span{font-size:8px}.local-status{font-size:8px}main{margin-left:185px;width:calc(100% - 185px)}.dashboard-grid{grid-template-columns:minmax(0,1fr)}.right-column{display:grid;grid-template-columns:1fr 1fr}.right-column blockquote{display:none}.hero-card{min-height:300px}.hero-copy{width:52%}.board-halo{left:-10px}.hero-copy h2{font-size:33px}.mode-grid{grid-template-columns:1fr}.mode-card{padding:14px 10px}.mode-card h3{font-size:11px}.mode-card p{font-size:9px}.mode-footer{font-size:8px}.week-row{padding-bottom:18px}.numbers-card h2{margin-bottom:25px}.number-row{margin:24px 0}.page-heading h1{font-size:34px}.date-label{display:none}.settings-grid{gap:25px}.settings-card{padding:22px}.settings-aside{padding:23px 0}.session-content{display:flex;flex-direction:column;gap:0}.session-board{width:100%;max-width:500px}.session-panel{padding-top:20px;width:100%;max-width:500px}.session-panel>.eyebrow,.session-panel>h2,.session-panel>p:not(.fine-print):not(.sgf-comment),.session-tip{display:none}.feedback{margin:0 0 14px;min-height:0}.session-panel>.text-button{margin-top:8px}.session-heading>.text-button{font-size:0}.session-heading>.text-button svg{width:18px}.library-card{grid-template-columns:1fr 1.4fr;gap:15px;padding:18px}.library-art{padding:7px}.library-card h2{font-size:25px}.stats-grid>div{padding:18px}.stats-grid strong{font-size:26px}}@media(max-width:760px){.sidebar{display:none}main{width:100%;margin-left:0}.topbar{height:58px;padding:0 21px}.breadcrumb{font-size:9px;gap:9px}.sync-status{font-size:8px}.sync-status svg{width:15px}.page-content{padding:28px 20px 85px}.page-heading{margin-bottom:23px}.page-heading h1{font-size:33px;letter-spacing:-1px}.page-heading p{font-size:11px;margin-top:11px}.greeting{font-size:7px;letter-spacing:1px;margin-bottom:12px}.hero-card{min-height:0}.hero-copy{width:100%;padding:23px 20px}.hero-copy h2{font-size:24px;margin-top:18px}.hero-copy p{font-size:14px}.board-halo{left:-37px;top:35px;width:230px;height:230px}.hero-copy .primary{font-size:10px;padding:10px 12px;gap:11px;margin-top:21px}.hero-caption{font-size:7px}.board-caption{right:12px;bottom:16px;font-size:8px}.floating-stone.stone-one{left:-10px;bottom:30px;width:20px;height:20px}.stone-two{right:13px;top:15px;width:17px;height:17px}.pill{font-size:6px;letter-spacing:1px}.mode-grid{grid-template-columns:1fr;gap:12px}.mode-card{grid-template-columns:34px minmax(0,1fr) auto;gap:11px;padding:13px 14px}.mode-card h3{font-size:13px}.mode-card p{display:none}.mode-card p br{display:block}.mode-footer{font-size:12px}.section-heading>span{font-size:8px}.section-heading h2{font-size:14px}.modes-section{margin-top:25px}.right-column{gap:13px}.daily-card{padding:18px 14px 0}.daily-card .section-heading h2{font-size:14px}.daily-card .section-heading svg{width:16px}.daily-card>p{font-size:12px}.daily-bottom{font-size:12px;gap:4px;white-space:nowrap}.numbers-card{padding:18px 14px}.numbers-card h2{font-size:18px}.number-row{font-size:12px;margin:22px 0}.number-row strong{font-size:13px}.numbers-card .text-link{font-size:8px}.collection-row{padding:13px;gap:14px}.collection-cover{width:64px;height:83px}.collection-info h3{font-size:19px}.collection-info p{font-size:12px}.collection-meta{gap:9px;font-size:12px}.round-button{width:27px;height:27px;flex-shrink:0}.collection-info .eyebrow{font-size:6px}footer{font-size:7px;margin-top:24px;gap:12px;padding:20px 0 0;align-items:flex-start}footer>span{gap:5px}.mobile-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;background:#f8f7f4f2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;flex-direction:row;justify-content:space-around;border-top:1px solid var(--border);padding:8px 10px max(10px,env(safe-area-inset-bottom))}.mobile-nav button{background:transparent;display:flex;flex-direction:column;align-items:center;gap:5px;padding:5px 15px;min-width:55px;color:var(--muted-foreground);font-size:12px;border-radius:7px}.mobile-nav button.active{color:var(--primary);background:var(--accent)}.mobile-nav svg{width:18px;height:18px}.alert{margin:14px 20px 0;font-size:11px;padding:10px 13px}.library-card{grid-template-columns:1fr;gap:25px;padding:25px}.library-art{width:210px;margin:0 auto}.library-card h2{font-size:29px}.library-card .pill{font-size:7px}.library-card p{font-size:14px}.library-card .primary{width:100%}.license-note{margin:24px 0 30px;gap:11px}.license-note h3,.license-note p{font-size:13px}.problem-list>div{padding:14px 12px;gap:10px}.problem-list strong{font-size:13px}.problem-list small{font-size:12px;max-width:180px;line-height:1.7}.mastery-badge{font-size:12px;padding:4px 6px}.stats-grid{gap:9px}.stats-grid>div{padding:15px 11px;gap:12px}.stats-grid strong{font-size:22px}.stats-grid span{font-size:9px;line-height:1.6}.stats-grid svg{width:18px}.progress-section{margin-top:30px}.cycle-item{padding:15px;gap:10px;grid-template-columns:1.6fr .4fr .6fr}.cycle-item>div:first-child{gap:9px}.cycle-item .mode-icon{width:30px;height:30px;flex-shrink:0}.cycle-item h3{font-size:12px}.cycle-item span{font-size:9px}.attempt-list>div{gap:9px;padding:14px 10px;font-size:9px}.attempt-list small{font-size:8px}.settings-grid{grid-template-columns:1fr;gap:10px}.settings-aside{padding:25px 7px 0}.settings-card{padding:24px}.narrow .page-heading h1{font-size:32px}.session-page{padding:12px 20px 25px}.session-heading{font-size:10px;margin-bottom:8px}.session-heading .timer{font-size:11px}.problem-heading{margin:23px 0 20px}.problem-heading h1{font-size:27px}.problem-heading .eyebrow{font-size:8px}.session-board>.goban{border-width:7px}.session-panel .secondary,.session-panel .primary{min-height:47px}.session-panel .text-button{min-height:44px}.session-complete{padding:55px 20px}.session-complete h1{font-size:36px}.completion-stats{gap:25px}.completion-stats strong{font-size:27px}.completion-stats span{font-size:9px}.feedback{font-size:11px;padding:14px}.loading{font-size:12px;padding:55px 25px}}.sgf-comment{font-size:11px;line-height:1.8;color:var(--muted-foreground);margin-bottom:16px}.refutation-button{margin-bottom:16px}.goban-wrap{position:relative}.goban-wrap>.goban{display:block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sync-status,.round-button,.alert button{min-width:44px;min-height:44px;justify-content:center}.sync-status{color:var(--muted-foreground);font-size:12px}.round-button{width:44px;height:44px;color:var(--muted-foreground)}.alert button{display:inline-grid;place-items:center;margin:-8px -8px -8px 8px}.primary,.secondary,.text-button{min-height:44px}.page-heading p,.hero-copy p,.mode-card p,.session-panel>p,.feedback,.sgf-comment,.settings-card p,.settings-aside p{color:var(--muted-foreground);font-size:14px}.eyebrow,.pill,.mode-footer,.collection-meta,.mastery-badge,.cycle-item span,.attempt-list small,.stats-grid span,.completion-stats span,.hero-caption,.daily-bottom,footer{color:#7a8088;font-size:11px}.mode-card,.collection-row,.stats-grid>div,.settings-card,.problem-list,.cycle-list,.attempt-list{background:var(--card)}.hero-card{background:var(--secondary);overflow:hidden}.mode-card p,.mode-footer,.collection-meta,.cycle-mini>span,.number-row,.session-heading,.feedback,.empty-state,.empty-copy{color:var(--muted-foreground)}.feedback.correct{color:var(--color-success)}.feedback.wrong,.alert.error{color:var(--color-warning)}.cycle-mini small{display:block;margin-top:8px;color:var(--muted-foreground);font-size:12px;line-height:1.45}.progress-track>span{width:100%;transform:scaleX(var(--progress-scale, 1));transform-origin:left;transition:transform .2s ease-out}.leave-confirmation{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:12px 0;padding:16px 18px;background:var(--secondary);border:1px solid var(--color-border);border-radius:12px;color:var(--foreground)}.leave-confirmation strong{font-size:14px}.leave-confirmation p{margin-top:4px;color:var(--muted-foreground);font-size:13px;line-height:1.45}.leave-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}::selection{background:var(--primary);color:var(--primary-foreground)}input{caret-color:var(--primary)}@media(max-width:1020px){.session-heading>.text-button{font-size:12px}}@media(max-width:760px){.app-shell:has(.mobile-nav) main{height:calc(100dvh - 76px);overflow-y:auto}.page-content{padding-bottom:28px}.mobile-nav{min-height:76px}.mobile-nav button{min-height:52px;font-size:11px;color:var(--muted-foreground)}.sync-status{min-width:44px;min-height:44px;font-size:11px}.hero-copy{width:min(100%,21rem);position:relative;z-index:1}.hero-copy h2{font-size:clamp(26px,8vw,32px)}.hero-copy p,.mode-card p{font-size:13px;line-height:1.5}.hero-copy .primary{min-height:44px;font-size:12px}.hero-art{display:none}.round-button{width:44px;height:44px}.leave-confirmation{align-items:flex-start;flex-direction:column}.leave-actions{width:100%;justify-content:stretch}.leave-actions>button{flex:1 1 100%}}@media(max-width:380px){.hero-copy{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}