:root{color-scheme:light;--bg:#f4f6fa;--surface:#fff;--text:#192439;--muted:#657184;--line:#e4e9f0;--blue:#335ee9;--blue-soft:#ecf0ff;--lime:#dbf388;--lime-text:#263916;--danger:#ad3343;--radius:20px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
:root[data-theme=dark]{color-scheme:dark;--bg:#121822;--surface:#1c2532;--text:#edf2fa;--muted:#a5b3c7;--line:#344052;--blue:#9aafff;--blue-soft:#283754;--lime:#d4ef81;--danger:#ff9ba8}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:3px}a{color:var(--blue);text-underline-offset:3px}button{color:inherit}button,input,select,textarea{max-width:100%}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0}h1{font-size:29px;letter-spacing:-1.2px;line-height:1.2;font-weight:750}h2{font-size:20px;letter-spacing:-.5px;line-height:1.35}h3{font-size:16px;line-height:1.45}p+p{margin-top:12px}small,.muted{color:var(--muted)}[hidden]{display:none!important}.app-shell{max-width:640px;margin:0 auto;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:22px 22px 18px;padding-top:max(22px,env(safe-area-inset-top));gap:20px}.brand{display:flex;gap:10px;align-items:center;color:var(--text);font-size:13px;font-weight:750;line-height:1.25;text-decoration:none}.brand-mark{display:grid;place-content:center;position:relative;background:var(--blue);color:var(--surface);width:40px;height:40px;border-radius:13px;font-size:28px;letter-spacing:-7px;padding-right:6px}.brand-mark span{color:var(--lime);display:inline;position:absolute;left:20px;top:0}.icon-button{display:grid;place-items:center;border:1px solid var(--line);background:var(--surface);width:42px;height:42px;border-radius:50%}svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}main{padding:16px 22px 118px;overflow-wrap:anywhere}main:focus{outline:none}.page-heading{margin-bottom:24px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.intro{margin-top:10px;color:var(--muted);font-size:14px}.section{margin-top:27px}.section-heading{display:flex;gap:14px;justify-content:space-between;align-items:center;margin-bottom:13px}.section-heading h2{font-size:18px}.text-link{font-size:13px;font-weight:650;white-space:nowrap}.card{padding:20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}.card+.card{margin-top:12px}.hero{background:var(--blue-soft);border-color:transparent;padding:23px}.hero .eyebrow{color:var(--blue)}.hero h2{font-size:24px;letter-spacing:-.7px;margin:8px 0 16px}.meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}.pill{font-size:11px;font-weight:650;border-radius:6px;padding:4px 8px;background:var(--bg);color:var(--muted)}.pill.accent{background:var(--lime);color:var(--lime-text)}.pill.blue{background:var(--blue-soft);color:var(--blue)}.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:47px;border:0;border-radius:12px;background:var(--blue);color:var(--surface);padding:11px 18px;font-weight:650;font-size:14px;text-decoration:none;text-align:center}.button.full{width:100%}.button.secondary{background:var(--surface);border:1px solid var(--line);color:var(--text)}.button.lime{background:var(--lime);color:var(--lime-text)}.button.danger{color:var(--danger);background:var(--surface);border:1px solid var(--line)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.actions>.button{flex:1}.hero .button{margin-top:17px}.week-card{background:var(--lime);color:var(--lime-text);border:0}.week-card .eyebrow,.week-card .muted{color:#4b602d}.week-card a{color:var(--lime-text)}.week-card p{font-size:14px;margin-top:10px}.progress-label{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px}.progress-number{color:var(--blue);font-size:20px;font-weight:750}progress{display:block;width:100%;height:7px;border:0;border-radius:12px;overflow:hidden;background:var(--line);accent-color:var(--blue)}progress::-webkit-progress-bar{background:var(--line);border-radius:12px}progress::-webkit-progress-value{background:var(--blue);border-radius:12px}progress::-moz-progress-bar{background:var(--blue)}.progress-caption{font-size:12px;color:var(--muted);margin-top:10px}.item-row{display:flex;gap:13px;align-items:center;padding:17px;background:var(--surface);border:1px solid var(--line);border-radius:16px;text-decoration:none;color:var(--text)}.item-row+.item-row{margin-top:9px}.item-icon{display:grid;place-items:center;flex-shrink:0;width:40px;height:44px;border-radius:12px;background:var(--blue-soft);color:var(--blue)}.item-row.done .item-icon{background:var(--lime);color:var(--lime-text)}.item-body{flex:1;min-width:0}.item-body h3{font-size:14px;margin-bottom:5px}.chevron{color:var(--muted);width:16px}.module-number{font-size:18px;font-weight:750}.module-card{display:block;color:var(--text);text-decoration:none}.module-card .module-header{display:flex;align-items:center;gap:13px;margin-bottom:18px}.module-card h2{font-size:17px}.module-card .meta{margin-top:4px}.chips{display:flex;gap:7px;overflow:auto;padding:3px 1px 9px;scrollbar-width:none;margin:15px 0}.chips::-webkit-scrollbar{display:none}.chip{white-space:nowrap;border:1px solid var(--line);background:var(--surface);padding:8px 13px;border-radius:30px;font-size:12px;min-height:37px}.chip.active{background:var(--blue);color:var(--surface);border-color:var(--blue)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);display:grid;grid-template-columns:repeat(4,1fr);width:min(100%,640px);padding:10px 9px max(13px,env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);z-index:5}.nav-item{display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;text-decoration:none;color:var(--muted);font-size:10px;min-height:44px}.nav-item svg{width:21px;height:21px}.nav-item.active{color:var(--blue);font-weight:700}.back-link{display:inline-flex;gap:6px;align-items:center;margin-bottom:22px;text-decoration:none;color:var(--muted);font-size:13px}.back-link svg{width:16px}.body-text{line-height:1.8}.body-text>*+*{margin-top:16px}.body-text h1,.body-text h2,.body-text h3{margin-top:26px}.body-text h1{font-size:23px}.body-text h2{font-size:20px}.body-text ul,.body-text ol{padding-left:21px}.body-text pre{white-space:pre-wrap;word-break:break-word;padding:15px;background:var(--bg);border:1px solid var(--line);border-radius:12px;font-size:12px}.body-text code{font-size:.9em}.body-text blockquote{margin-left:0;padding-left:15px;border-left:3px solid var(--blue);color:var(--muted)}.task-card h2{font-size:17px}.task-card p{margin-top:12px}.checklist{list-style:none;padding:0;margin:17px 0 0}.checklist label{display:flex;align-items:flex-start;gap:11px;font-size:14px;padding:10px 0}.checklist input{width:19px;height:19px;accent-color:var(--blue);flex-shrink:0;margin-top:2px}.form-group{display:block;margin:16px 0;font-size:13px;font-weight:600}.form-group input,.form-group select,.form-group textarea,.search-input{display:block;width:100%;border:1px solid var(--line);border-radius:12px;min-height:46px;padding:11px 13px;background:var(--surface);color:var(--text);margin-top:7px;font-size:14px}.search-input{margin:0}.search-wrap{position:relative}.search-wrap svg{position:absolute;left:13px;top:13px;width:20px;color:var(--muted)}.search-wrap input{padding-left:42px}.filter-select{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin:10px 0 20px}.filter-select select{background:var(--surface);color:var(--text);border:1px solid var(--line);padding:9px;border-radius:10px;max-width:65%}.library-card h2{font-size:17px;margin:12px 0 7px}.library-card p{font-size:13px;color:var(--muted)}.library-card{display:block;text-decoration:none;color:var(--text)}.empty-state{text-align:center;padding:35px 20px;color:var(--muted);font-size:14px}.empty-state h2{margin-bottom:10px;color:var(--text)}.empty-illustration{display:grid;place-items:center;width:76px;height:76px;background:var(--blue-soft);border-radius:25px;margin:0 auto 24px;color:var(--blue)}.empty-illustration svg{width:32px;height:32px}.gate{padding-top:35px}.gate h1{font-size:27px}.gate p{margin-top:15px}.gate .actions{flex-direction:column}.track-card{display:flex;gap:14px;align-items:center;width:100%;text-align:left;min-height:82px}.track-card h2{font-size:16px}.track-card p{font-size:12px;color:var(--muted);margin-top:4px}.track-card.active{border:2px solid var(--blue);background:var(--blue-soft)}.profile-name{display:flex;align-items:center;gap:13px;margin:8px 0 24px}.avatar{display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);border-radius:18px;width:57px;height:57px;font-size:24px;font-weight:700}.profile-name h1{font-size:24px}.settings-link{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:52px;color:var(--text);text-decoration:none;font-size:14px}.settings-link+.settings-link{border-top:1px solid var(--line)}.streak{display:flex;gap:9px;overflow:auto;padding:5px 1px 10px}.streak-item{display:flex;align-items:center;flex-direction:column;gap:7px;min-width:42px;font-size:10px;color:var(--muted)}.streak-circle{display:grid;place-items:center;width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:var(--surface)}.streak-circle.complete{background:var(--lime);color:var(--lime-text);border-color:transparent}.streak-circle.recorded{border:2px solid var(--blue);color:var(--blue)}.streak-circle.current{box-shadow:0 0 0 3px var(--blue-soft)}.toggle-button[aria-pressed=true]{background:var(--lime);color:var(--lime-text);border-color:transparent}.notice{margin:0 22px;padding:10px 13px;background:var(--blue-soft);color:var(--blue);border-radius:11px;font-size:12px}.loading{text-align:center;padding:70px 0;color:var(--muted)}.spinner{display:block;width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--blue);border-radius:50%;margin:0 auto 17px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);max-width:calc(100vw - 36px);padding:13px 18px;border-radius:13px;background:var(--text);color:var(--surface);font-size:13px;z-index:20;box-shadow:0 4px 24px #0002}.skip-link{position:fixed;left:12px;top:-80px;z-index:40;background:var(--surface);padding:12px}.skip-link:focus{top:12px}.copy-fallback{width:100%;min-height:180px;white-space:pre-wrap;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--bg);color:var(--text)}.fine-print{font-size:12px;color:var(--muted);margin-top:12px}.version{margin-top:25px;font-size:12px;color:var(--muted)}.inline-error{color:var(--danger);margin-top:9px;font-size:13px}.preview-note{border-left:3px solid var(--blue);padding:9px 12px;background:var(--blue-soft);font-size:12px;color:var(--blue);margin-bottom:20px}.date-label{font-size:12px;color:var(--muted);margin:8px 0 16px}.link-button{border:0;background:transparent;color:var(--blue);padding:8px 0;font-size:13px;text-decoration:underline}.offline-list{margin-top:24px}@media(min-width:560px){main{padding-left:30px;padding-right:30px}.app-header{padding-left:30px;padding-right:30px}.hero{padding:27px}h1{font-size:33px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}