:root{--bg:#0b0b0f;--surface:#16161d;--surface-2:#1f1f28;--line:#2a2a35;--text:#f5f5f7;--muted:#9a9aab;--accent:#c6ff3d;--accent-ink:#0b0b0f;--danger:#ff5c5c;--warn:#ffb547;--new:#5cc8ff;--radius:18px;--nav-h:68px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif}:root[data-theme=light]{--bg:#f4f4f1;--surface:#fff;--surface-2:#ececea;--line:#deded9;--text:#121216;--muted:#62626e;--accent:#3d6b00;--accent-ink:#fff;--danger:#c62828;--warn:#9a5b00;--new:#0068a8;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:light){:root[data-theme=system]{--bg:#f4f4f1;--surface:#fff;--surface-2:#ececea;--line:#deded9;--text:#121216;--muted:#62626e;--accent:#3d6b00;--accent-ink:#fff;--danger:#c62828;--warn:#9a5b00;--new:#0068a8;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0}body{min-height:100dvh;line-height:1.4}button,input,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;padding:0}button:disabled{opacity:.55;cursor:default}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}input,select{border:1px solid var(--line);background:var(--surface-2);border-radius:14px;min-width:0;min-height:48px;padding:0 14px;font-size:16px}.full{width:100%}.grow{flex:1;min-width:0}.row{align-items:center;gap:8px;display:flex}.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.app{padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 24px)}.screen{max-width:560px;padding:calc(env(safe-area-inset-top) + 16px) 16px 16px;margin:0 auto}.screen-head{justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:16px;display:flex}h1{letter-spacing:-.03em;margin:0;font-size:34px;font-weight:800;line-height:1.05}.eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin:0 0 4px;font-size:13px;font-weight:700}.lede{color:var(--muted);margin:0 0 20px;font-size:17px}.section-title{text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:8px;margin:24px 0 10px;font-size:15px;font-weight:800;display:flex}.section-title .count{letter-spacing:0;font-weight:600}.stack{flex-direction:column;gap:10px;display:flex}.group{margin-bottom:8px}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--line);align-items:stretch;display:flex;position:relative;overflow:hidden}.card:before{content:"";background:var(--course);flex:none;width:5px}.card-main{text-align:left;flex:1;min-width:0;min-height:64px;padding:12px 8px 12px 14px}.card-big .card-main{padding:16px 8px 16px 16px}.card-top{text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:8px;font-size:12px;font-weight:700;display:flex}.course-name{color:var(--course);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}:root[data-theme=light] .course-name{color:var(--text)}.rank{background:var(--text);width:22px;height:22px;color:var(--bg);border-radius:50%;flex:none;place-items:center;font-size:12px;display:inline-grid}.card-title{margin:4px 0 6px;font-size:16px;font-weight:700;line-height:1.25}.card-big .card-title{letter-spacing:-.01em;font-size:20px}.card-meta{flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:14px;display:flex}.due{font-weight:600}.due.big{margin:0;font-size:18px}.due-over{color:var(--warn)}.first-action{background:var(--surface-2);border-radius:12px;margin:10px 0 0;padding:10px 12px;font-size:14px;line-height:1.35}.first-action.solo{margin:0 0 10px}.is-done .card-title{color:var(--muted);text-decoration:line-through}.check{width:56px;color:var(--accent-ink);flex:none;place-items:center;font-size:20px;font-weight:800;display:grid;position:relative}.check:after{content:"";border:2.5px solid var(--muted);border-radius:50%;width:28px;height:28px;position:absolute}.check{isolation:isolate}.check:after{z-index:-1}.check.checked:after{background:var(--accent);border-color:var(--accent)}.check.small{width:36px;height:36px;font-size:14px}.check.small:after{width:22px;height:22px}.chip{border:1px solid var(--line);background:var(--surface);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;min-height:40px;padding:0 14px;font-size:14px;font-weight:600;display:inline-flex}.chip-on{background:var(--text);color:var(--bg);border-color:var(--text)}.chip-quiet{background:var(--surface-2);border:0;min-height:0;padding:2px 8px;font-size:12px}.chips-row{flex-wrap:wrap;gap:8px;margin:10px 0;display:flex}.chips-row.scroll-x{scrollbar-width:none;flex-wrap:nowrap;margin-left:-16px;margin-right:-16px;padding:0 16px;overflow-x:auto}.chips-row.scroll-x::-webkit-scrollbar{display:none}.dot{background:var(--course);border-radius:50%;flex:none;width:10px;height:10px;display:inline-block}.dot.big{width:16px;height:16px}.seg{background:var(--surface-2);border-radius:16px;gap:4px;padding:4px;display:grid}.seg-2{grid-template-columns:1fr 1fr}.seg-3{grid-template-columns:repeat(3,1fr)}.seg-4{grid-template-columns:repeat(4,1fr)}.seg button{border-radius:12px;min-height:44px;padding:6px 4px;font-size:14px;font-weight:700}.seg-4 button{flex-direction:column;align-items:center;gap:2px;min-height:60px;font-size:12px;display:flex}.seg-emoji{font-size:18px}.seg button.on{background:var(--surface);box-shadow:0 1px 0 var(--line), 0 0 0 2px var(--text) inset}.flag{letter-spacing:.06em;border-radius:6px;flex:none;padding:2px 6px;font-size:10px;font-weight:800}.flag-new{background:var(--new);color:#00121e}.flag-changed{background:var(--warn);color:#1e1200}.btn{background:var(--surface-2);min-height:48px;color:var(--text);border-radius:14px;justify-content:center;align-items:center;gap:6px;padding:0 18px;font-weight:700;text-decoration:none;display:inline-flex}.btn-block{width:100%;margin-top:10px;display:flex}.btn-accent{background:var(--accent);color:var(--accent-ink)}.btn-ghost{border:1px solid var(--line);background:0 0}.btn-danger{border:1px solid var(--danger);color:var(--danger);background:0 0}.btn-danger-solid{background:var(--danger);border:1px solid var(--danger);color:#fff}.btn-danger-solid:disabled{color:var(--danger);opacity:.5;background:0 0}.delete-account .delete-list{gap:10px;margin:0;padding-left:18px;line-height:1.45;display:grid}.delete-account .delete-list code,.account-deleted code{overflow-wrap:anywhere}.delete-account .owner-warning{border-color:var(--danger)}.delete-account .check-row{align-items:flex-start;gap:10px;margin-top:8px;font-weight:600;display:flex}.delete-account .check-row input{flex:none;width:20px;height:20px;margin-top:2px}.delete-account .delete-type{margin-bottom:8px;display:block}.delete-account #delete-confirm{letter-spacing:.08em;width:100%}.account-deleted{gap:12px;max-width:440px;margin:0 auto;padding:24px 16px}.account-deleted h1{margin:0}.link-btn{min-height:44px;color:var(--muted);text-underline-offset:3px;margin:14px auto 0;font-weight:600;text-decoration:underline;display:block}.icon-btn{background:var(--surface-2);border-radius:50%;flex:none;width:44px;height:44px;font-size:16px}.icon-btn.small{width:36px;height:36px;color:var(--muted);background:0 0}.sync-pill{background:var(--surface);border:1px solid var(--line);min-height:40px;color:var(--muted);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:0 12px;font-size:13px;font-weight:600;display:inline-flex}.sync-pill.has-err{color:var(--warn);border-color:var(--warn)}.spin{animation:.9s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.banner{background:var(--surface);border:1px solid var(--line);text-align:left;border-radius:14px;width:100%;margin:10px 0;font-size:15px;font-weight:600;display:block}button.banner{min-height:52px;padding:14px 16px}.banner-accent{border-color:var(--accent);color:var(--accent)}.banner-head{text-align:left;justify-content:space-between;gap:8px;width:100%;min-height:52px;padding:14px 16px;font-weight:600;display:flex}.banner-list{margin:0;padding:0 8px 8px;list-style:none}.banner-list button{text-align:left;border-radius:10px;align-items:center;gap:8px;width:100%;min-height:44px;padding:6px 8px;font-size:14px;display:flex}.banner-list button:active{background:var(--surface-2)}.notice{background:color-mix(in srgb, var(--warn) 14%, transparent);color:var(--text);border-radius:12px;margin:10px 0;padding:10px 14px;font-size:14px}.win{margin:10px 0;font-weight:600}.empty{text-align:center;background:var(--surface);border-radius:var(--radius);border:1px dashed var(--line);padding:28px 16px}.empty-big{margin:0 0 4px;font-size:22px;font-weight:800}.after{margin-top:16px}.after-toggle{text-transform:uppercase;letter-spacing:.05em;border-top:1px solid var(--line);justify-content:space-between;align-items:center;width:100%;min-height:52px;padding:0 4px;font-size:15px;font-weight:800;display:flex}.sheet-backdrop{z-index:50;background:#0000008c;justify-content:center;align-items:flex-end;animation:.15s ease-out fade;display:flex;position:fixed;inset:0}.sheet{overscroll-behavior:contain;background:var(--bg);width:100%;max-width:560px;max-height:92dvh;padding:8px 16px calc(24px + env(safe-area-inset-bottom));border-radius:24px 24px 0 0;animation:.2s ease-out up;overflow-y:auto}.sheet-grab{background:var(--line);border-radius:3px;width:40px;height:5px;margin:0 auto 10px}.sheet-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.sheet-head h2{letter-spacing:-.02em;margin:0 0 6px;font-size:24px;line-height:1.15}.sheet-sec{margin-top:20px}.sheet-sec h4{text-transform:uppercase;letter-spacing:.06em;margin:0 0 8px;font-size:13px}.steps{margin:0 0 8px;padding:0;list-style:none}.steps li{border-bottom:1px solid var(--line);align-items:center;gap:6px;min-height:44px;display:flex}.steps li.done .step-text{color:var(--muted);text-decoration:line-through}.step-text{flex:1;min-width:0}.step-add{gap:6px;display:flex}.step-add input{flex:1}.step-add select{width:72px;padding:0 6px}.desc{white-space:pre-wrap;margin:0;font-size:14px}.timer{background:var(--surface);border:2px solid var(--accent);border-radius:14px;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;display:flex}.timer-num{font-variant-numeric:tabular-nums;font-size:28px;font-weight:800}@keyframes up{0%{opacity:0;transform:translateY(40px)}}@keyframes fade{0%{opacity:0}}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;padding:4px 16px 16px}.panel .section-title{margin-top:14px}.course-row{border-bottom:1px solid var(--line);padding:10px 0}.course-row p{margin:6px 0 0 24px}details{margin-top:12px}summary{cursor:pointer;align-items:center;min-height:44px;font-weight:600;display:flex}.help{margin:0 0 16px;padding-left:20px;line-height:1.6}.template{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;padding:12px 14px}.template p{margin:0 0 10px;font-size:14px}.onboarding{padding-top:calc(env(safe-area-inset-top) + 48px)}.onboarding form{flex-direction:column;display:flex}.code-input{letter-spacing:.3em;text-align:center;margin-top:4px;font-size:24px}.center-row{justify-content:center;gap:18px}.center-row .link-btn{margin:8px 0 0}.steps-dots{gap:6px;margin-bottom:14px;display:flex}.steps-dots span{background:var(--line);border-radius:2px;width:28px;height:4px}.steps-dots span.on{background:var(--accent)}.logo{margin-bottom:12px;font-size:48px}.boot{text-align:center;place-content:center;min-height:100dvh;display:grid}.bottom-nav{z-index:40;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.bottom-nav button{color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:12px;font-weight:700;display:flex}.nav-icon{font-size:22px;line-height:1}.bottom-nav button.on{color:var(--text)}.bottom-nav button.on .nav-icon{color:var(--accent)}@media (prefers-reduced-motion:reduce){*{animation:none!important}}.bb-panel{background:var(--surface-2);border-radius:14px;margin:12px 0 4px;padding:12px 14px}.bb-stats{grid-template-columns:1fr 1fr;gap:10px;display:grid}.bb-stats div{flex-direction:column;display:flex}.bb-label{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:700}.bb-stats strong{font-size:22px;font-weight:800}.bb-grade{color:var(--accent)}.bb-status{margin:8px 0 0;font-size:14px;font-weight:700}.bb-status.late{color:var(--warn)}.chip-grade{color:var(--accent);font-weight:800}.bb-grade.low,.chip-grade.low{color:var(--warn)}.chip-bb{color:var(--accent)}.ext-line{align-items:center;gap:8px;margin:4px 0;font-weight:700;display:flex}.ext-line .dot{background:var(--muted)}.ext-line .dot-ok{background:var(--accent)}.ext-line .dot-warn{background:var(--warn)}.banner.tip{border-color:var(--accent);align-items:flex-start;display:flex}.banner.tip .banner-head{color:var(--accent);flex:1}.tip-close{margin:8px 6px 0 0}.ext-onboard{text-align:left;border-color:var(--accent)}.ext-onboard p{margin:0}textarea{font:inherit;color:inherit;border:1px solid var(--line);background:var(--surface-2);resize:none;border-radius:14px;min-width:0;padding:12px 14px;font-size:16px;line-height:1.35}.tiny{font-size:11px}.coach h4 .muted{text-transform:none;letter-spacing:0;font-weight:500}.coach .coach-btn:first-of-type{margin-top:4px}.coach-off{border:1px dashed var(--line);color:var(--muted);border-radius:12px;margin:0 0 4px;padding:10px 12px;font-size:14px}.coach-card{background:var(--surface);border:2px solid var(--accent);border-radius:16px;margin-top:10px;padding:14px}.coach-first{margin:0 0 10px;font-size:16px}.coach-steps{margin:0 0 6px;padding-left:22px}.coach-steps li{border-bottom:1px solid var(--line);padding:6px 0}.coach-steps li span:first-child{margin-right:6px}.coach-days{background:var(--surface-2);border-radius:12px;margin:8px 0;padding:8px 12px;font-size:14px}.coach-days p{margin:4px 0}.coach-row{margin-top:8px}.micro.compact{margin-top:-2px}.micro.compact .btn{margin-top:0}.micro-action{margin:0 0 6px;font-size:18px;font-weight:700;line-height:1.3}.thinking{align-items:center;gap:8px;display:inline-flex}.dots{gap:3px;display:inline-flex}.dots i{opacity:.35;background:currentColor;border-radius:50%;width:6px;height:6px;animation:1s infinite blink}.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}@keyframes blink{50%{opacity:1}}.timer-label{margin:8px 2px 0;font-weight:600}.tutor{z-index:60;background:var(--bg);flex-direction:column;animation:.2s ease-out up;display:flex;position:fixed;inset:0}.tutor-head{padding:calc(10px + env(safe-area-inset-top)) 16px 10px;border-bottom:1px solid var(--line);align-items:center;gap:10px;display:flex}.tutor-title{flex-direction:column;flex:1;min-width:0;display:flex}.tutor-title strong{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.tutor-title .eyebrow{margin:0}.tutor-clear{min-height:40px;padding:0 12px;font-size:14px}.tutor-body{overscroll-behavior:contain;flex-direction:column;flex:1;gap:10px;width:100%;max-width:640px;margin:0 auto;padding:16px;display:flex;overflow-y:auto}.tutor-empty .empty-big{margin-top:8px}.tutor-starters{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.tutor-chip{min-height:44px;padding:0 14px;font-size:15px}.bubble{border-radius:18px;max-width:88%;padding:10px 14px;font-size:16px}.bubble.me{background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:6px;align-self:flex-end}.bubble.coach{background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:6px;align-self:flex-start}.rich{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.tutor-compose{padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);width:100%;max-width:640px;margin:0 auto}.tutor-compose .row{align-items:flex-end}.tutor-compose .tiny{margin:6px 0 0}.tutor-compose .notice,.tutor-compose .coach-off{margin:0 0 8px}.legal{padding-bottom:calc(env(safe-area-inset-bottom) + 32px)}.legal h1{margin:12px 0 10px}.legal p,.legal li{font-size:15px;line-height:1.55}.legal ul{margin:0 0 8px;padding-left:20px}.legal li+li{margin-top:6px}.legal a,.legal-links a{color:var(--accent);text-underline-offset:3px}.legal code{overflow-wrap:anywhere;font-size:.9em}.legal-back{align-items:center;min-height:44px;font-weight:700;text-decoration:none;display:inline-flex}.legal-links{margin:18px 0 8px}.legal-links a{padding:10px 4px;display:inline-block}.toggles{margin-top:6px;display:grid}.toggle-row{border-bottom:1px solid var(--line);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:52px;display:flex}.toggle-row:last-child{border-bottom:0}.toggle-row input[type=checkbox]{appearance:none;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;border-radius:999px;flex:none;width:50px;min-width:50px;height:30px;min-height:30px;padding:0;transition:background .15s;position:relative}.toggle-row input[type=checkbox]:after{content:"";background:var(--muted);border-radius:50%;width:22px;height:22px;transition:transform .15s,background .15s;position:absolute;top:3px;left:3px}.toggle-row input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}.toggle-row input[type=checkbox]:checked:after{background:var(--accent-ink);transform:translate(20px)}.quiet-row{margin-top:8px}.quiet-row select{padding:0 10px}.paywall{padding-top:calc(env(safe-area-inset-top) + 28px);padding-bottom:calc(env(safe-area-inset-bottom) + 32px)}.paywall h1{margin:0 0 10px;font-size:32px;line-height:1.1}.paywall .lede{margin-bottom:16px}.paywall-close{min-height:40px;margin:0 0 8px auto}.pro-list{gap:10px;margin:0 0 18px;padding:0;list-style:none;display:grid}.pro-list li{align-items:flex-start;gap:12px;font-size:15px;font-weight:600;display:flex}.pro-icon{background:color-mix(in srgb, var(--accent) 16%, transparent);width:28px;height:28px;color:var(--accent);border-radius:9px;flex:none;place-items:center;font-size:14px;display:grid}.plan-pick{grid-template-columns:1fr 1fr;gap:10px;display:grid}.plan-card{border-radius:var(--radius);background:var(--surface);border:2px solid var(--line);text-align:left;flex-direction:column;align-items:flex-start;gap:2px;min-height:112px;padding:16px 14px 14px;display:flex;position:relative}.plan-card.on{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, var(--surface))}.plan-name{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:13px;font-weight:800}.plan-card.on .plan-name{color:var(--accent)}.plan-price{letter-spacing:-.02em;font-size:30px;font-weight:900}.plan-sub{color:var(--muted);font-size:13px}.plan-badge{background:var(--accent);color:var(--accent-ink);letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:900;position:absolute;top:-11px;right:10px}.btn-big{min-height:56px;margin-top:16px;font-size:17px}.fine-print{margin:10px 4px 0;line-height:1.5}.trial-banner{border-color:color-mix(in srgb, var(--accent) 50%, var(--line));align-items:center;display:flex}.trial-banner .banner-head{flex:1}.trial-banner .tip-close{margin:0 6px 0 0}.trial-banner .banner-head .muted{white-space:nowrap}.invite-link{background:var(--surface-2);border:1px dashed var(--line);overflow-wrap:anywhere;-webkit-user-select:all;user-select:all;border-radius:12px;margin:10px 0 8px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;font-weight:600}.invite-actions .btn{flex:1 1 0}.invite-friends{margin:4px 0 8px;padding:0;font-size:14px;list-style:none}.invite-friends li{border-top:1px solid var(--line);justify-content:space-between;gap:10px;padding:6px 0;display:flex}.invite-friends li span:last-child{text-align:right}.invite-prompt{justify-content:space-between;align-items:center;gap:6px;margin:-4px 0 8px;display:flex}.invite-prompt .link-btn{text-align:left;margin:0;font-size:14px}.invite-banner{border:1px solid var(--accent);color:var(--text);text-align:left;border-radius:14px;margin:12px 0;padding:12px 14px;font-weight:600}.link-btn.inline-link{min-height:0;margin:0;padding:0;display:inline}.accent{color:var(--accent)}.lvl-chip{background:var(--accent);color:var(--accent-ink);letter-spacing:.05em;border-radius:7px;flex:none;place-items:center;padding:2px 7px;font-size:11px;font-weight:900;display:inline-grid}.xp-hud{text-align:left;border-radius:var(--radius);border:1px solid color-mix(in srgb, var(--accent) 35%, var(--line));background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%), var(--surface);align-items:center;gap:12px;width:100%;margin:0 0 12px;padding:12px 10px 12px 12px;display:flex}.xp-hud:active{transform:scale(.99)}.xp-hud-main{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.xp-hud-top{align-items:center;gap:8px;min-width:0;display:flex}.xp-rank{letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:800;overflow:hidden}.xp-num{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;margin-left:auto;font-size:12px;font-weight:700}.xp-hud-sub{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:600;overflow:hidden}.xp-hud-go{color:var(--muted);flex:none;font-size:24px}.xp-bar{background:var(--surface-2);border-radius:999px;height:10px;position:relative;overflow:hidden}.xp-bar.big{height:16px;margin-top:14px}.xp-bar-fill{border-radius:inherit;background:linear-gradient(90deg, color-mix(in srgb, var(--accent) 70%, #fff 0%), var(--accent));box-shadow:0 0 12px color-mix(in srgb, var(--accent) 60%, transparent);min-width:4px;transition:width .6s cubic-bezier(.2,.9,.2,1.1);position:absolute;inset:0 auto 0 0}.win-ring{flex:none;place-items:center;display:inline-grid;position:relative}.win-ring svg{position:absolute;inset:0}.win-ring-track{stroke:var(--surface-2)}.win-ring-fill{stroke:var(--accent);transition:stroke-dashoffset .7s cubic-bezier(.2,.9,.2,1)}.win-ring-label{font-variant-numeric:tabular-nums;font-size:12px;font-weight:800;position:relative}.win-ring.won .win-ring-label{color:var(--accent);font-size:22px}.win-ring.won svg{filter:drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 70%, transparent))}.fx-layer{pointer-events:none;z-index:90;position:fixed;inset:0;overflow:hidden}.xp-float{color:var(--accent);text-shadow:0 2px 10px #0009, 0 0 18px color-mix(in srgb, var(--accent) 60%, transparent);white-space:nowrap;font-size:20px;font-weight:900;animation:1.2s cubic-bezier(.2,.8,.2,1) forwards xp-rise;position:absolute;transform:translate(-50%,-50%)}@keyframes xp-rise{0%{opacity:0;transform:translate(-50%,-30%)scale(.6)}15%{opacity:1;transform:translate(-50%,-80%)scale(1.15)}70%{opacity:1}to{opacity:0;transform:translate(-50%,-260%)scale(1)}}.toasts{top:calc(env(safe-area-inset-top) + 10px);z-index:95;pointer-events:none;flex-direction:column;align-items:center;gap:8px;padding:0 16px;display:flex;position:fixed;left:0;right:0}.toast{pointer-events:auto;text-align:left;background:var(--surface);border:1px solid color-mix(in srgb, var(--accent) 45%, var(--line));border-radius:16px;align-items:center;gap:12px;width:100%;max-width:420px;padding:12px 16px;animation:.35s cubic-bezier(.2,.9,.2,1.2) toast-in;display:flex;box-shadow:0 10px 30px #00000073}.toast strong{font-size:15px;display:block}.toast-sub{color:var(--accent);font-size:13px;font-weight:700;display:block}.toast-icon{background:var(--surface-2);border-radius:50%;flex:none;place-items:center;width:36px;height:36px;font-size:18px;display:grid}@keyframes toast-in{0%{opacity:0;transform:translateY(-20px)scale(.96)}}.levelup-backdrop{z-index:100;background:#000000b8;place-items:center;padding:16px;animation:.2s ease-out fade;display:grid;position:fixed;inset:0}.levelup{text-align:center;background:radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 65%), var(--surface);border:2px solid var(--accent);width:100%;max-width:380px;box-shadow:0 0 60px color-mix(in srgb, var(--accent) 35%, transparent);border-radius:28px;padding:28px 22px 22px;animation:.5s cubic-bezier(.2,.9,.25,1.4) level-pop;position:relative}.levelup-num{letter-spacing:-.05em;color:var(--accent);text-shadow:0 0 30px color-mix(in srgb, var(--accent) 55%, transparent);font-size:104px;font-weight:900;line-height:1}.levelup-rank{margin:6px 0 8px;font-size:22px;font-weight:800}@keyframes level-pop{0%{opacity:0;transform:scale(.6)}}.confetti{pointer-events:none;width:0;height:0;position:absolute;top:38%;left:50%}.confetti i{opacity:0;border-radius:2px;animation:1.5s cubic-bezier(.15,.7,.3,1) forwards confetti;position:absolute;top:0;left:0}@keyframes confetti{0%{opacity:1;transform:translate(0)rotate(0)}60%{opacity:1}to{transform:translate(var(--dx), calc(var(--dy) + 320px)) rotate(var(--rot));opacity:0}}.back-link{min-height:32px;color:var(--accent);margin:0 0 6px;text-decoration:none}.level-card,.today-card{border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);margin-bottom:12px;padding:18px 16px}.level-card{border-color:color-mix(in srgb, var(--accent) 45%, var(--line));background:radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 55%), var(--surface)}.level-top{align-items:center;gap:16px;display:flex}.level-badge{background:var(--accent);width:84px;height:84px;color:var(--accent-ink);border-radius:22px;flex:none;align-content:center;place-items:center;display:grid;transform:rotate(-4deg)}.level-badge-lv{letter-spacing:.1em;font-size:12px;font-weight:900}.level-badge-num{letter-spacing:-.04em;font-size:44px;font-weight:900;line-height:.95}.level-rank{letter-spacing:-.02em;margin:0;font-size:28px;font-weight:900;line-height:1.1}.level-next{margin:10px 0 0;font-size:14px}.today-card{align-items:center;gap:16px;display:flex}.today-card p{margin:0 0 4px}.today-card-title{font-size:22px;font-weight:900}.streak-line{font-weight:700}.week-chart{border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);grid-template-columns:repeat(7,1fr);gap:8px;height:150px;padding:12px 12px 8px;display:grid;position:relative}.week-plot{pointer-events:none;position:absolute;inset:28px 12px 26px}.week-goal{border-top:1px dashed color-mix(in srgb, var(--accent) 50%, transparent);position:absolute;left:0;right:0}.week-col{grid-template-rows:16px 1fr 18px;place-items:end center;min-width:0;display:grid}.week-val{color:var(--muted);font-variant-numeric:tabular-nums;font-size:10px;font-weight:700}.week-bar{background:color-mix(in srgb, var(--accent) 45%, var(--surface-2));border-radius:6px 6px 3px 3px;width:100%;max-width:30px;min-height:3px;transition:height .6s}.week-bar.won{background:var(--accent);box-shadow:0 0 10px color-mix(in srgb, var(--accent) 45%, transparent)}.week-day{color:var(--muted);font-size:12px;font-weight:800}.week-col.today .week-day{color:var(--text)}.week-col.future .week-bar{background:var(--surface-2)}.heat{border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);grid-template-columns:repeat(12,1fr);gap:4px;padding:12px;display:grid}.heat-col{grid-template-rows:repeat(7,1fr);gap:4px;display:grid}.heat-cell{aspect-ratio:1;background:var(--surface-2);border-radius:4px;min-width:10px;display:inline-block}.heat-cell.l1{background:color-mix(in srgb, var(--accent) 25%, var(--surface-2))}.heat-cell.l2{background:color-mix(in srgb, var(--accent) 55%, var(--surface-2))}.heat-cell.won{background:var(--accent)}.heat-cell.future{opacity:.3}.heat-cell.today{outline:2px solid var(--text);outline-offset:1px}.heat-legend{align-items:center;gap:6px;margin:8px 2px 0;display:flex}.heat-legend .heat-cell{width:12px;min-width:12px}.badges{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.badge{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:2px;padding:12px;display:flex}.badge-icon{font-size:26px;line-height:1.2}.badge strong{font-size:14px}.badge-how{color:var(--muted);font-size:12px;line-height:1.3}.badge.on{border-color:var(--accent);background:radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%), var(--surface)}.badge.on .badge-how{color:var(--accent);font-weight:700}.badge.locked .badge-icon{filter:grayscale();opacity:.35}.badge.locked strong{color:var(--muted)}.totals{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.stat{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;padding:12px;display:flex}.stat strong{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:26px;font-weight:900}.stat span{color:var(--muted);font-size:12px;line-height:1.25}.xp-rules{margin-top:18px}.xp-rules summary{font-weight:800}.kept-progress{border-radius:var(--radius);border:1px solid color-mix(in srgb, var(--accent) 45%, var(--line));background:var(--surface);margin:0 0 18px;padding:14px 16px}.kept-progress p{align-items:center;gap:8px;margin:0 0 8px;font-weight:700;display:flex}.kept-progress p.muted{margin:8px 0 0;font-weight:500;display:block}@media (prefers-reduced-motion:reduce){.xp-float{transform:translate(-50%,-120%);animation:1.2s forwards xp-fade!important}.toast,.levelup,.levelup-backdrop{animation:.25s ease-out fade!important}.confetti{display:none}.xp-bar-fill,.win-ring-fill,.week-bar{transition:none}}@keyframes xp-fade{0%{opacity:0}20%,70%{opacity:1}to{opacity:0}}.details>details>summary{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:14px;justify-content:space-between;align-items:baseline;gap:10px;min-height:44px;padding:10px 14px;list-style:none;display:flex}.details>details>summary::-webkit-details-marker{display:none}.details>details>summary:after{content:"▾";color:var(--muted)}.details>details[open]>summary:after{content:"▴"}.details summary h4{flex:none;margin:0}.details summary .muted{text-align:right;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.details-body{padding:4px 2px 0}.details-block{margin-top:12px}.src-label{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:0 0 6px;font-size:12px;font-weight:700}.details .desc{background:var(--surface-2);overflow-wrap:anywhere;border-radius:12px;max-height:320px;padding:10px 12px;overflow:auto}.attach-list,.rubric,.plain-list,.grade-list{margin:0;padding-left:18px}.attach-list{padding:0;list-style:none}.attach-list li{overflow-wrap:anywhere;padding:6px 0}.rubric li{margin:6px 0}.rubric-row{justify-content:space-between;gap:8px;display:flex}.rubric-levels{color:var(--muted);margin:4px 0 0;padding-left:16px;font-size:13px}.rubric-level{color:var(--text);font-weight:600}.add-instr{margin-top:12px}.add-instr-row{flex-direction:column;gap:8px;display:flex}.ins-h{margin:4px 0 2px;font-size:15px;display:block}.add-instr textarea.full{box-sizing:border-box;width:100%}.snaps{flex-direction:column;gap:6px;display:flex}.snap{align-items:center;gap:10px;display:flex}.snap-view{background:var(--surface-2);border-radius:8px;flex:none;place-items:center;width:48px;height:48px;display:grid;overflow:hidden}.snap-view img{object-fit:cover;width:100%;height:100%}.snap-pdf{color:var(--danger);font-size:12px;font-weight:800}.snap-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.no-instr{border-style:dashed}.no-instr .add-instr{margin-top:4px}.no-instr .link-btn{margin-top:8px}.explain .ex-sec+.ex-sec{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}.explain h5{text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin:0 0 6px;font-size:12px}.explain p{margin:0 0 6px}.req-list{margin:0 0 8px;padding:0;list-style:none}.req-list li{border-bottom:1px solid var(--line)}.req-list label{cursor:pointer;align-items:flex-start;gap:10px;min-height:44px;padding:8px 0;display:flex}.req-list input{width:20px;height:20px;accent-color:var(--accent);flex:none;margin:1px 0 0}.req-list li.done span{color:var(--muted);text-decoration:line-through}.grade-list li{margin:6px 0}.grade-top{color:var(--muted);font-size:14px;display:block}.plain-list li{margin:4px 0}