:root{--paper:var(--site-bg,#070709);--ink:var(--site-text,#f2f0eb);--muted:var(--site-muted,#a3a097);--line:var(--site-line,rgba(242,240,235,.14));--mark:var(--site-mark,#ffd84d);--sans:var(--site-sans,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif);color-scheme:dark;color:var(--ink);background:var(--paper);font-family:var(--sans);font-synthesis:none;line-height:1.8;scroll-padding-top:30px}
*{box-sizing:border-box}body{margin:0}h1,h2,h3,p{margin:0}a{color:inherit;text-underline-offset:5px;overflow-wrap:anywhere}button,input,select,textarea{font:inherit;color:inherit}button,summary{cursor:pointer}button,a,input,select,summary{touch-action:manipulation}:focus-visible{outline:3px solid var(--mark);outline-offset:4px}h1,h2,h3{line-height:1.25;overflow-wrap:anywhere}p{overflow-wrap:anywhere}.skip{position:absolute;top:-100px;left:16px;background:var(--mark);color:var(--paper);padding:12px;z-index:10}.skip:focus{top:12px}.lib-header{display:flex;justify-content:space-between;gap:22px;align-items:baseline;border-bottom:1px solid var(--line);padding:20px 5vw}.brand{font-weight:650;text-decoration:none}.lib-header nav{display:flex;flex-wrap:wrap;gap:12px 22px;font-size:.88rem}.lib-header [aria-current=page]{font-weight:650;text-decoration-color:var(--mark);text-decoration-thickness:3px}main,body>footer{max-width:1380px;margin:auto;padding:0 5vw}.lib-opening{display:grid;grid-template-columns:1.1fr 1fr;gap:6vw;align-items:end;padding:68px 0 48px}.eyebrow{font-size:.86rem;color:var(--muted);margin-bottom:16px;letter-spacing:.025em}h1{font-size:clamp(2.9rem,6vw,5.7rem);letter-spacing:-.045em}.lib-lede{font-size:1.16rem;max-width:32em}.lib-lede p+p{margin-top:16px}.small{font-size:.86rem;color:var(--muted)}.lib-note{padding:24px 28px;background:var(--site-panel,#131317);border-left:4px solid var(--mark);margin-bottom:38px;font-size:.94rem}.lib-note a{font-weight:600}.lib-note p+p{margin-top:12px}.lib-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:50px;align-items:start;padding-bottom:60px}.lib-filters{position:sticky;top:24px;display:grid;gap:20px}.lib-filters label{display:grid;gap:7px;font-size:.88rem}.lib-filters input,.lib-filters select{width:100%;min-width:0;background:var(--site-panel,#131317);border:1px solid var(--line);border-radius:0;padding:12px;font-size:1rem}.lib-filters button{justify-self:start;border:0;padding:0;background:transparent;text-decoration:underline;text-underline-offset:5px}.result-count{font-size:.87rem;color:var(--muted);margin-bottom:16px}.lib-entry{border-top:1px solid var(--line);padding:0;scroll-margin-top:28px}.lib-entry summary{position:relative;list-style:none;padding:24px 38px 24px 0}.lib-entry summary::-webkit-details-marker{display:none}.lib-entry summary:after{content:'+';position:absolute;right:0;top:30px;font-size:1.5rem;line-height:1}.lib-entry[open] summary:after{content:'−'}.entry-meta{display:block;font-size:.78rem;color:var(--muted);margin-bottom:8px}.lib-entry h2{display:inline;font-size:1.45rem;letter-spacing:-.01em}.lib-entry summary>p{font-size:.96rem;margin-top:12px;max-width:54em}.lib-body{padding:0 0 30px;max-width:100%}.lib-body dl{margin:0;display:grid;gap:18px}.lib-body dt{font-size:.82rem;color:var(--muted);margin-bottom:5px}.lib-body dd{margin:0;max-width:55em}.lib-body textarea{display:block;width:100%;min-height:260px;max-height:680px;resize:vertical;border:1px solid var(--line);border-radius:0;background:var(--site-panel,#131317);padding:18px;line-height:1.85;font-size:.96rem}.prompt-tools{display:flex;align-items:center;gap:18px;margin:14px 0 20px}.copy{border:1px solid var(--ink);background:var(--mark);color:var(--paper);padding:9px 20px;min-height:44px;font-weight:600}.copy:hover{background:#ffe784}.copy-feedback{font-size:.86rem;color:var(--muted)}.entry-source{font-size:.84rem;color:var(--muted);margin-top:20px}.entry-source p+p{margin-top:8px}.entry-source a{color:var(--ink)}.empty-state{border-top:1px solid var(--line);padding:30px 0}.empty-state button{margin-top:16px;background:var(--mark);color:var(--paper);border:1px solid var(--mark);padding:8px 18px}.lib-related{border-top:1px solid var(--line);padding:35px 0;display:flex;flex-wrap:wrap;gap:16px 28px}.lib-related h2{width:100%;font-size:1.3rem}.lib-related a{font-size:.94rem}body>footer{border-top:1px solid var(--line);padding-top:24px;padding-bottom:35px;display:flex;justify-content:space-between;gap:22px;font-size:.86rem}.experience-feature{padding:38px;background:var(--site-panel,#131317);color:var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:42px;margin-bottom:45px}.experience-feature h2{font-size:clamp(1.8rem,3vw,3rem);margin:10px 0 20px}.experience-feature p+p{margin-top:18px}.experience-feature .eyebrow{color:var(--mark)}.experience-feature a{color:var(--ink)}.experience-feature .launch{display:inline-block;background:var(--mark);color:var(--paper);padding:12px 25px;text-decoration:none;font-weight:650;margin:20px 0}.experience-steps{padding:0;margin:0;list-style:none;counter-reset:steps}.experience-steps li{padding:18px 0;border-top:1px solid #484743;counter-increment:steps}.experience-steps li:before{content:'0' counter(steps);display:block;color:var(--mark);font-size:.8rem}.experience-section{padding:25px 0 45px;border-top:1px solid var(--line)}.experience-section h2{font-size:1.8rem;margin-bottom:20px}.experience-section>p{max-width:54em;margin-bottom:22px}.practice-list{padding-left:24px;columns:2;column-gap:50px}.practice-list li{break-inside:avoid;margin:0 0 22px;padding-left:8px}.practice-list li strong{display:block}.practice-list li span{display:block;font-size:.92rem;color:var(--muted)}.thoughts{padding:30px;background:var(--site-panel,#131317)}.thoughts label{display:block;margin:16px 0 6px}.thoughts textarea{display:block;width:100%;min-height:110px;border:1px solid var(--line);background:var(--site-panel,#131317);padding:15px;resize:vertical}.thoughts p{font-size:.9rem;color:var(--muted)}
.thoughts fieldset{margin:0 0 24px;padding:18px 20px;border:1px solid var(--line)}.thoughts legend{font-weight:600;padding:0 8px}.thoughts input[type=radio]{margin-right:9px;width:17px;height:17px;accent-color:var(--mark)}.thoughts #bench-result h3{margin-top:22px}.thoughts #bench-result ol{padding-left:24px}.thoughts #bench-result li{margin:14px 0}
@media(max-width:900px){.lib-header{flex-direction:column;gap:15px}.lib-opening{grid-template-columns:1fr;gap:28px;padding:48px 0 35px}.lib-layout{grid-template-columns:1fr;gap:24px}.lib-filters{position:static;grid-template-columns:1fr 1fr;gap:14px}.lib-filters button{grid-column:1/-1}.lib-filters>p{grid-column:1/-1}.experience-feature{grid-template-columns:1fr;padding:28px;gap:25px}}@media(max-width:560px){main,body>footer{padding-left:6vw;padding-right:6vw}.lib-header{padding:18px 6vw}.lib-header nav{gap:10px 18px}.lib-filters{grid-template-columns:1fr}.lib-note{padding:20px}.lib-entry h2{font-size:1.28rem}.lib-entry summary{padding-top:22px;padding-bottom:22px}.lib-body textarea{min-height:320px;padding:14px;font-size:16px}.prompt-tools{flex-wrap:wrap;gap:10px}.practice-list{columns:1}.experience-feature{padding:24px}.thoughts{padding:22px}.thoughts fieldset{padding:12px}.lib-opening h1{font-size:2.35rem}body>footer{flex-wrap:wrap}}

/* Resource pages belong to the course website and share its visual roles. */
.breadcrumb{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--muted);font-size:.85rem;padding-top:28px}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{text-decoration:underline;color:var(--ink)}.lib-opening{padding-top:42px}.lib-related a:hover,.lib-header a:hover{color:var(--mark)}.lib-body textarea:focus-visible{outline:2px solid var(--mark);outline-offset:3px}