:root{--ink:#242a35;--muted:#737781;--paper:#faf7f0;--line:#e4e6df;--green:#315b4b;--lime:#dbe8ae;--purple:#e8e3f2;--peach:#f1dfcc;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select,summary{outline-offset:4px}button{cursor:pointer}h1,h2,h3,p{margin:0}h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(36px,4vw,58px);font-weight:400;line-height:1.13;letter-spacing:-1.6px;margin:10px 0 18px}h2{font-size:22px;letter-spacing:-.6px;margin-bottom:12px}h3{font-size:16px;margin-bottom:6px}p{color:var(--muted)}small{font-size:12px}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;background:#fff;border-right:1px solid var(--line);padding:32px 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0}.spaced{margin-top:24px}.mini-callout{padding:17px;background:#f2f4ec;border-radius:10px;font-size:12px;color:#74816b;line-height:1.8;margin:18px 0}hr{border:0;border-top:1px solid var(--line);margin:25px 0}.step-number{background:#edf0e5;color:var(--green);width:42px;height:42px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;font:18px Georgia}.lesson-row{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:14px 0}.lesson-row>div{flex:1}.lesson-row h3{margin:0}.lesson-row p{font-size:12px;margin:5px 0}.lesson-row small{font-size:10px;color:var(--muted)}.locked{background:#f0f1ec}.locked .step-number{background:#e6e8e1;color:#999}.prose{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.9}.reference-block{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f6f0;padding:16px;border-radius:10px;font:12px/1.9 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b{font-size:14px}.spacious{padding:70px}.auth-shell{min-height:100vh;background:#f3f4ed}.auth-shell .page{padding-top:65px}.auth-layout{display:grid;grid-template-columns:1fr 440px;gap:70px;max-width:1070px;margin:0 auto}.auth-intro>.eyebrow{margin-top:70px}.auth-intro h1{font-size:58px}.auth-intro>p{max-width:380px}.auth-card{background:#fff;border:1px solid var(--line);padding:36px;border-radius:20px;align-self:center;box-shadow:0 10px 40px #23362e06}.auth-card h2{font:29px Georgia;margin:18px 0 12px}.auth-card>p{font-size:13px;margin-bottom:25px}.auth-card>.hint{margin-top:20px;margin-bottom:0}.orbit{position:relative;height:250px;margin-top:30px;max-width:400px}.orbit-ring{position:absolute;width:210px;height:210px;border:1px solid #d4deca;border-radius:50%;left:75px;top:8px}.orbit-ring:after{content:"";position:absolute;inset:25px;border:1px dashed #d0d9c6;border-radius:50%}.orbit-core{position:absolute;left:135px;top:65px;background:#dce7bd;color:var(--green);border-radius:25px;width:95px;height:95px;text-align:center;font:94px/.9 Georgia;transform:rotate(-8deg)}.orbit-core span{color:#7e9756}.orbit-card{position:absolute;background:white;border:1px solid var(--line);border-radius:10px;padding:13px 15px;font-size:12px;box-shadow:0 5px 18px #23362e07;z-index:1}.orbit-card b{margin-left:20px;color:#789362}.orbit-card.one{top:32px;left:4px;transform:rotate(-5deg)}.orbit-card.two{bottom:21px;right:0;transform:rotate(5deg)}footer{font-size:10px;color:#a0a69b;text-align:center;padding:25px 20px;letter-spacing:.3px}footer span{margin:0 10px}.auth-shell footer{margin-top:25px}[hidden]{display:none!important}@media(min-width:1500px){.page{padding-top:50px}}@media(max-width:1100px){.sidebar{width:210px;padding:28px 17px}.workspace{margin-left:210px}.page{padding:30px}.topbar{padding:0 30px}.quote-card{display:none}.stats strong{gap:10px}.lesson-layout{grid-template-columns:1fr}.lesson-reference{position:static}.auth-layout{gap:30px;grid-template-columns:1fr 400px}.auth-intro h1{font-size:44px}}@media(max-width:760px){.sidebar{position:static;width:auto;padding:17px 20px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:20px}.mark{width:36px;height:36px;font-size:35px}.side-label,.sidebar-note,.profile,.brand small{display:none}nav{display:flex;margin-top:18px;gap:8px;overflow:auto}nav a{padding:8px;font-size:11px;white-space:nowrap}nav a span{display:none}.workspace{margin:0}.topbar{height:45px;padding:0 20px}.page{padding:26px 20px}.two-columns,.knowledge-grid{grid-template-columns:1fr}.stats{gap:8px;margin-bottom:28px}.stats>div,.stats>a{padding:14px 12px}.stats strong{font-size:28px;display:block}.stats strong span{display:block;font-size:9px;letter-spacing:0}.stats small{font-size:8px;letter-spacing:.6px}.page-heading{margin-bottom:20px}.page-heading h1{font-size:39px}.large-sun{font-size:60px}.panel{padding:21px}.section-heading{flex-wrap:wrap}.section-heading .quiet{font-size:10px}.lesson-row{padding:16px;gap:12px;flex-wrap:wrap}.lesson-row .btn{margin-left:54px}.lesson-row .pill{margin-left:54px}.lesson-row>div{min-width:160px}.auth-layout{display:block}.auth-shell .page{padding:25px 20px}.auth-intro{margin-bottom:30px}.auth-intro>.eyebrow{margin-top:25px}.auth-intro h1{font-size:40px}.auth-intro>p{font-size:13px}.orbit{display:none}.auth-card{max-width:480px;margin:auto;padding:26px}.next-row{align-items:start;flex-direction:column}.learning-card{padding:23px}.spacious{padding:35px 20px}}

@media(max-width:760px){.profile{display:flex;position:absolute;right:18px;top:17px;margin:0}.profile>.avatar,.profile>div{display:none}.profile form{margin:0}.sidebar{position:relative}.brand{max-width:220px}}

.preview-banner{display:flex;align-items:center;gap:20px;background:#eee8f7;border:1px solid #d6cbe5;border-radius:12px;padding:17px 20px;margin-bottom:30px}.preview-banner>div{flex:1}.preview-banner b{font-size:13px;color:#675584}.preview-banner p{font-size:11px;margin:4px 0 0;color:#7c6d8c}.preview-banner form{margin:0}.course-actions{display:flex;gap:18px;align-items:center;margin:20px 0 30px}.markdown{font-size:14px;line-height:1.85;overflow-wrap:anywhere}.markdown h1{font-family:inherit;font-size:25px;letter-spacing:-.6px;margin:22px 0 12px}.markdown h2{font-size:20px;margin:24px 0 12px}.markdown h3{font-size:16px;margin-top:18px}.markdown p{margin:10px 0;color:var(--ink)}.markdown ul,.markdown ol{padding-left:23px}.markdown li{padding:3px 0}.markdown pre{background:#f2f4ee;border:1px solid var(--line);padding:16px;border-radius:10px;overflow-x:auto;font:12px/1.7 ui-monospace,monospace}.markdown code{background:#edf0e8;padding:2px 4px;border-radius:4px;font-size:12px}.markdown pre code{padding:0;background:none}.markdown a{color:var(--green);text-decoration:underline}.markdown table{border-collapse:collapse;width:100%;font-size:12px;margin:15px 0}.markdown th,.markdown td{border:1px solid var(--line);padding:9px;text-align:left}.lesson-reference .markdown{font-size:12px}.lesson-reference .markdown h1{font-size:18px}.lesson-reference .markdown h2{font-size:15px}.lesson-reference .markdown table{font-size:10px}.lesson-reference .markdown pre{font-size:10px}@media(max-width:760px){.preview-banner{flex-wrap:wrap}.preview-banner>div{flex-basis:100%}.course-actions{align-items:start;flex-direction:column}.markdown table{display:block;overflow-x:auto}}

/* The Practice Porch identity: warm paper, garden green, and a front-door mark. */
.brand{gap:10px;letter-spacing:-.5px;font-size:21px;align-items:center}
.porch-mark{display:block;flex:0 0 44px;width:44px;height:44px}
.brand-name{display:block;white-space:nowrap;font-family:Georgia,"Times New Roman",serif;font-weight:400}
.brand small.brand-the{margin:0 0 4px;font:600 8px/1.1 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:2px;color:var(--green)}
.brand small.brand-tagline{font:500 6px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:.65px;margin-top:6px;color:#68776c}
.sidebar{background:#fffdf8}
.orbit-core.porch-core{background:transparent;box-shadow:none;letter-spacing:normal;padding:0}
.porch-core img{width:110px;height:110px}

.draft-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:18px 0}.draft-actions form{margin:0}.notice{padding:14px 18px;border:1px solid #c5d5ac;border-radius:9px;background:#edf3e3;color:var(--green);margin-bottom:20px}.draft-save{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:18px 0}.draft-save [role=status]{font-size:12px;color:var(--muted)}.progress-scroll{overflow-x:auto}.progress-table{border-collapse:collapse;width:100%;font-size:13px}.progress-table caption{text-align:left;color:var(--muted);font-size:12px;margin:0 0 16px}.progress-table th,.progress-table td{border-bottom:1px solid var(--line);padding:18px 16px;text-align:left;vertical-align:top;min-width:165px}.progress-table th span,.progress-table td small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:6px}.progress-table th:first-child{min-width:135px}.progress-table .text-link{display:block;margin-top:9px}

.markdown img{display:block;max-width:100%;height:auto;margin:20px auto;border-radius:8px}.lesson-reference .markdown img{margin:12px auto}

.lesson-reference .markdown th:first-child,.lesson-reference .markdown td:first-child{min-width:62px;overflow-wrap:normal;word-break:normal}