:root{--ink:#202427;--muted:#687177;--border:#dadfe2;--bg:#f7f8f9;--red:#ad443b;--red-dark:#90372f;--dark:#252729;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}[hidden]{display:none!important}.shell{width:min(1180px,calc(100% - 42px));margin-inline:auto}.site-header{height:66px;background:var(--dark);color:#f9f9f9;position:relative;z-index:20}.topbar{display:flex;align-items:center;gap:32px;height:100%}.brand{display:inline-flex;align-items:center;gap:11px;font-size:23px;white-space:nowrap;font-weight:750;letter-spacing:-.6px}.brand-mark{width:30px;height:30px;display:grid;place-items:center;color:#fff;border-radius:5px;background:var(--red);font-size:16px}.primary-nav{display:flex;align-items:center;gap:20px;margin-left:auto;height:100%}.primary-nav>a,.nav-dropdown>summary{color:#dedede;font-size:13px;font-weight:650;white-space:nowrap;padding:12px 3px;cursor:pointer}.primary-nav a:hover,.nav-dropdown>summary:hover{color:#fff}.nav-dropdown{position:relative}.nav-dropdown>summary{list-style:none}.nav-dropdown>summary::-webkit-details-marker{display:none}.nav-dropdown>summary:after{content:"⌄";margin-left:8px;font-size:14px;color:#aaa}.nav-panel{position:absolute;top:42px;left:-12px;min-width:255px;max-height:72vh;overflow:auto;display:grid;background:#fff;color:var(--ink);border:1px solid var(--border);box-shadow:0 10px 30px #1112;padding:8px;border-radius:6px;z-index:30}.nav-panel a{font-size:13px;padding:11px 13px;white-space:nowrap;border-radius:4px}.nav-panel a:hover{background:#f2f3f4;color:var(--red)}.language-button,.icon-button{border:1px solid #676767;background:transparent;color:#fff;min-height:39px;padding:7px 11px;border-radius:5px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}.lang-symbol{font-size:22px;font-weight:bold;line-height:1}.mobile-only{display:none}.page-intro{padding:50px 0 32px}.page-intro .kicker{font-size:11px;letter-spacing:1.4px;color:var(--red);text-transform:uppercase;font-weight:bold}.page-intro h1,.tool-intro h1{font-size:34px;font-weight:750;letter-spacing:-1px;line-height:1.22;margin:6px 0 9px}.page-intro>p:last-child,.tool-intro p{font-size:15px;color:var(--muted);margin:0;max-width:750px}.tool-section{padding:12px 0 29px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}.section-heading h2{font-size:20px;letter-spacing:-.2px;margin:0}.section-heading>a{color:var(--red);font-size:13px;font-weight:600}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.tool-card{background:#fff;display:flex;flex-direction:column;position:relative;min-height:140px;padding:22px 23px 16px;border:1px solid var(--border);border-radius:8px;transition:border-color .16s,transform .16s}.tool-card:hover{border-color:#aeaca9;transform:translateY(-2px)}.tool-title{font-size:16px;font-weight:700;margin-bottom:7px}.tool-desc{font-size:13px;color:var(--muted);padding-right:24px;line-height:1.55}.tool-arrow{position:absolute;bottom:16px;right:19px;font-size:20px;color:var(--red)}.breadcrumb{font-size:12px;color:#778086;padding-top:25px}.breadcrumb a:hover{color:var(--red)}.tool-intro{padding:24px 0 26px}.tool-intro h1{font-size:34px}.work-area{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);border:1px solid var(--border);border-radius:9px;overflow:hidden;background:#fff;min-height:445px}.form-panel{padding:32px 34px;display:flex;flex-direction:column;gap:20px}.field{display:flex;flex-direction:column;gap:9px}.field>label,.field>legend{font-size:13px;font-weight:700;color:#373d40}.field input[type=text],.field input[type=url],.field input[type=number],.field select{width:100%;border:1px solid #cfd5d9;border-radius:5px;height:46px;padding:10px 13px;background:#fff;color:#272b2d}.field input:focus-visible,.field select:focus-visible,.button:focus-visible{outline:2px solid #486f9d;outline-offset:2px}.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2368767b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:40px}.field input[type=color]{width:93px;height:46px;border-radius:5px;padding:3px;border:1px solid #cfd5d9;background:#fff;cursor:pointer}.upload-box{border:1px dashed #afb8be;border-radius:6px;padding:23px 21px;background:#fbfcfc}.upload-box input[type=file]{display:block;width:100%;max-width:100%;font-size:13px}.upload-box small{display:block;color:#7d868c;font-size:12px;margin-top:11px}.option-field{border:none;margin:0;padding:0}.radio-options{display:flex;flex-wrap:wrap;gap:18px;margin-top:5px}.radio-options label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;font-weight:500}.radio-options input{width:17px;height:17px;accent-color:var(--red);margin:0}.field-hint{font-size:12px;color:#707980;margin:0;line-height:1.55}.slider-row{display:grid;grid-template-columns:minmax(80px,1fr) 74px 16px;gap:13px;align-items:center}.slider-row input[type=range]{width:100%;accent-color:var(--red)}.slider-row input[type=number]{width:74px;text-align:center;padding:5px;height:40px}.button{border:1px solid var(--red);border-radius:5px;padding:12px 20px;font-weight:700;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none}.button:disabled{opacity:.65;cursor:wait}.primary-action{background:var(--red);color:#fff;align-self:stretch;margin-top:3px;min-height:51px;justify-content:space-between}.primary-action:hover{background:var(--red-dark)}.status{font-size:13px;margin:-5px 0 0;color:#34577d;min-height:14px}.status.is-error{color:#ac3030}.preview-panel{border-left:1px solid var(--border);background:#f2f4f5;padding:28px 27px;min-width:0}.preview-header{font-size:12px;font-weight:bold;text-transform:uppercase;letter-spacing:.7px;margin-bottom:14px;color:#657078}.preview-stage{min-height:315px;width:100%;background:#fff;border:1px solid #e1e4e5;border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:21px}.preview-placeholder{color:#909aa0;text-align:center;max-width:270px}.placeholder-icon{display:block;font-size:57px;line-height:1;color:#bac1c5;margin-bottom:16px}.preview-placeholder p{font-size:13px;margin:0}.preview-stage img{display:block;object-fit:contain;max-width:100%;max-height:340px;width:auto;height:auto}.preview-stage img[hidden]{display:none!important}.preview-meta{color:#68737a;font-size:12px;text-align:center;min-height:15px;margin:13px 0 0;overflow-wrap:anywhere}#qr-render{width:100%;max-width:450px;display:flex;justify-content:center}#qr-render svg{width:100%;height:auto;max-height:310px}.honest-note{background:#fef9ef;border-left:3px solid #d5a560;padding:12px 13px;color:#6e613f;font-size:12px;margin:0}.related{padding:33px 0 20px}.related h2{font-size:17px;margin:0 0 14px}.related-links{display:flex;gap:9px;flex-wrap:wrap}.related-links a{border:1px solid var(--border);background:#fff;border-radius:5px;padding:10px 12px;font-size:12px;color:#3b4549}.related-links a:hover{border-color:var(--red)}.result-layout{background:#fff;border:1px solid var(--border);border-radius:8px;display:grid;grid-template-columns:1fr 1fr;min-height:320px;overflow:hidden}.result-body{padding:35px}.result-body h2{margin:0 0 10px;font-size:21px}.result-status{color:#566268;font-size:13px}.result-status.warning{color:#9a591d}.result-files{display:grid;gap:11px}.result-file{padding:15px;border:1px solid var(--border);border-radius:6px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;overflow-wrap:anywhere}.result-file .button{background:var(--red);color:#fff}.result-links{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}.button-plain{background:#fff;color:var(--red)}.button-text{border:0;background:transparent;color:#7a868b}.result-preview{background:#f2f4f5;padding:20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));align-items:start;gap:15px}.result-preview img{max-width:100%;max-height:335px;object-fit:contain;background:white;border:1px solid var(--border);border-radius:4px;padding:10px}.seo-copy{border-top:1px solid var(--border);margin:60px 0 70px;padding-top:33px;max-width:900px;color:#475158}.seo-copy h2{font-size:21px;color:var(--ink)}.seo-copy h3{font-size:17px;color:var(--ink);margin-top:29px}.seo-copy p{font-size:14px;line-height:1.75}.seo-copy details{background:#fff;border:1px solid var(--border);padding:14px 17px;margin:8px 0;border-radius:5px}.seo-copy summary{font-weight:700;cursor:pointer;font-size:13px}.seo-copy details p{margin:12px 0 2px}.site-footer{border-top:1px solid var(--border);padding:25px 0 36px;font-size:12px;color:#858d92;background:#fff}.site-footer .shell{display:flex;justify-content:space-between;gap:10px}.mobile-dialog,.language-dialog{background:#fff;color:var(--ink);border:1px solid var(--border);box-shadow:0 22px 80px #0003;padding:0;border-radius:7px;max-height:85vh}.mobile-dialog::backdrop,.language-dialog::backdrop{background:#0008}.mobile-dialog{position:fixed;inset:0 auto 0 0;width:min(350px,88vw);height:100vh;max-height:100vh;margin:0;border-radius:0}.language-dialog{width:min(430px,calc(100vw - 30px));margin:auto}.dialog-title{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding:19px 22px;font-size:16px}.dialog-close{border:0;background:none;color:#4a5055;font-size:29px;line-height:1;cursor:pointer;padding:0 6px}.mobile-links{overflow:auto;max-height:calc(100vh - 70px);display:flex;flex-direction:column;padding:12px}.mobile-links a,.language-list a{padding:10px 14px;font-size:13px;border-radius:4px}.mobile-links a:hover,.language-list a:hover{background:#f0f2f3}.mobile-heading{color:#818a90;font-size:11px;text-transform:uppercase;font-weight:700;padding:20px 14px 6px}.language-list{display:grid;padding:12px}.language-list a{display:flex;justify-content:space-between;align-items:center;font-size:14px}.language-list a[aria-current=page]{background:#f3f4f5;color:var(--red);font-weight:700}
@media(max-width:1020px){.primary-nav{gap:11px}.primary-nav>a,.nav-dropdown>summary{font-size:12px}.brand{font-size:20px}}
@media(max-width:850px){.site-header{height:62px}.topbar{display:grid;grid-template-columns:45px minmax(0,1fr) 65px;gap:7px}.mobile-only{display:flex}.menu-lines{display:grid;gap:4px}.menu-lines i{background:#fff;width:19px;height:2px;border-radius:10px}.brand{justify-content:center;font-size:19px}.primary-nav{display:none}.language-button{justify-self:end;min-width:60px}.work-area{grid-template-columns:1fr}.form-panel{padding:27px}.preview-panel{border-left:0;border-top:1px solid var(--border)}.preview-stage{min-height:250px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:580px){.shell{width:calc(100% - 28px)}.brand{font-size:17px}.page-intro{padding-top:35px}.page-intro h1,.tool-intro h1{font-size:28px}.tool-grid{grid-template-columns:1fr}.tool-card{min-height:115px;padding:18px}.form-panel{padding:20px;gap:19px}.preview-panel{padding:18px}.preview-stage{padding:12px;min-height:225px}.tool-intro{padding:19px 0}.result-layout{grid-template-columns:1fr}.result-preview{border-top:1px solid var(--border)}.result-body{padding:22px}.site-footer .shell{flex-direction:column}.radio-options{gap:15px}}
/* Focused file picker: same appearance on every platform. */
.upload-box{position:relative;display:flex;align-items:center;flex-wrap:wrap;gap:10px 12px;min-height:103px}
.upload-box input[type=file]{opacity:0;position:absolute;inset:0;width:100%;height:100%;cursor:pointer;z-index:2}
.file-cta{font-size:13px;font-weight:700;background:#fff;border:1px solid #b9c2c8;padding:10px 14px;border-radius:5px;white-space:nowrap}
.file-chosen{font-size:12px;color:#66727a;min-width:0;max-width:calc(100% - 115px);word-break:break-word}
.upload-box small{width:100%;margin:0}
.upload-box:focus-within{outline:2px solid #7b95b7;outline-offset:2px}

/* v0.6.0 — visual hierarchy, chosen file feedback and compact category navigation */
:root{--ink:#151b20;--muted:#515c64;--border:#c9d0d5;--bg:#edf0f1;--red:#b34435;--red-dark:#8f3128;--dark:#202225}
body{font-size:16px;color:var(--ink)}
.page-intro h1,.tool-intro h1{font-size:clamp(30px,3vw,42px);letter-spacing:-.9px}
.tool-intro p,.page-intro>p:last-child{font-size:16px;color:#49535b}
.tool-title{font-size:17px}.tool-desc{font-size:14px;color:#515b62}.breadcrumb{font-size:14px;color:#5d676e}
.section-heading h2{font-size:22px}.tool-card{border-color:#c7cfd4;background:#fff;box-shadow:0 2px 8px #151e2510}
.form-panel{gap:20px}.field>label,.field>legend{font-size:15px;color:#252b30}.field input[type=text],.field input[type=url],.field input[type=number],.field select{font-size:16px;height:49px;color:#1b2024}
.upload-box{background:#f9fafb;border-color:#95a5ae;min-height:122px}
.upload-box small,.field-hint{font-size:14px;color:#59656d}.file-cta{font-size:14px;padding:11px 15px;border-color:#9eabb4}
.file-chosen{font-size:14px;font-weight:650;color:#27333a;line-height:1.45}.radio-options label{font-size:15px}
.button{font-size:15px;padding:13px 20px}.primary-action{min-height:55px}.preview-header{font-size:13px;color:#4e5c65}.preview-panel{background:#e9eef0}.preview-stage{border-color:#cdd7db;min-height:316px}.preview-placeholder p{font-size:14px;color:#637079}
.preview-meta{font-size:14px;color:#465b63;min-height:20px}.status{font-size:14px}.honest-note{font-size:14px}
.selected-doc-icon{font-size:53px;line-height:1;color:#9eabb5}.selection-preview{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;width:100%;padding:22px 10px;overflow-wrap:anywhere}.selection-preview strong{font-size:16px;max-width:100%;word-break:break-word}.selection-preview small{font-size:14px;color:#58666e;max-width:100%;word-break:break-word}
.result-file{font-size:14px}.result-body h2{font-size:24px}.related h2{font-size:20px}.related-links a{font-size:14px}.site-footer{font-size:14px;color:#5a656c}.site-footer a{color:#a43a30}.seo-copy p{font-size:15px;color:#48535c}.seo-copy summary{font-size:15px}
.primary-nav>a,.nav-dropdown>summary{font-size:14px}.nav-panel a{font-size:14px}.language-list a{font-size:15px}
.brand-logo{max-height:46px;max-width:220px;width:auto;height:auto;object-fit:contain}
.mobile-links{gap:7px}.mobile-links>a.mobile-main{font-size:15px;font-weight:700;border-radius:4px;padding:12px 15px;color:#202a31}
.mobile-links details{border:1px solid #dce1e5;border-radius:6px;background:#f8f9fa;overflow:hidden}
.mobile-links summary{cursor:pointer;padding:15px 16px;font-size:16px;font-weight:700;list-style:none;display:flex;align-items:center;justify-content:space-between;color:#24303a}
.mobile-links summary::-webkit-details-marker{display:none}.mobile-links summary:after{content:'+';font-size:21px;font-weight:400}.mobile-links details[open]>summary:after{content:'−'}
.mobile-sub{display:grid;gap:2px;padding:4px 9px 11px;border-top:1px solid #dfe4e7;background:white}.mobile-sub a{padding:12px 13px;font-size:14px;color:#39434b;line-height:1.35}
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px;margin:8px 0 60px}
.blog-card{background:white;border:1px solid var(--border);border-radius:7px;overflow:hidden;display:flex;flex-direction:column;min-height:235px;padding:22px}
.blog-card img{width:calc(100% + 44px);height:185px;object-fit:cover;margin:-22px -22px 18px}.blog-card h2{font-size:21px;line-height:1.32;margin:0 0 12px}.blog-card p{font-size:15px;color:#56626a;margin:0 0 17px;line-height:1.6;flex:1}.blog-card span{font-weight:700;color:var(--red);font-size:14px}
.blog-article{max-width:920px;margin:10px auto 70px;background:#fff;border:1px solid var(--border);border-radius:7px;padding:clamp(23px,5vw,60px)}
.blog-cover img{width:100%;max-height:420px;object-fit:cover}.blog-content{font-size:18px;line-height:1.82}.blog-content h2{font-size:27px;line-height:1.3;margin-top:1.9em}.blog-content h3{font-size:22px;line-height:1.35}.blog-content img{max-width:100%;height:auto}
@media(max-width:900px){.blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:580px){.blog-grid{grid-template-columns:1fr}.tool-title{font-size:17px}.tool-desc{font-size:14px}.form-panel{padding:22px}.preview-stage{min-height:235px}.tool-intro h1{font-size:30px}.brand-logo{max-width:180px;max-height:40px}}
/* 0.7.0: clean conversion results, contact, unit tools */
.result-preview{min-height:340px;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:12px}
.result-preview img{max-width:100%;max-height:550px;object-fit:contain}
.pdf-preview-frame{width:100%;height:570px;min-height:370px;background:#fff;border:1px solid #ccd4d8;border-radius:5px}
.pdf-preview-note{color:#5b6972;font-size:14px;text-align:center;margin:2px 8px 12px}
.result-type-card{padding:28px;background:#fff;border:1px solid #dce1e4;border-radius:5px;overflow-wrap:anywhere}
.contact-wrap{max-width:760px;margin:28px auto 80px}
.contact-form{border:1px solid #ccd5da;background:#fff;padding:clamp(22px,4vw,42px);border-radius:8px;display:grid;gap:22px;box-shadow:0 14px 40px #17232a0a}
.contact-form label{font-size:16px;font-weight:700;color:#1e2930;display:grid;gap:9px}
.contact-form input,.contact-form textarea{font:inherit;border:1px solid #bfcbd1;padding:13px 14px;border-radius:5px;width:100%;background:#fff;color:#1a2228}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid #a94b3e;outline-offset:1px}
.contact-ok,.contact-error{padding:15px;background:#eaf5ed;color:#18643e;border:1px solid #b4d6c0;border-radius:6px}
.contact-error{background:#fff0eb;border-color:#e4b9a7;color:#8d2b21}
.spam-trap{position:absolute;left:-99999px;width:1px;height:1px;overflow:hidden}
.unit-grid{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:end;gap:12px}
.unit-grid .field{min-width:0}.unit-swap-wrap{padding-bottom:0}
.unit-live-result{border:1px solid #b9cbd3;background:#e7edf1;color:#1b2c34;padding:22px;border-radius:7px;font-size:clamp(25px,3vw,36px);font-weight:750;word-break:break-word;font-variant-numeric:tabular-nums}
.work-area:has(.preview-panel[hidden]){grid-template-columns:1fr;max-width:880px;margin-left:auto;margin-right:auto}
.preview-panel[hidden]{display:none!important}
.site-footer .shell{flex-wrap:wrap;gap:12px 30px}
@media(max-width:700px){.unit-grid{grid-template-columns:1fr}.unit-swap-wrap{text-align:center}.pdf-preview-frame{height:450px;min-height:300px}}

.pdf-preview-canvas{max-width:100%;width:auto;height:auto;align-self:center;background:white;border:1px solid #d5dadd;box-shadow:0 6px 25px #1c273014;border-radius:4px}

/* v0.8.0: fixed mobile header and readable tool navigation */
@media(max-width:850px){
  body{padding-top:62px}
  .site-header{position:fixed!important;top:0;right:0;left:0;width:100%;height:62px;z-index:1000;box-shadow:0 2px 9px rgba(0,0,0,.15)}
  .mobile-dialog{z-index:1100}
  .language-dialog{z-index:1100}
}
.nav-dropdown>summary{display:flex;align-items:center;gap:10px}
.nav-dropdown>summary:after{content:'';display:inline-block;margin-left:2px;width:9px;height:9px;border:solid #e8ecee;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-3px);transition:transform .17s ease;flex:0 0 auto}
.nav-dropdown[open]>summary:after{transform:rotate(225deg) translateY(-1px)}
.nav-dropdown>summary:hover:after{border-color:#fff}
.barcode-guidance{border-left:3px solid var(--red);padding:12px 15px;background:#f8f4f2;font-size:14px;line-height:1.6;color:#34434a}
.barcode-reference{padding:22px 0 8px;border-top:1px solid var(--border)}
.barcode-reference h2{font-size:19px;margin:0 0 12px}
.barcode-reference-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.barcode-reference-grid>div{background:#f9fafb;border:1px solid #dde2e5;border-radius:7px;padding:12px}
.barcode-reference-grid strong{font-size:14px}.barcode-reference-grid p{color:#52616a;font-size:13px;line-height:1.6;margin:6px 0 0}
.barcode-footnote{font-size:13px;color:#685e56}
.unit-information{border-top:1px solid var(--border);margin-top:6px;padding-top:16px;color:#43525a;line-height:1.65}
.unit-information h2{font-size:20px;color:#202b32;margin:0 0 8px}
.unit-seo-content{max-width:980px;margin:32px 0 52px;padding:26px;background:#fff;border:1px solid var(--border);border-radius:8px;line-height:1.65}
.unit-seo-content h2{font-size:24px;margin:0 0 12px}
.unit-seo-content ul{display:grid;gap:7px;padding-left:25px}
.unit-category-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}
.unit-category-links a{background:#f6f7f8;border:1px solid #d7dddf;border-radius:5px;padding:11px 15px;font-weight:650;font-size:14px}
.unit-category-links a[aria-current=page]{border-color:var(--red);color:var(--red);background:#fdf6f4}
.unit-category-links a:hover{border-color:var(--red)}
.ocr-choice{display:flex;gap:10px;align-items:flex-start;color:#485a63;font-size:14px;line-height:1.45}
.ocr-choice input{margin-top:4px;accent-color:var(--red);width:18px;height:18px;flex:0 0 18px}
@media(max-width:700px){.barcode-reference-grid,.unit-category-links{grid-template-columns:1fr}.unit-seo-content{padding:19px}.barcode-reference{padding-top:10px}}

/* v0.9.0 persistent header and honest task feedback */
.site-header{position:sticky;top:0;z-index:1000;box-shadow:0 3px 12px #0002}
@media(max-width:850px){body{padding-top:0}.site-header{position:sticky!important;top:0;right:auto;left:auto;width:100%;height:62px}}
.task-progress{margin-top:12px;padding:13px 15px;border:1px solid #d8dfe3;border-radius:6px;background:#f9fafb;display:grid;gap:10px;color:#42515c;font-size:13px}
.task-progress[hidden]{display:none!important}.task-progress-track{height:8px;background:#e0e5e7;border-radius:99px;overflow:hidden}.task-progress-bar{height:100%;width:34%;border-radius:99px;background:var(--red);animation:ta-loading 1.25s ease-in-out infinite alternate}@keyframes ta-loading{from{transform:translateX(-85%)}to{transform:translateX(290%)}}
.task-progress.is-done .task-progress-bar{animation:none;transform:none;width:100%;background:#2f8c68}
.sticker-guide{padding:18px;border:1px solid #d3dce2;border-radius:7px;background:#fff;line-height:1.75;margin-top:18px}.sticker-guide h3{margin-top:0}

/* 0.11.0 compact navigation, readable unit guide and completion animation */
.primary-nav{gap:clamp(11px,1.35vw,22px)}
.primary-nav>a,.nav-dropdown>summary{font-size:clamp(12px,.9vw,14px)}
.nav-qr .nav-panel{min-width:215px}
.unit-seo-content{box-sizing:border-box;width:min(100%,980px);max-width:980px;margin:30px auto 65px;padding:clamp(22px,3vw,38px);background:#fff;border:1px solid #cdd5d9;border-radius:9px;line-height:1.8;box-shadow:0 4px 20px #202a3311}
.unit-seo-content .unit-guide-kicker{text-transform:uppercase;letter-spacing:.08em;color:#a44035;font-weight:700;font-size:13px;margin:0 0 8px}
.unit-seo-content h2{font-size:clamp(23px,2.1vw,30px);line-height:1.25;margin:4px 0 16px;color:#17232b}
.unit-seo-content h3{font-size:19px;line-height:1.35;margin:25px 0 10px;color:#202b32}
.unit-seo-content p,.unit-seo-content li{font-size:16px;line-height:1.78;color:#374750}
.unit-seo-content ul{margin:10px 0 14px;padding-left:26px;display:grid;gap:8px}
.task-progress{position:relative;padding:15px 58px 15px 15px;gap:11px;background:#f6f8f8;border-color:#c9d1d5}
.task-progress-track{height:10px}
.task-progress-bar{width:0%;animation:none;transform:none;transition:width .08s linear;background:#b34435}
.task-progress.is-done .task-progress-bar{width:100%;animation:none;background:#27875e}
.task-progress-percent{position:absolute;bottom:12px;right:13px;color:#27323a;font-size:14px;font-variant-numeric:tabular-nums}
@media(max-width:580px){.unit-seo-content{margin:24px 0 50px;padding:20px}.unit-seo-content p,.unit-seo-content li{font-size:15px}}

/* v0.12.0 contact verification and result preview */
.contact-challenge{padding:16px 18px;border:1px solid #d7e1e5;border-radius:8px;background:#f7f9fa;display:grid;gap:10px}
.contact-challenge label{font-size:16px;font-weight:700;display:block;color:#1f2e35}
.contact-challenge input[type=number]{max-width:180px;background:#fff;border:1px solid #9eb3c3;border-radius:6px;padding:12px 13px;font-size:18px}
.contact-challenge-hint{font-size:13px;color:#536774;margin:0}
.result-preview>img{width:min(100%,620px);max-height:540px;object-fit:contain;margin:0 auto;display:block}

/* v0.12.1: field-level contact validation, clear and accessible feedback */
.contact-field.is-invalid input,.contact-field.is-invalid textarea,.contact-challenge.is-invalid input{border:2px solid #c7372c!important;background:#fff7f5;box-shadow:0 0 0 3px #c7372c11}
.contact-field .field-error,.contact-challenge .field-error{font-size:13px;line-height:1.4;font-weight:650;color:#bb3329;margin-top:0}
.field-error[hidden],#ta-contact-feedback[hidden]{display:none!important}
.contact-form input:focus-visible,.contact-form textarea:focus-visible{outline:2px solid #b04435;outline-offset:2px}
.contact-form [aria-invalid=true]:focus-visible{outline-color:#bd2d20}
.contact-form .primary-action:disabled{opacity:.66;cursor:wait}
/* Consent preferences: visible, keyboard reachable and non-obstructive on mobile. */
.ta-consent[hidden],.ta-cookie-settings[hidden],#ta-consent-details[hidden]{display:none!important}
.ta-consent{position:fixed;z-index:8000;bottom:18px;left:50%;transform:translateX(-50%);width:min(880px,calc(100vw - 24px));background:#fff;color:#1b2530;border:1px solid #cad4db;border-radius:12px;box-shadow:0 10px 45px rgba(0,0,0,.28);padding:22px;max-height:calc(100dvh - 28px);overflow:auto}
.ta-consent h2{font-size:20px;line-height:1.25;margin:0 0 9px;font-weight:750}.ta-consent p{font-size:15px;line-height:1.55;margin:0 0 14px}.ta-consent-actions{display:flex;flex-wrap:wrap;gap:10px}.ta-consent-actions .button{min-height:45px;white-space:normal}.ta-consent-options{display:flex;flex-wrap:wrap;gap:16px;padding:16px 0}.ta-consent-options label{display:flex;align-items:center;gap:7px;font-size:14px}.ta-policy-link{margin-left:12px}.ta-cookie-settings{position:fixed;bottom:9px;left:12px;z-index:1000;background:#fff;border:1px solid #bfcbd1;padding:7px 12px;border-radius:7px;color:#26333e;font:13px/1.5 inherit;cursor:pointer;box-shadow:0 2px 15px rgba(0,0,0,.09)}
@media(max-width:650px){.ta-consent{padding:16px;bottom:8px;width:calc(100vw - 16px)}.ta-consent-actions{display:grid;grid-template-columns:1fr 1fr}.ta-consent-actions .button:first-child{grid-column:1/-1}.ta-consent-options{display:grid;gap:8px}}
.ta-consent-policy-text{border:1px solid #d9e0e4;background:#fafbfc;border-radius:8px;padding:13px 16px;max-height:230px;overflow:auto;margin:8px 0 12px;font-size:13px;line-height:1.65}.ta-consent-policy-text h2{font-size:16px;margin:12px 0 7px}.ta-consent-policy-text p{font-size:13px;margin:0 0 8px}

/* Print panel — real printer selection remains in the operating system dialog. */
.result-file .ta-print-button{background:#fff;border:1px solid #8c9aa2;color:#23313b;min-width:82px}
.result-file .ta-print-button:hover{border-color:#ad4838;color:#ad4838}
.ta-print-dialog{border:1px solid #bcc9ce;border-radius:9px;padding:25px;width:min(470px,calc(100vw - 24px));box-shadow:0 18px 60px #0004;color:#21303a;background:#fff}
.ta-print-dialog::backdrop{background:#101b2699}
.ta-print-dialog h2{font-size:21px;margin:0 0 10px}.ta-print-dialog p{font-size:14px;color:#5d686f;margin:0 0 22px}
.ta-print-dialog label{display:block;font-weight:700;font-size:14px;margin:0 0 8px}
.ta-print-dialog select{display:block;width:100%;padding:12px;border:1px solid #b9c7cf;border-radius:5px;font:inherit;background:#fff}
.ta-print-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.ta-print-actions .primary-action{margin:0;align-self:auto;min-height:43px;flex:1}