:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#233b52;background:#fff;line-height:1.65;--blue:#1769c2;--navy:#123658;--pale:#eff7fd;--border:#dce7ef}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-underline-offset:4px}a:hover{color:#104a89}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}:focus-visible{outline:3px solid #e59b24;outline-offset:4px}button:disabled{opacity:.5;cursor:not-allowed}.skip{position:fixed;top:-100px;left:12px;background:#fff;padding:10px;z-index:10}.skip:focus{top:10px}.wrap{width:min(1160px,calc(100% - 48px));margin:auto}header{border-bottom:1px solid var(--border)}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:24px;font-weight:850;letter-spacing:1.4px;color:var(--navy);text-decoration:none;display:flex;align-items:center;gap:10px}.brand-mark{display:inline-grid;place-items:center;width:34px;height:38px;background:var(--blue);color:white;border-radius:5px;font-size:24px;transform:rotate(-5deg)}nav{display:flex;gap:28px;flex-wrap:wrap}nav a{font-size:14px;font-weight:650;color:#39566e;text-decoration:none}nav a[aria-current=page]{color:var(--blue)}h1,h2,h3{color:var(--navy);line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(34px,4.7vw,60px);margin:16px 0 22px;font-weight:780}h2{font-size:30px;margin:0 0 18px}h3{font-size:20px;margin:0 0 12px}p{margin:0 0 20px}.eyebrow{text-transform:uppercase;font-size:12px;font-weight:750;letter-spacing:2px;color:var(--blue)}.hero{background:linear-gradient(115deg,#f4f9fd,#eaf4fc);overflow:hidden}.hero-inner{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;min-height:505px;gap:65px;padding-block:60px}.hero p{max-width:520px;font-size:18px;color:#506c83}.hero-buttons{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.button,button{border:1px solid var(--blue);border-radius:6px;background:var(--blue);color:white;display:inline-block;padding:12px 21px;font-size:14px;font-weight:650;text-decoration:none;cursor:pointer}.button:hover,button:hover{background:#12579f;color:white}.secondary{background:white;color:var(--blue);border-color:var(--border)}.text-button{background:transparent;color:var(--blue);border-color:transparent;padding-inline:0}.hero-art{position:relative;height:340px;display:flex;align-items:center;justify-content:center}.hero-art .sheet{width:220px;height:310px;box-shadow:0 15px 40px #24486720;border:1px solid #d3e0eb;background:white;transform:rotate(-9deg);position:absolute;left:22px;top:10px}.hero-art .sheet+ .sheet{transform:rotate(9deg);left:165px;top:28px}.sheet svg{width:100%;height:100%;display:block}.art-note{position:absolute;bottom:-6px;left:45px;padding:10px 16px;border:1px solid #dce7ef;background:white;border-radius:6px;box-shadow:0 4px 18px #24486710;font-size:12px;color:#3b617b}.section{padding-block:64px}.section.soft{background:#f5f9fc}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}.section-heading p{color:#60788a;margin:0}.section-heading h2{margin-bottom:10px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{border:1px solid var(--border);border-radius:9px;overflow:hidden;background:#fff;text-decoration:none;color:inherit;display:block;transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #183e5910;color:inherit}.card-art{height:160px;background:#f5f9fc;border-bottom:1px solid var(--border);overflow:hidden;display:flex;align-items:flex-start;justify-content:center;padding:20px 30px 0}.card-art svg{width:100%;height:auto;border:1px solid #e4eaf0;background:white}.card-body{padding:24px}.card-body p{font-size:14px;color:#60788a;margin:0 0 14px}.card-link{font-size:13px;color:var(--blue);font-weight:700}.steps{counter-reset:steps}.steps article{position:relative;padding:25px;border:1px solid var(--border);border-radius:8px;background:white}.step-number{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e7f2fd;color:var(--blue);font-weight:750;margin-bottom:20px}.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.benefits h3{font-size:17px}.benefits p{font-size:14px;color:#60788a}.page-heading{padding:48px 0 32px}.page-heading h1{font-size:40px}.page-heading p{max-width:750px;color:#60788a}.breadcrumb{font-size:13px;color:#60788a;margin-bottom:20px}.generator{display:grid;grid-template-columns:350px minmax(0,1fr);gap:28px;align-items:start}.controls{border:1px solid var(--border);border-radius:8px;padding:24px;background:white}.controls h2{font-size:20px}fieldset{border:0;padding:0;margin:0 0 25px;min-width:0}legend{font-size:13px;font-weight:750;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}label{display:block;font-size:13px;font-weight:600;margin-bottom:15px}input,select{display:block;width:100%;border:1px solid #becfdd;border-radius:5px;padding:9px;background:white;color:#233b52;margin-top:6px;min-width:0}input[type=color]{height:42px;padding:4px}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.actions{display:grid;gap:10px}.status{font-size:13px;color:#9b351c;margin:16px 0 0}.preview-panel{background:#edf3f8;border:1px solid var(--border);border-radius:8px;padding:24px}.preview-bar{display:flex;justify-content:space-between;gap:12px;font-size:12px;margin-bottom:20px;color:#526a7e}.paper-preview{max-width:440px;margin:auto;box-shadow:0 5px 22px #163a5a1a;line-height:0}.paper-preview svg{width:100%;height:auto;display:block}.preview-caption{font-size:12px;text-align:center;margin:20px 0 0;color:#526a7e}.notice{border-left:3px solid #3389cb;background:var(--pale);padding:18px 22px;margin:24px 0;font-size:14px}.prose{max-width:780px;margin-inline:auto;padding-bottom:60px}.prose h2{font-size:25px;margin-top:38px}.prose h3{font-size:18px;margin-top:25px}.prose li{margin-bottom:14px}.prose dt{font-weight:700;margin-top:15px}.prose dd{margin:5px 0 20px}.tool-info{margin-top:60px}.link-list{display:flex;gap:10px 24px;flex-wrap:wrap}.example-layout{display:grid;grid-template-columns:1fr 360px;gap:50px}.example-preview svg{width:100%;height:auto;border:1px solid var(--border)}.example-layout .prose{padding:0}.tag{display:inline-block;color:#56738a;background:#edf5fa;padding:3px 8px;border-radius:4px;font-size:11px;margin-bottom:13px}footer{background:#f3f7fa;border-top:1px solid var(--border);padding:40px 0 22px;color:#60788a;font-size:13px}.footer-top{display:flex;justify-content:space-between;gap:35px}.footer-top p{max-width:350px;margin-top:12px}.footer-links{display:flex;gap:16px 24px;flex-wrap:wrap;max-width:410px;align-content:start}.footer-bottom{border-top:1px solid var(--border);padding-top:18px;margin-top:22px;font-size:12px}#print-sheet{display:none}details{padding:14px 0;border-bottom:1px solid var(--border)}summary{font-weight:650;cursor:pointer}details p{margin-top:14px}.empty{padding:20px;border:1px solid var(--border)}
@media(max-width:900px){.hero-inner{gap:20px}.hero-art{transform:scale(.8);transform-origin:center}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.generator{grid-template-columns:300px minmax(0,1fr)}.example-layout{grid-template-columns:1fr 280px}.benefits{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.wrap{width:calc(100% - 32px)}.header-inner{align-items:start;flex-direction:column;padding-block:20px;gap:16px}nav{gap:23px}.brand{font-size:21px}.hero-inner{grid-template-columns:1fr;padding-block:40px;gap:0}.hero-art{height:310px;width:350px;margin:auto;max-width:100%;transform:scale(.85);transform-origin:top left}.hero h1{font-size:40px}.hero p{font-size:16px}.section{padding-block:42px}.section-heading{align-items:start;flex-direction:column}.grid,.generator,.example-layout{grid-template-columns:1fr}.card-art{height:145px}.card-body{padding:20px}.benefits{gap:20px}.page-heading{padding-top:30px}.page-heading h1{font-size:33px}.preview-panel{padding:16px}.footer-top{flex-direction:column}.example-preview{max-width:350px;margin:auto}.tool-info{margin-top:40px}}
@media print{html,body{margin:0!important;padding:0!important;border:0!important;background:white!important;min-width:0!important;min-height:0!important;overflow:hidden!important;zoom:1!important;transform:none!important}body>*:not(#print-sheet){display:none!important}#print-sheet{display:block!important;position:absolute!important;left:0!important;top:0!important;margin:0!important;padding:0!important;border:0!important;line-height:0!important;overflow:hidden!important;break-inside:avoid!important;break-before:auto!important;break-after:auto!important;box-shadow:none!important;print-color-adjust:exact;-webkit-print-color-adjust:exact}#print-sheet svg{display:block!important;width:100%!important;height:100%!important;max-width:none!important;max-height:none!important;break-inside:avoid!important}body[data-paper-valid="false"] #print-sheet{display:none!important}}

.remember-label{display:flex;align-items:center;gap:9px;font-weight:500}.remember-label input{width:auto;margin:0}.import-label{margin:8px 0}.import-label input{font-size:12px}.status{overflow-wrap:anywhere}
.task-groups{display:grid;gap:32px}.task-group{border:1px solid var(--border);border-radius:8px;padding:24px}.task-group .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.task-group h4{font-size:19px;margin:0 0 12px}.task-group>p{max-width:750px}.controls fieldset p{font-size:12px;color:#526a7e}.math-layout-controls{border-top:1px solid var(--border);padding-top:18px}[data-preset-state]{font-weight:650}#paper-types,#paper-tasks{scroll-margin-top:20px}@media(max-width:640px){.task-group{padding:16px}.task-group .grid{grid-template-columns:1fr}.hero-buttons .button{width:100%;text-align:center}}
.pack-workspace{padding-bottom:40px}.pack-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px;align-items:start}.pack-panel{min-width:0;margin:0 0 24px;border:1px solid var(--border);border-radius:8px;padding:22px;background:white}.pack-panel legend{padding:0 8px}.pack-panel p{font-size:13px;color:#526a7e}.pack-panel h2{font-size:24px}.pack-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.pack-toolbar button{padding:9px 13px}.pack-toolbar .import-label{margin:0;max-width:300px}.pack-items{padding-left:24px;margin:0}.pack-items>li{padding:16px 0;border-top:1px solid var(--border)}.pack-items strong{display:block}.pack-items input{max-width:100px}.pack-preview-panel{position:sticky;top:16px;background:#f5f9fc}.pack-detail{width:100%;max-width:430px;margin:0 auto 16px;line-height:0;box-shadow:0 4px 16px #12365815;background:white}.pack-detail>svg,.editor-preview>svg{display:block;width:100%;height:auto}.pack-thumbnails{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));max-height:245px;overflow:auto;gap:8px;padding:4px;margin:16px 0}.pack-thumb{padding:6px;background:white;color:var(--navy);border:1px solid var(--border);font-size:10px;overflow:hidden;min-width:0}.pack-thumb[aria-pressed=true]{outline:2px solid var(--blue)}.thumb-art{display:block;min-height:60px;line-height:0;background:#f1f5f9}.thumb-art>svg{display:block;width:100%;height:auto}.pack-thumb>span:last-child{display:block;margin-top:6px}.pack-thumb:hover{background:#eaf4fc;color:var(--navy)}#pack-print{display:none}dialog{width:min(760px,calc(100% - 32px));max-height:88vh;overflow:auto;border:1px solid var(--border);border-radius:10px;padding:24px;color:#233b52}dialog::backdrop{background:#12365877}#pack-editor-form>[data-editor-fields]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.editor-preview{max-width:270px;margin:16px auto;line-height:0;border:1px solid var(--border)}[data-pack-status]{font-weight:650;overflow-wrap:anywhere}[data-storage-status]{color:#9b351c!important}[hidden]{display:none!important}@media(max-width:800px){.pack-grid{grid-template-columns:1fr}.pack-preview-panel{position:static}.pack-toolbar{align-items:stretch}.pack-toolbar button{flex-grow:1}.pack-panel{padding:16px}#pack-editor-form>[data-editor-fields]{grid-template-columns:1fr}.pack-thumbnails{grid-template-columns:repeat(4,minmax(0,1fr))}}
.check-workspace{padding-bottom:40px}.check-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.check-columns>div{min-width:0}.check-preview-panel{background:#f5f9fc}.check-preview{width:100%;max-width:430px;margin:auto;background:white;line-height:0;box-shadow:0 4px 16px #12365815}.check-preview>svg{display:block;width:100%;height:auto}.check-workspace textarea{display:block;width:100%;min-width:0;max-width:100%;margin-top:6px;border:1px solid #becfdd;border-radius:5px;padding:9px;color:#233b52;font:inherit;resize:vertical}.check-field-error{display:block;color:#9b351c;font-size:12px;font-weight:500;margin-top:6px;min-height:1em}.check-workspace [aria-invalid=true]{border-color:#9b351c}.check-results [data-result-state]{font-size:18px;font-weight:700;color:#123658}.check-results [data-axis-results] p{font-size:15px;padding:10px;background:#eff7fd;overflow-wrap:anywhere}.check-results li{font-size:14px;margin-bottom:12px}.check-table-scroll{max-width:100%;overflow:auto}.check-table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}.check-table th,.check-table td{padding:12px;border-bottom:1px solid var(--border);vertical-align:top;overflow-wrap:anywhere}.check-table th{background:#eff7fd}.check-table td:first-child{white-space:nowrap}.check-table td:last-child{min-width:160px;max-width:260px}[data-check-status],[data-check-storage]{overflow-wrap:anywhere}[data-check-storage]{color:#9b351c!important}@media(max-width:800px){.check-columns{grid-template-columns:1fr}.check-columns .field-pair{grid-template-columns:1fr}}
.check-table{min-width:680px}