:root{--ink:#1a2342;--muted:#63708e;--blue:#407af6;--violet:#8b55ee;--stroke:#e2e7f4;--mint:#e2fbf5;--bg:#f7faff;--card:#fff;--soft:#f1f4ff;--shadow:0 18px 55px rgba(41,62,121,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.55}a{color:#365ede}button,select,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #f2a24d;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.35rem,4.5vw,4.2rem);letter-spacing:-.055em;line-height:1.06;margin-bottom:18px}h2{font-size:clamp(1.45rem,2.1vw,2rem);letter-spacing:-.03em;line-height:1.2}h3{font-size:1.1rem}p{color:#4f5c79}a{text-underline-offset:3px}.site-shell{max-width:1240px;padding:0 24px;margin:auto}.skip{position:absolute;left:10px;top:-55px;background:#fff;padding:10px;z-index:999}.skip:focus{top:10px}.site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--stroke)}.header-inner{display:flex;align-items:center;gap:26px;min-height:77px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#181e3e;font-size:1.42rem;font-weight:800;letter-spacing:-.04em;white-space:nowrap}.logo{display:grid;place-items:center;background:linear-gradient(140deg,#5156ec,#9869ff);color:white;border-radius:12px;width:40px;height:40px;box-shadow:0 7px 15px #655af237;font-size:25px;font-weight:700}.brand strong{color:#6156e8}.nav{display:flex;gap:23px;align-items:center;margin-left:auto}.nav a{font-size:.9rem;color:#394463;text-decoration:none;font-weight:650}.nav a:hover,.nav a[aria-current=page]{color:#6156e8}.header-action{font-size:.88rem;text-decoration:none;color:white;font-weight:750;background:linear-gradient(100deg,#348bff,#8955ef);padding:12px 19px;border-radius:13px;white-space:nowrap}.menu-toggle{display:none;border:1px solid var(--stroke);background:white;border-radius:10px;padding:8px 13px;margin-left:auto}.hero{position:relative;overflow:hidden;padding:58px 0 24px}.hero::before{content:'';position:absolute;top:-190px;right:-130px;width:650px;height:550px;border-radius:50%;background:radial-gradient(ellipse,#e4eaff 0%,#eefdff 44%,transparent 72%);z-index:-1}.hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;min-height:330px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;letter-spacing:.095em;font-weight:800;text-transform:uppercase;color:#5951d6;background:#edeaff;border-radius:50px;padding:7px 13px;margin-bottom:20px}.hero p{font-size:1.07rem;line-height:1.75;max-width:560px;margin-bottom:24px}.gradient{background:linear-gradient(98deg,#3285ff,#8c4feb);background-clip:text;-webkit-background-clip:text;color:transparent}.hero-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.btn{appearance:none;display:inline-flex;gap:9px;align-items:center;justify-content:center;border:1px solid #d6def2;border-radius:12px;background:white;color:#253254;font-weight:750;padding:13px 17px;text-decoration:none;white-space:normal;text-align:center;font-size:.91rem;transition:transform .15s,box-shadow .15s}.btn:hover{transform:translateY(-1px);box-shadow:0 7px 18px #344c8225}.btn.primary{border-color:transparent;background:linear-gradient(105deg,#288ffe,#8f4deb);color:#fff;box-shadow:0 7px 20px #5b75fd2e}.btn.soft{background:#f2f4ff;color:#5957d1;border-color:#e6e5ff}.btn.small{padding:9px 12px;font-size:.83rem}.hero-art{background:white;border:1px solid #ecedfc;border-radius:30px;box-shadow:0 20px 70px #516ac124;padding:18px;transform:rotate(1.8deg);position:relative;max-width:460px;margin-left:auto}.hero-art:before{content:'';position:absolute;z-index:-1;width:85px;height:85px;background:#e5dafa;border-radius:25px;transform:rotate(20deg);left:-20px;top:-20px}.hero-art .art-title{display:flex;justify-content:space-between;align-items:center;color:#8c91a7;font-size:.77rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero-art svg{width:100%;height:auto;max-height:300px;margin:10px auto;display:block}.art-pill{background:#e3faf3;color:#158c67;border-radius:40px;padding:5px 10px;font-size:.7rem}.hero-art .art-bottom{display:flex;gap:8px;color:#68729a;font-size:.76rem;justify-content:center}.dot{color:#7361e7}.tool-section{padding:22px 0 34px;scroll-margin-top:96px}.tool-header{display:flex;justify-content:space-between;align-items:end;margin-bottom:15px;gap:14px}.tool-header h2{margin:0}.tool-header p{margin:5px 0 0;font-size:.87rem}.tool-grid{display:grid;grid-template-columns:minmax(275px,.76fr) minmax(350px,1.24fr);gap:20px;align-items:start}.panel{border:1px solid var(--stroke);background:white;border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.panel-head{padding:17px 21px;border-bottom:1px solid var(--stroke);display:flex;justify-content:space-between;align-items:center;gap:8px}.panel-head h3{font-size:1rem;margin:0}.panel-pad{padding:21px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.control{display:flex;flex-direction:column;gap:7px;margin-bottom:15px}.control label{font-size:.83rem;font-weight:750;color:#384662}.control select,.control input[type=text],.control input[type=number]{width:100%;min-width:0;height:45px;border:1px solid #d9e0f0;border-radius:10px;background:#fff;padding:0 11px;color:#273552}.control .hint{font-size:.74rem;color:var(--muted)}.control 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svg{display:block;max-width:100%;max-height:510px;width:auto;height:auto;touch-action:manipulation;cursor:crosshair}.preview-sub{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:.75rem;color:#687693;margin:11px 0 15px;flex-wrap:wrap}.preview-sub button{padding:0;background:transparent;border:0;color:#685ce3;text-decoration:underline;font-weight:700}.preview-actions{display:flex;flex-wrap:wrap;gap:8px}.preview-actions .btn{flex:1}.preview-actions.secondary-actions{margin-top:8px}.status{min-height:26px;margin-top:10px;font-size:.82rem;color:#23765d}.status[data-error=true]{color:#c63d56}.tool-note{padding:15px 20px;border-top:1px solid var(--stroke);background:#fafbff;color:#65728e;font-size:.78rem}.book-summary{padding:11px 13px;margin:7px 0 14px;border-radius:10px;background:#e8f9f4;color:#207d5f;font-size:.81rem}.benefits{padding:38px 0}.benefit-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.benefit{background:#fff;border:1px solid #e8ebf6;padding:22px;border-radius:18px}.benefit .benefit-icon{font-size:1.35rem;background:var(--soft);display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;margin-bottom:12px}.benefit h3{margin:0 0 6px;font-size:.95rem}.benefit p{font-size:.84rem;margin:0}.content{padding:35px 0}.content-layout{display:grid;grid-template-columns:minmax(0,760px) 1fr;gap:40px;align-items:start}.article{font-size:.97rem}.article h2{margin:32px 0 12px}.article h3{margin:23px 0 8px}.article p{line-height:1.77;margin-bottom:15px}.article ul,.article ol{color:#4f5c79;padding-left:23px;line-height:1.8}.article table{border-collapse:collapse;width:100%;font-size:.87rem;margin:15px 0}.article th,.article td{border:1px solid #e1e6f2;text-align:left;padding:10px}.article th{background:#f2f5ff}.article details{border-bottom:1px solid #e1e7f2;padding:12px 0}.article summary{cursor:pointer;font-weight:750;color:#2c395b}.article details p{font-size:.88rem;margin:9px 0}.aside-box{background:white;border:1px solid var(--stroke);border-radius:18px;padding:21px}.aside-box h3{margin:0 0 13px}.aside-box a{display:block;padding:10px 0;border-bottom:1px solid #eef1f9;color:#4a53ba;font-size:.9rem;font-weight:650;text-decoration:none}.aside-box a:last-child{border:0}.site-footer{margin-top:48px;background:#f0f3fb;border-top:1px solid var(--stroke);padding:32px 0}.footer-inner{display:flex;gap:20px;justify-content:space-between;align-items:center;flex-wrap:wrap;font-size:.84rem;color:#6e7995}.footer-inner a{color:#515f85;margin-left:17px;text-decoration:none}.breadcrumbs{font-size:.75rem;color:#6a7692;margin-bottom:18px}.breadcrumbs a{color:#6156db}.catalog-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;padding:12px 0 20px}.catalog-card{background:#fff;border:1px solid var(--stroke);border-radius:18px;text-decoration:none;color:var(--ink);padding:20px;box-shadow:0 8px 24px #5366a012}.catalog-card:hover{border-color:#8b81ee;transform:translateY(-2px)}.catalog-card .shape-icon{font-size:1.55rem;display:block;margin-bottom:11px}.catalog-card strong{display:block}.catalog-card span{font-size:.82rem;color:var(--muted)}#print-area{display:none}.printed-page{page-break-after:always;break-after:page}#maze-svg svg{width:100%;height:auto}.tag{font-size:.72rem;color:#4e5fd2;background:#ebedff;padding:5px 8px;border-radius:99px;font-weight:800}.sr-only{position:absolute!important;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}
@media(max-width:960px){.site-shell{padding:0 18px}.hero-layout{grid-template-columns:1fr .85fr;gap:15px}.tool-grid{grid-template-columns:minmax(240px,.87fr) minmax(320px,1.13fr)}.nav{gap:12px}.content-layout{grid-template-columns:1fr}.aside-box{max-width:720px}.benefit-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.header-inner{min-height:67px;gap:10px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:67px;left:0;right:0;background:white;padding:18px 24px;border-bottom:1px solid var(--stroke);flex-direction:column;align-items:stretch;gap:14px}.nav.open{display:flex}.header-action{display:none}.brand{font-size:1.21rem}.logo{width:34px;height:34px;font-size:22px}.hero{padding:30px 0 8px}.hero-layout{display:block;min-height:auto}.hero h1{font-size:clamp(2.15rem,8.6vw,3.1rem)}.hero p{font-size:.94rem}.hero-art{display:none}.tool-section{padding-top:15px}.tool-grid{grid-template-columns:1fr;gap:13px}.tool-header{align-items:start}.panel-pad{padding:16px}.panel-head{padding:15px}.preview-body{padding:12px}.preview-canvas{min-height:210px}.preview-canvas svg{max-height:370px}.form-grid{grid-template-columns:1fr 1fr;gap:9px}.benefit-row{grid-template-columns:repeat(2,1fr);gap:10px}.benefit{padding:14px}.catalog-cards{grid-template-columns:repeat(2,1fr);gap:10px}.catalog-card{padding:15px}.content{padding-top:10px}.footer-inner a{margin-left:10px}}
@media(max-width:385px){.site-shell{padding:0 12px}.brand{font-size:1.13rem}.form-grid{grid-template-columns:1fr}.preview-actions .btn{font-size:.76rem;padding:10px 9px}.btn{font-size:.84rem}.benefit-row{grid-template-columns:1fr 1fr}.catalog-cards{grid-template-columns:1fr}}
@media print{@page{margin:12mm}body>*:not(#print-area){display:none!important}#print-area{display:block!important;margin:0!important;padding:0!important}.printed-page{display:block!important;min-height:245mm;text-align:center;page-break-after:always;break-after:page;color:#111}.printed-heading h1{font-size:24pt;line-height:1.1;letter-spacing:normal;margin:0 0 6mm}.printed-heading p{font-size:11pt;color:#222}.name-line{text-align:left;margin-top:7mm;font-size:10pt}.printed-maze{margin:12mm auto 8mm;max-width:175mm;max-height:175mm}.printed-maze svg{width:100%;max-height:170mm;height:auto;display:block;margin:auto}.printed-page small{display:block;font-size:8pt;color:#444}}

/* v2: accessible anchor offsets beneath sticky navigation */
#main,#guide,#create,[id]:target{scroll-margin-top:100px}
@media(max-width:720px){#main,#guide,#create,[id]:target{scroll-margin-top:78px}}

/* v2: accessible anchor offsets beneath sticky navigation */
#main,#guide,#create,[id]:target{scroll-margin-top:100px}
@media(max-width:720px){#main,#guide,#create,[id]:target{scroll-margin-top:78px}}

/* MazeGen.org brand update */
.brand .logo{display:block;background:none;box-shadow:none;width:40px;height:40px;border-radius:0;flex:none}
.brand .logo img{display:block;width:40px;height:40px}
.brand .brand-suffix{font-size:.62em;letter-spacing:-.01em;color:#6D7895;margin-left:-9px;align-self:baseline}
@media(max-width:400px){.brand{font-size:1.18rem}.brand .brand-suffix{font-size:.54em}.brand .logo,.brand .logo img{width:34px;height:34px}}

.brand .brand-text{display:inline-block;white-space:nowrap;line-height:1}.brand .brand-text small{font-size:.52em;color:#7582A0;font-weight:700;letter-spacing:0;margin-left:1px}.brand .logo{margin-right:0}

/* V4: unobtrusive save and reproduce controls; no distracting seed field in basic form */
.save-maze{margin:0 0 13px}.save-trigger{border:1px solid #d1d9f4;background:#f4f6ff;color:#4c52ac}.save-maze-panel{border:1px solid #dfe5fa;background:linear-gradient(145deg,#fbfcff,#f1f6ff);border-radius:15px;padding:14px;margin-top:10px}.save-maze-panel[hidden]{display:none!important}.save-maze-panel strong{display:block;color:#273357;font-size:.89rem}.save-maze-panel p{font-size:.79rem;line-height:1.55;margin:6px 0 11px;color:#62708e}.share-row{display:flex;gap:8px;min-width:0}.share-row input{min-width:0;flex:1;border:1px solid #d9e0f0;border-radius:10px;background:white;padding:0 10px;height:42px;font-size:.76rem;color:#273552}.share-row .btn{flex:0 0 auto}.seed-help{margin-top:11px;border-top:1px solid #dfe5f5;padding-top:10px;font-size:.79rem}.seed-help summary{font-weight:750;color:#554fc2;cursor:pointer}.seed-help code{background:white;padding:3px 5px;border-radius:4px;overflow-wrap:anywhere}.restore-box{border:1px solid #e1e6f4;background:#f8faff;border-radius:12px;padding:12px}.restore-box .control{margin-bottom:7px}.restore-box .hint{color:#62718f;font-size:.75rem}.restore-box .btn{margin-top:8px}@media(max-width:520px){.share-row{flex-direction:column}.share-row .btn{width:100%}.save-trigger{min-height:43px}}