:root{--ink:#182c3c;--muted:#506475;--blue:#0755c9;--blue-dark:#00398d;--wash:#edf4ff;--line:#dbe3ec;--surface:#f5f7fa;--white:#fff;--radius:16px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--surface);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.6}a{color:var(--blue);text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #3387ff;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2rem,4.2vw,3.5rem);line-height:1.1;letter-spacing:-.045em;margin-bottom:16px;font-weight:750}h2{font-size:1.65rem;line-height:1.25;letter-spacing:-.025em}h3{font-size:1.1rem;line-height:1.35}.wrap{width:min(1220px,calc(100% - 48px));margin:auto}.skip{position:absolute;top:-80px;left:12px;background:white;padding:12px;z-index:9}.skip:focus{top:10px}.top{background:white;border-bottom:1px solid var(--line)}.nav{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{color:var(--ink);text-decoration:none;font-size:1.4rem;font-weight:800;letter-spacing:-.07em;white-space:nowrap}.brand b{color:var(--blue)}.brand-mark{display:inline-grid;place-items:center;background:var(--blue);color:#fff;width:33px;height:33px;border-radius:9px;margin-right:9px;font-size:1.05rem;letter-spacing:-.1em;vertical-align:2px}.nav-links{display:flex;gap:26px;align-items:center}.nav-links a{font-size:.9rem;font-weight:600;text-decoration:none;color:var(--muted)}.nav-links a[aria-current=page]{color:var(--blue)}.languages{display:flex;flex:0 0 auto;border:1px solid var(--line);border-radius:8px;overflow:hidden}.languages a{padding:5px 10px;line-height:1.5}.languages .current{background:var(--ink);color:white}.hero{padding:43px 0 27px;display:flex;align-items:flex-end;justify-content:space-between;gap:35px}.eyebrow{text-transform:uppercase;font-size:.75rem;font-weight:750;letter-spacing:.15em;color:var(--blue);margin-bottom:12px}.hero p{margin-bottom:0;max-width:660px;color:var(--muted);font-size:1.05rem}.hero-aside{max-width:200px;border-left:2px solid var(--line);padding-left:18px;font-size:.85rem;color:var(--muted);flex-shrink:0;margin-bottom:5px}.workspace{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:start;margin-bottom:48px}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-width:0}.panel-title{display:flex;align-items:center;gap:12px;margin-bottom:24px}.step{width:28px;height:28px;background:var(--wash);border-radius:50%;font-size:.85rem;font-weight:750;color:var(--blue);display:grid;place-items:center;flex-shrink:0}.panel-title h2{margin:0;font-size:1.15rem}.tabs{display:flex;gap:5px;background:var(--surface);padding:5px;border-radius:10px;margin-bottom:21px}.tab{flex:1;border:0;padding:9px 10px;background:transparent;font-size:.9rem;font-weight:650;color:var(--muted);border-radius:7px}.tab[aria-pressed=true]{background:white;color:var(--blue);box-shadow:0 1px 5px #192e4714}.field{margin-bottom:17px}.field label,.field-label{display:block;font-size:.9rem;font-weight:650;margin-bottom:7px}.optional{font-weight:400;color:var(--muted);font-size:.8rem}textarea,input[type=text],input[type=email],select{width:100%;border:1px solid #bbc9d7;background:white;border-radius:8px;color:var(--ink);padding:11px 12px;min-height:45px}textarea{resize:vertical;line-height:1.55;font-size:.95rem}textarea::placeholder,input::placeholder{color:#667a8c;opacity:1}.row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.help,.tiny{font-size:.8rem;color:var(--muted)}.under-field{display:flex;justify-content:space-between;gap:16px;font-size:.76rem;color:var(--muted);margin-top:4px}.examples{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0 19px}.chip{border:1px solid var(--line);border-radius:6px;background:white;padding:4px 10px;color:var(--muted);font-size:.78rem}.chip:hover{border-color:var(--blue);color:var(--blue)}details{border-top:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:650;font-size:.9rem}details .details-body{padding-top:16px}.checks{display:grid;grid-template-columns:1fr 1fr;gap:9px 12px;padding:0;margin:18px 0;border:0}.checks legend{font-weight:650;font-size:.9rem;margin-bottom:8px}.check{display:flex;gap:8px;font-size:.83rem;align-items:flex-start}.check input{accent-color:var(--blue);width:17px;height:17px;margin:3px 0 0;flex-shrink:0}.primary,.secondary{border-radius:8px;padding:12px 18px;font-weight:650;font-size:.92rem;border:1px solid transparent;display:inline-flex;justify-content:center;gap:8px;align-items:center;text-decoration:none}.primary{background:var(--blue);color:white}.primary:hover:not(:disabled){background:var(--blue-dark)}.secondary{background:white;border-color:#c4d1dd;color:var(--ink)}.full{width:100%}.notice{font-size:.76rem;color:var(--muted);margin:12px 0 0}.output-panel{border-top:3px solid var(--blue);position:sticky;top:22px}.output-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.output-header .panel-title{margin:0}.label{font-size:.7rem;letter-spacing:.04em;color:var(--blue);background:var(--wash);padding:3px 8px;border-radius:5px;font-weight:700}.empty{border:1px dashed #c7d4e1;border-radius:10px;min-height:330px;padding:38px 28px;display:flex;flex-direction:column;justify-content:center}.empty h3{font-size:1.3rem;margin-bottom:12px}.empty p{color:var(--muted);font-size:.95rem}.empty ol{padding-left:22px;color:var(--muted);font-size:.9rem;margin:5px 0}.empty li{padding:5px 0}.empty .placeholder-lines{height:3px;width:52px;background:var(--blue);margin-bottom:24px}.result-text{min-height:330px;background:#f8faff;font-size:.9rem;line-height:1.75;border-color:var(--line)}.result-actions{display:flex;gap:10px;margin-top:16px}.result-actions .primary{flex:1}.result-foot{font-size:.78rem;color:var(--muted);margin:15px 0 0}.changes{font-size:.85rem;background:var(--wash);padding:14px 16px;border-radius:8px;margin-top:15px}.changes h3{font-size:.85rem;margin:0 0 6px}.changes ul{margin:0;padding-left:18px}.status{font-size:.85rem;margin:10px 0 0;min-height:24px}.error{color:#a62431}.good{color:#156448}.stale{background:#fff5dc;border:1px solid #e2ca86;padding:10px;border-radius:7px;font-size:.83rem;margin:12px 0}.section{padding:40px 0;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:baseline;margin-bottom:20px}.section-head p{color:var(--muted);max-width:600px;font-size:.94rem;margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:12px;padding:24px}.card p{font-size:.92rem;color:var(--muted)}.card a{font-size:.9rem;font-weight:650}.card-number{font-size:.75rem;color:var(--blue);font-weight:750;letter-spacing:.1em;margin-bottom:13px}.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}.compare>div{padding:27px;background:white}.compare>div:last-child{background:var(--wash)}.compare p{margin:0;font-size:.95rem}.compare h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.link-tile{border-top:2px solid #bdcad9;padding-top:16px}.link-tile h3{margin-bottom:8px}.link-tile p{color:var(--muted);font-size:.85rem;margin-bottom:10px}.link-tile a{font-size:.85rem}.footer{border-top:1px solid var(--line);background:white;margin-top:42px;padding:26px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:.8rem;color:var(--muted)}.footer a{margin-left:18px;color:var(--muted)}.article{max-width:840px;margin:40px auto 60px}.article h1{font-size:clamp(2rem,4vw,3rem);margin-top:12px}.article .lead{font-size:1.15rem;color:var(--muted);margin-bottom:32px}.article h2{margin-top:36px;font-size:1.4rem}.article h3{margin-top:26px}.article p,.article li{max-width:75ch}.article li{margin-bottom:9px}.article section{background:white;border:1px solid var(--line);border-radius:12px;padding:25px 29px;margin:18px 0}.article section h2{margin-top:0}.quote{padding:17px 20px;border-left:3px solid var(--blue);background:var(--wash);white-space:pre-wrap;font-size:.95rem}.banner{background:#fff3d8;border-bottom:1px solid #e5d1a3;padding:8px 0;font-size:.8rem;color:#61491a}.faq details{padding:18px 0}.faq p{margin:12px 0 0;font-size:.94rem;color:var(--muted)}.hidden,[hidden]{display:none!important}.honeypot{position:absolute;left:-9999px}.loading{opacity:.65}.source-list{font-size:.9rem}.instructions{margin-bottom:20px}code{background:#edf1f6;padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}pre{white-space:pre-wrap;overflow-wrap:anywhere}.mobile-note{display:none}.question-box{padding:16px;background:var(--wash);border-radius:9px;margin-bottom:18px}.question-box p{font-size:.85rem}.question-box .field:last-child{margin:0}
@media(max-width:1000px){.nav-links{gap:16px}.hero-aside{display:none}.panel{padding:22px}.workspace{gap:18px}.link-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.nav{min-height:76px;gap:16px;flex-wrap:wrap;padding:15px 0}.brand{font-size:1.28rem}.nav-links{flex-wrap:wrap;gap:16px;font-size:.85rem}.nav-links .desktop-link{display:none}.hero{padding:31px 0 23px}.hero p{font-size:.98rem}.workspace{grid-template-columns:1fr;margin-bottom:28px}.output-panel{position:static}.panel{padding:21px}.cards{grid-template-columns:1fr}.section-head{display:block}.section-head h2{margin-bottom:13px}.section{padding:30px 0}.compare{grid-template-columns:1fr}.empty{min-height:245px;padding:24px}.footer-inner{display:block}.footer-inner>div{margin-top:12px}.footer a{margin:0 18px 0 0}.article{margin-top:27px}.article section{padding:21px}.link-grid{gap:23px}.result-actions{flex-wrap:wrap}}
@media(max-width:390px){.row,.checks{grid-template-columns:1fr}.nav-links{gap:10px}.brand-mark{display:none}.panel{padding:17px}.languages a{padding:4px 7px}.link-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:no-preference){a,button{transition:background-color .15s,border-color .15s}}@media print{.top,.footer,.banner,form,.result-actions{display:none}.workspace{display:block}.output-panel{position:static;border:0}.result-text{height:auto}.wrap{width:100%}}

/* v1.1: selectable answer structures, document requests and accessible help. */
.choice-group{border:0;margin:0 0 20px;padding:0;min-width:0}.choice-group legend{font-size:.92rem;font-weight:700;padding:0;margin-bottom:4px}.choice-intro{font-size:.85rem;color:var(--muted);margin:0 0 10px;line-height:1.5}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;align-items:start}.choice-card{border:1px solid var(--line);border-radius:9px;padding:9px 10px;min-width:0;background:white}.choice-card:has(input:checked){border-color:var(--blue);background:var(--wash)}.choice-top{display:flex;gap:7px;align-items:flex-start;justify-content:space-between}.choice-main{display:flex;gap:9px;align-items:flex-start;cursor:pointer;flex:1;font-size:.88rem;font-weight:650;line-height:1.45;min-height:36px;padding-top:4px}.choice-main input{width:17px;height:17px;flex-shrink:0;margin:2px 0 0;accent-color:var(--blue)}.choice-main small{display:block;font-size:.8rem;line-height:1.45;color:var(--muted);font-weight:400;margin-top:3px}.help-toggle{font-size:.9rem;font-weight:750;border:1px solid #becddd;color:var(--blue);border-radius:50%;background:white;width:30px;height:30px;flex-shrink:0;padding:0;line-height:1}.help-toggle[aria-expanded=true]{background:var(--blue);color:white}.tip-text{font-size:.875rem;line-height:1.55;color:var(--ink);padding:10px 0 1px;border-top:1px solid #cad8e9;margin:10px 0 0;overflow-wrap:anywhere}.quality-choice{min-width:0}.quality-choice .check{padding-top:5px;font-size:.87rem}.file-note{margin:12px 0 0;padding:12px;background:var(--surface);border-radius:8px}.share-section{border-top:1px solid var(--line);padding-top:18px;margin-top:8px}.share-section h3{font-size:.9rem;margin-bottom:10px}.share-actions{display:flex;flex-wrap:wrap;gap:10px}.share-actions button{flex:1;min-width:150px;font-size:.86rem}.faq-jump{display:flex;flex-wrap:wrap;gap:9px;margin:25px 0}.faq-jump a{border:1px solid var(--line);background:white;padding:7px 12px;border-radius:7px;font-size:.9rem;text-decoration:none}.faq-page section{scroll-margin-top:20px}.faq-page .faq p{color:var(--ink)}
@media(max-width:1050px){.nav-links{gap:14px}.nav-links .desktop-link:first-child{display:none}}
@media(max-width:760px){.nav{gap:12px}.nav-links{gap:12px}.help-toggle{width:36px;height:36px}.choice-card{padding:9px}.choice-main{font-size:.875rem}.share-actions button{min-height:44px}.faq-jump a{padding:9px 12px}}
@media(max-width:430px){.choice-grid{grid-template-columns:1fr}.checks{grid-template-columns:1fr}.nav-links{width:100%;justify-content:space-between}.quality-choice .check{min-height:34px}.hero h1{font-size:2rem}}

/* v1.3: clear purpose at first glance and distinct, accessible section colours. */
.hero-home{display:block;padding:30px 0 25px}
.hero-heading{display:flex;justify-content:space-between;align-items:center;gap:28px;margin-bottom:22px}
.hero-heading h1{font-size:clamp(1.65rem,3.1vw,2.7rem);line-height:1.15;margin:0;letter-spacing:-.035em}
.hero-heading .eyebrow{margin-bottom:9px}
.problem-solution{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.intro-card{min-width:0;border:1px solid;border-top-width:5px;border-radius:12px;padding:21px 24px}
.intro-card h2{font-size:1.18rem;line-height:1.25;letter-spacing:0;margin:0 0 9px;font-weight:800}
.hero .intro-card p{color:inherit;font-size:1.03rem;line-height:1.6;margin:0;max-width:none}
.intro-problem{background:#fff0ef;border-color:#edb8b5;border-top-color:#b8323f;color:#682b32}
.intro-problem h2{color:#a32634}
.intro-solution{background:#eaf8ef;border-color:#b6dcc3;border-top-color:#238355;color:#254e3a}
.intro-solution h2{color:#17613e}
.hero .intro-instruction{max-width:none;margin:17px 0 0;font-size:.94rem;color:var(--ink)}
.input-panel{background:#eef5ff;border-color:#c6d9ef;border-top:5px solid #0755c9}
.input-panel>.panel-title h2{color:#154c97}
.input-panel .step{background:#0755c9;color:white}
.input-panel .tabs{background:#dce9fa}
.output-panel{background:#f0faf4;border-color:#bedcc8;border-top:5px solid #238355}
.output-panel .panel-title h2{color:#17613e}
.output-panel .step{background:#238355;color:white}
.output-panel .empty{background:#ffffffc9;border-color:#a5cfb4}
.output-panel .placeholder-lines{background:#238355}
.output-panel .label,.output-panel .changes{background:#dff2e6;color:#17613e}
.output-panel .result-text{background:white;border-color:#a5cfb4}
.output-panel .result-actions .primary{background:#17613e}
.output-panel .result-actions .primary:hover:not(:disabled){background:#10472d}
.format-choices,.document-choices{border:1px solid;border-radius:10px;padding:13px 14px 14px;margin-top:23px}
.format-choices{background:#f3effc;border-color:#d7c9ed}
.format-choices legend{color:#604197;padding:0 5px}
.document-choices{background:#fff6e6;border-color:#e7d0a0}
.document-choices legend{color:#79501c;padding:0 5px}
.document-choices .file-note{background:#fffdf7}
.home-section{--section-accent:#0755c9;padding:29px;border:1px solid;border-top:4px solid var(--section-accent);border-radius:16px;margin:0 0 24px}
.home-section>h2,.home-section .section-head>h2{color:var(--section-accent)}
.home-section .card{border-color:#ffffffc9}
.section-benefits{--section-accent:#1755a2;background:#eaf2ff;border-color:#c5d6ee;border-top-color:var(--section-accent)}
.section-example{--section-accent:#85521b;background:#fff4df;border-color:#e8d5af;border-top-color:var(--section-accent)}
.section-example .compare{border-color:#e2ceb1;gap:1px;background:#e2ceb1}
.section-example .compare>div:first-child{background:#fff5f3}
.section-example .compare>div:first-child h3{color:#a32634}
.section-example .compare>div:last-child{background:#eaf8ef}
.section-example .compare>div:last-child h3{color:#17613e}
.section-example>.tiny{margin:13px 0 0}
.section-knowledge{--section-accent:#67429c;background:#f2edfb;border-color:#d6c9ed;border-top-color:var(--section-accent)}
.section-resources{--section-accent:#156867;background:#e6f5f3;border-color:#b9dcd7;border-top-color:var(--section-accent)}
.section-resources .link-tile{background:#ffffffd9;border:1px solid #c6e3de;border-top:3px solid #26827b;border-radius:10px;padding:18px}
.section-faq{--section-accent:#71542b;background:#faf4e8;border-color:#e4d5b8;border-top-color:var(--section-accent)}
.section-faq details{border-color:#ddd0b6}
.section-faq>p:last-child{margin-bottom:0}
@media(max-width:760px){
 .hero-home{padding:24px 0 22px}
 .hero-heading{margin-bottom:18px}
 .hero-heading h1{font-size:1.7rem}
 .problem-solution{grid-template-columns:1fr;gap:12px}
 .intro-card{padding:15px 18px}
 .hero .intro-card p{font-size:.97rem;line-height:1.5}
 .intro-card h2{font-size:1.08rem;margin-bottom:6px}
 .hero .intro-instruction{font-size:.89rem;line-height:1.55;margin-top:14px}
 .home-section{padding:22px 19px;margin-bottom:20px}
 .format-choices,.document-choices{padding:11px}
 .section-example .compare>div{padding:20px}
}
@media(max-width:430px){.hero-heading h1{font-size:1.55rem}.hero-heading .eyebrow{font-size:.66rem}.section-resources .link-grid{grid-template-columns:1fr}.home-section h2{font-size:1.4rem}}
@media print{.hero-home,.home-section{display:none}.output-panel{background:white;border:0}.output-panel .result-text{border:0}}

/* v1.4: batch inputs, instant additions and review briefs. */
.tabs{flex-wrap:wrap}.tab{min-width:115px;min-height:46px}
.series-fields{background:#f4effc;border:1px solid #d6c9ed;border-radius:10px;padding:16px;margin:0 0 18px}
.series-fields .help{margin-bottom:12px}.series-fields .field{margin-bottom:10px}
.series-picker{margin-bottom:17px}.series-picker select{max-width:100%}.series-picker .tiny{margin:6px 0 0}
.material-choice{background:#fff;padding:12px;border:1px solid var(--line);border-radius:8px;margin:0 0 20px}
.material-choice .check{padding-top:4px;font-weight:650}
.instant-section{border-top:1px solid #bedcc8;margin-top:18px;padding-top:18px}
.instant-section h3{font-size:.95rem;margin-bottom:8px}.instant-section .help{line-height:1.5}
.instant-grid{display:grid;gap:9px}.instant-grid>.help-unit{background:white;border:1px solid #bedcc8;padding:7px 10px;border-radius:8px}
.instant-button{border:0;border-radius:6px;color:#25573d;background:transparent;min-height:36px;padding:7px 10px;text-align:left;font-size:.88rem;font-weight:650;flex:1}
.instant-button:before{content:'+';display:inline-block;min-width:20px;font-size:1rem}
.instant-button[aria-pressed=true]{background:#dff2e6;color:#145333}.instant-button[aria-pressed=true]:before{content:'✓'}
.instant-button:disabled{opacity:.55;cursor:not-allowed}
.review-section{margin-top:18px;background:#f3effc;border:1px solid #d6c9ed;border-radius:9px;padding:15px}
.review-section summary{color:#604197}.review-section textarea{font-size:.85rem;margin-bottom:10px;background:#fff;min-height:180px}
.series-actions{margin-top:15px;padding:14px;background:#e4f0ed;border-radius:9px}
#copy-series-buffer{position:fixed;left:-9999px;top:0}
.output-panel{position:static}
@media(max-width:760px){.instant-button{min-height:44px}.tab{min-width:100px;font-size:.83rem}.series-fields,.review-section{padding:12px}}
@media print{#new-tools,.share-section,.series-picker{display:none}}

/* v1.5: concise first use and transparent, local results. */
.builder-fields{border:0;padding:0;margin:0;min-width:0}
.input-panel .panel-title h2{color:#154c97}
.local-processing{font-size:.79rem;background:#fff;border:1px solid #c6d9ef;border-radius:7px;padding:10px 12px;margin:0 0 17px;color:#265674}
.service-intro{font-size:.88rem;line-height:1.55;color:#345469}
#advanced-settings{margin:18px 0;border:1px solid #bfd1e6;border-radius:9px;background:#f9fbff;padding:14px}
#advanced-settings>summary{line-height:1.5;font-size:.86rem;color:#154c97}
#advanced-settings .details-body>.field:first-child{margin-top:5px}
.math-choices{background:#edf3ff;border:1px solid #c6d9ef;border-radius:10px;padding:13px;margin-top:24px}
.math-choices legend{font-size:.88rem;line-height:1.5;color:#154c97;padding:0 5px;max-width:100%}
.combination-note{font-size:.84rem;background:#fff4df;border:1px solid #e7d0a0;border-radius:8px;padding:12px;color:#674b20}
.result-views{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 15px}
.result-views button{flex:1;min-height:44px;padding:9px 10px;background:#fff;border:1px solid #b7d3c1;border-radius:7px;font-size:.81rem;font-weight:650;color:#235339}
.result-views button[aria-pressed=true]{color:#fff;background:#17613e;border-color:#17613e}
#view-changes{margin:0;line-height:1.65;min-height:240px}#view-changes li{margin:8px 0}#view-changes .tiny{margin:16px 0 0}
#original-output{background:#fff;font-size:.9rem}#original-topic{overflow-wrap:anywhere}
.section-resources .link-grid{grid-template-columns:1fr 1fr}.more-resources{font-size:.9rem;margin:18px 0 0}
.instant-section .status:empty{display:none}
@media(max-width:760px){.hero-home{padding-top:22px}.hero-heading{margin-bottom:14px}.intro-card{padding:12px 16px}.result-views button{min-width:90px}.panel{padding:19px}}
@media(max-width:430px){.section-resources .link-grid{grid-template-columns:1fr}#advanced-settings{padding:11px}.result-views{gap:5px}.result-views button{font-size:.76rem;padding:8px 7px}.math-choices legend{font-size:.82rem}}
#char-count{white-space:nowrap;flex-shrink:0}

/* v1.6: a separate, locally searchable answer-repair library. */
.repair-page{padding:30px 0 45px}
.repair-hero{max-width:850px;margin-bottom:28px}
.repair-back{font-size:.86rem;display:inline-block;margin-bottom:26px}
.repair-hero h1{font-size:clamp(1.9rem,4vw,2.8rem);letter-spacing:-.035em;line-height:1.15;margin:8px 0 16px}
.repair-hero .lead{max-width:730px;font-size:1.13rem;line-height:1.6;margin:0 0 17px}
.repair-status{color:#654487;font-size:.79rem;font-weight:650;margin:0 0 6px}
.repair-hero>.help{max-width:750px;margin:0;line-height:1.55}
.repair-library{border:1px solid #d6c9ed;border-top:4px solid #67429c;border-radius:16px;background:#f3effb;padding:25px}
.repair-filter{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.repair-filter .field{margin:0}.repair-filter label{font-size:.88rem}.repair-filter input{width:100%;border:1px solid #bbc9d7;background:white;border-radius:8px;color:var(--ink);padding:11px 12px;min-height:45px}
.repair-library-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin:15px 0 22px}
.repair-library-actions .tiny{margin:0}.repair-library-actions .secondary{font-size:.84rem;min-height:44px}
.repair-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.repair-card{min-width:0;background:#fff;border:1px solid #dbd2e8;border-radius:11px;padding:23px;overflow-wrap:anywhere}
.repair-card-category{display:flex;align-items:center;gap:11px;font-size:.7rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:#654487;margin-bottom:14px}
.repair-card-category span{background:#f0e8fc;border-radius:6px;padding:5px 7px;letter-spacing:0}
.repair-card[data-category=code] .repair-card-category{color:#165693}
.repair-card[data-category=code] .repair-card-category span{background:#e9f2fe}
.repair-card[data-category=structure] .repair-card-category{color:#816023}
.repair-card[data-category=structure] .repair-card-category span{background:#fff3d9}
.repair-card h2{font-size:1.14rem;line-height:1.4;letter-spacing:-.015em;margin:0 0 10px}
.repair-card-summary{font-size:.91rem;line-height:1.6;margin:0 0 18px;min-height:3.2em;color:var(--muted)}
.repair-use{min-height:44px;font-size:.85rem;padding:11px 15px;background:#67429c}
.repair-use:hover:not(:disabled){background:#503077}
.repair-details{border:0;border-top:1px solid #ece7f4;margin:18px 0 0;padding:14px 0 0}
.repair-details summary{font-size:.79rem;line-height:1.5;color:#654487}
.repair-details dl{font-size:.85rem;line-height:1.6;margin:14px 0 0}.repair-details dt{font-weight:700;margin:13px 0 3px}.repair-details dd{margin:0;color:var(--muted)}
.repair-no-results{background:white;padding:20px;border-radius:9px;font-size:.9rem}
.repair-builder{margin-top:35px;scroll-margin-top:25px}
.repair-builder-header{display:flex;justify-content:space-between;align-items:start;gap:24px;margin-bottom:20px;padding:24px;background:#f3effb;border:1px solid #d6c9ed;border-radius:12px}
.repair-builder-header h2{font-size:1.5rem;margin:6px 0 9px;color:#573183}.repair-builder-header p{max-width:750px;font-size:.89rem;line-height:1.6;margin:6px 0 0}
.repair-builder-header .eyebrow{font-size:.67rem;margin:0}.repair-builder-header .repair-selected{font-weight:700}.repair-builder-header .secondary{flex-shrink:0;font-size:.79rem;min-height:44px;background:#fff}
.repair-blocks{background:#f7f3fe;border:1px solid #d6c9ed;padding:13px;border-radius:8px;margin:18px 0}
.repair-blocks summary{font-size:.86rem;color:#604197}.repair-blocks .details-body{padding-top:12px}.repair-blocks .help{line-height:1.5}
.repair-block-buttons{display:flex;gap:7px;flex-wrap:wrap}.repair-block-buttons .secondary{font-size:.8rem;min-height:44px;padding:9px 11px}
#block-status:empty{display:none}
.repair-page [hidden]{display:none!important}
@media(max-width:1000px){.nav-links{gap:12px}.nav-links>a{font-size:.77rem}}
@media(max-width:760px){.repair-page{padding-top:22px}.repair-back{margin-bottom:20px}.repair-library{padding:17px}.repair-grid,.repair-filter{grid-template-columns:1fr}.repair-filter{gap:14px}.repair-card{padding:18px}.repair-card-summary{min-height:0}.repair-builder-header{flex-direction:column;gap:12px;padding:18px}.repair-builder-header h2{font-size:1.3rem}.repair-hero .lead{font-size:1rem}.repair-card h2{font-size:1.08rem}.nav-links>a{font-size:.75rem}}
@media print{.repair-hero,.repair-library,.repair-builder-header{display:none}}

/* v1.6.1: original logo and a dedicated contact page. */
.brand{display:block;flex-shrink:0;line-height:1}
.brand-logo{display:block;width:205px;height:auto;max-width:100%}
.nav-links{gap:19px}.nav-links>a{font-size:.83rem}
.contact-page{padding:40px 0 35px}.contact-hero{max-width:820px;margin-bottom:30px}
.contact-hero h1{font-size:clamp(2rem,4vw,2.9rem);margin-bottom:17px}
.contact-hero .lead{font-size:1.1rem;line-height:1.65;max-width:750px;color:var(--muted)}
.contact-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:25px;align-items:start}
.contact-form-panel{padding:28px;background:#eef5ff;border:1px solid #c6d9ef;border-top:4px solid #0755c9;border-radius:15px;min-width:0}
.contact-form-panel h2{color:#154c97;font-size:1.4rem;margin-bottom:10px}
.contact-aside section{padding:25px;border:1px solid;border-top-width:4px;border-radius:15px;margin-bottom:20px}
.contact-aside h2{font-size:1.16rem;margin-bottom:13px}.contact-aside h3{font-size:.95rem;margin:22px 0 6px}.contact-aside p{font-size:.9rem;margin-bottom:0;color:var(--muted)}
.contact-direct{background:#eaf8ef;border-color:#b6dcc3!important;border-top-color:#238355!important}.contact-direct h2{color:#17613e}.contact-direct a{display:inline-block;margin-top:10px;overflow-wrap:anywhere;font-weight:650}
.contact-ideas{background:#f3effb;border-color:#d6c9ed!important;border-top-color:#67429c!important}.contact-ideas h2{color:#573183}
.contact-privacy{font-size:.8rem;color:var(--muted);line-height:1.65;margin:22px 0 18px}
.contact-preview{font-size:.86rem;background:#fff4df;border:1px solid #e7d0a0;border-radius:8px;padding:13px;color:#674b20;margin:18px 0}
.contact-feedback{padding:15px;background:#fff;border:1px solid #bfd1e6;border-radius:8px;margin:18px 0;font-size:.94rem}.contact-feedback.good{background:#eaf8ef;border-color:#8fc8a5;color:#17613e}.contact-feedback.error{background:#fff0ef;border-color:#edb8b5;color:#9b2331}
.contact-trap{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.field-error{font-size:.8rem;color:#a32634;margin:6px 0 0}.field-error:empty{display:none}
#contact-feedback:empty{display:none}
#contact-count{white-space:nowrap;flex-shrink:0}.contact-back{margin:27px 0 0;font-size:.9rem}
@media(max-width:1100px){.nav-links .desktop-link{display:none}.nav-links{gap:17px}.brand-logo{width:195px}}
@media(max-width:760px){.nav{position:relative}.brand-logo{width:180px}.nav-links{flex-wrap:wrap;gap:9px 15px}.nav-links .languages{position:static;flex:0 0 auto}.nav-links>a{font-size:.78rem}.contact-page{padding-top:26px}.contact-layout{grid-template-columns:1fr}.contact-form-panel,.contact-aside section{padding:20px}.contact-hero{margin-bottom:23px}.contact-hero .lead{font-size:1rem}.contact-form-panel .row{grid-template-columns:1fr;gap:0}}

/* v1.8.2: responsive header; language selector always reserves its own space. */
.nav .brand{flex:0 0 auto}
.nav-links{min-width:0;max-width:100%;flex-wrap:wrap}
.nav-links>a{white-space:nowrap}
.languages a{min-width:38px;text-align:center}
@media(max-width:760px){.nav{gap:10px 18px;padding:12px 0}.nav-links{gap:8px 14px}.nav-links .languages{margin-left:0}.languages a{min-width:40px;min-height:40px;display:flex;align-items:center;justify-content:center}}