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(width<=800px){.hero{grid-template-columns:1fr;gap:20px}.content,.admin-grid{grid-template-columns:1fr}.toc{max-height:56vh;position:static}.mobile-pattern-picker{overscroll-behavior:auto;max-height:none;padding:14px;overflow:visible}.mobile-pattern-summary{background:var(--mint);width:100%;color:var(--ink);text-align:left;cursor:pointer;border:0;border-radius:14px;align-items:center;gap:10px;padding:12px;display:flex}.mobile-pattern-current{flex:1;gap:3px;min-width:0;display:grid}.mobile-pattern-current strong{text-overflow:ellipsis;white-space:nowrap;font-family:Arial,Noto Sans,sans-serif;font-size:16px;overflow:hidden}.mobile-pattern-current small{text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12px;overflow:hidden}.mobile-pattern-action{color:var(--green);flex:none;font-size:12px;font-weight:850}.mobile-pattern-arrow{margin-left:4px;transition:transform .2s;display:inline-block}.mobile-pattern-picker.is-open 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small{grid-column:2}.section-title-row{align-items:flex-start}.example-audio-button{padding:8px 12px}.review-pair-head{flex-wrap:wrap;align-items:flex-start}.review-audio-button{margin-left:0}.topbar-actions{gap:8px}.admin-link{font-size:12px}.review-content{grid-template-columns:1fr}.review-toc{max-height:48vh;position:static}.review-pair-grid{grid-template-columns:1fr}.review-main{padding-top:42px}.pattern-mode-switch{margin-top:30px}.pattern-mode-switch-button{border-radius:15px;min-height:76px;padding:17px 18px}.pattern-mode-switch-button>span:first-child{font-size:18px}.pattern-mode-switch-arrow{font-size:26px}.deep-dive-grid,.practice-grid{grid-template-columns:1fr}.pattern-deep-dive{padding:20px}}.password-settings{background:var(--cream);border:1px solid var(--line);border-radius:22px;grid-template-columns:minmax(0,.8fr) minmax(320px,1.2fr);gap:clamp(24px,5vw,64px);margin-top:32px;padding:clamp(24px,5vw,46px);display:grid}.password-settings h2{margin:8px 0 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span{background:var(--mint);border-radius:999px;padding:6px 10px}.guide-article{border:1px solid var(--line);background:var(--cream);border-radius:28px;width:min(840px,100% - 40px);margin:56px auto 80px;padding:clamp(26px,6vw,64px)}.guide-article>h1{word-break:keep-all;margin:20px 0 18px;font-size:clamp(34px,6vw,58px);line-height:1.2}.guide-lead{color:var(--muted);margin:0 0 46px;font-size:clamp(17px,2.2vw,21px);line-height:1.75}.guide-byline{color:var(--muted);margin:-28px 0 42px;font-size:12px;font-weight:650}.guide-byline a,.lesson-byline a{color:var(--green-dark);text-underline-offset:3px}.guide-byline a:hover,.lesson-byline a:hover{color:var(--coral)}.guide-article>section{margin-top:42px}.guide-article h2{margin:0 0 15px;font-size:clamp(23px,3.2vw,31px);line-height:1.35}.guide-article section>p{margin:0 0 13px;line-height:1.85}.guide-examples{gap:10px;margin-top:20px;display:grid}.guide-example{background:var(--mint);border-radius:15px;gap:5px;padding:17px 19px;display:grid}.guide-example strong{color:var(--green);font-size:18px}.guide-example span{line-height:1.55}.guide-example small{color:var(--muted);line-height:1.5}.guide-checklist{background:#fff8e9;border-radius:15px;margin:20px 0 0;padding:18px 22px 18px 42px}.guide-checklist li{margin:7px 0;line-height:1.6}.guide-next-step{border-top:1px solid var(--line);padding-top:34px}.expression-comparison{border-left:4px solid var(--green);background:var(--cream);margin:22px 0;padding:20px}.expression-comparison h4{margin:0 0 10px;font-size:18px}.expression-comparison p,.lesson-exercise p{font-size:16px;line-height:1.8}.lesson-exercise{border:1px solid var(--line);border-radius:16px;margin:28px 0;padding:24px}.lesson-exercise h3{margin-top:0;font-size:20px}.lesson-exercise details{border-top:1px solid var(--line);margin-top:16px;padding-top:14px}.lesson-exercise summary{cursor:pointer;color:var(--green);padding:10px 0;font-size:16px;font-weight:700}.lesson-exercise summary:focus-visible{outline:3px solid var(--green);outline-offset:4px}.lesson-exercise .exercise-answer{color:var(--green);overflow-wrap:anywhere;font-size:19px;font-weight:700}.lesson-exercise small{color:var(--muted);font-size:14px;line-height:1.6}.learning-roadmap{border:1px solid var(--line);background:var(--cream);border-radius:20px;grid-template-columns:1.15fr repeat(3,1fr);gap:10px;width:min(1180px,100% - 48px);margin:-18px auto 34px;padding:18px;display:grid;box-shadow:0 14px 38px #33312a0b}.roadmap-heading{flex-direction:column;justify-content:center;gap:5px;padding:8px 12px;display:flex}.roadmap-heading span{color:var(--coral);letter-spacing:.12em;font-size:11px;font-weight:900}.roadmap-heading strong{line-height:1.45}.learning-roadmap>a{background:var(--mint);color:var(--ink);border-radius:14px;align-items:center;gap:11px;padding:13px;text-decoration:none;display:flex}.learning-roadmap>a:hover{box-shadow:inset 0 0 0 1px #26634c33}.learning-roadmap b{background:var(--green);color:#fff;border-radius:50%;flex:0 0 30px;place-items:center;width:30px;height:30px;display:grid}.learning-roadmap a span{gap:3px;font-size:13px;font-weight:850;display:grid}.learning-roadmap small{color:var(--muted);font-size:11px;font-weight:600;line-height:1.4}.lesson-byline{color:var(--muted);margin-top:14px;font-size:12px;font-weight:650}@media (width<=800px){.guide-grid{grid-template-columns:1fr}.guide-article{border-radius:20px;width:min(100% - 24px,840px);margin:24px auto 54px}.learning-roadmap{grid-template-columns:1fr;width:min(100% - 24px,1180px);margin-top:0}.password-settings{grid-template-columns:1fr}}