/* Shared design system — clean, neutral, one accent per site */
:root{
  --accent:#1d6fc5;--accent-ink:#fff;--accent-soft:#e5f2fc;--accent-line:#b9d8f5;
  --ink:#2c2c2b;--ink2:#6b6762;--bg:#fff;--surface:#f9f8f7;--surface2:#f0efed;--line:#e6e5e3;
  --ok:#2f7d57;--ok-soft:#e8f1ec;--warn:#9a5516;--warn-soft:#fbebde;--err:#c0392b;--err-soft:#fce9e7;
  --radius:8px;--radius-lg:12px;--wrap:1040px;--prose:720px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 4px 12px rgba(0,0,0,.04);
}
@media (prefers-color-scheme:dark){
  :root{--ink:#fff;--ink2:rgba(255,255,255,.68);--bg:#191919;--surface:#202020;--surface2:#2b2b2a;--line:rgba(255,255,255,.2);
    --accent:var(--accent-dark,#5e9fe8);--accent-ink:#101010;--accent-soft:rgba(94,159,232,.14);--accent-line:rgba(94,159,232,.4);
    --ok:#72bc8f;--ok-soft:rgba(114,188,143,.14);--warn:#de9255;--warn-soft:rgba(222,146,85,.14);--err:#e97366;--err-soft:rgba(233,115,102,.14);
    --shadow:0 1px 2px rgba(0,0,0,.4)}
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font:16px/1.55 var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:var(--radius);z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
@media (max-width:640px){.wrap{padding:0 16px}}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(1.75rem,1.2rem + 2.2vw,2.5rem);font-weight:750}
h2{font-size:1.5rem;font-weight:700;margin:2.2rem 0 .7rem}
h3{font-size:1.15rem;font-weight:650;margin:1.5rem 0 .5rem}
p{margin:0 0 1rem}
code,kbd,pre{font-family:var(--mono);font-size:.92em}
code{background:var(--surface2);padding:.1em .35em;border-radius:4px}
pre{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;overflow:auto;margin:0 0 1rem;line-height:1.5}
pre code{background:none;padding:0}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}
th{background:var(--surface);font-weight:650}
@media (max-width:640px){th,td{padding:8px 8px}}
.table-wrap{overflow-x:auto;margin:0 0 1.2rem;border-radius:var(--radius)}
ul,ol{padding-left:1.4rem;margin:0 0 1rem}
li{margin:.25rem 0}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}

/* header / footer */
.site-header{border-bottom:1px solid var(--line);background:var(--bg)}
.site-header .wrap{display:flex;align-items:center;gap:16px;min-height:60px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:750;font-size:1.15rem;letter-spacing:-.01em;padding:8px 0}
.brand svg{width:30px;height:30px;flex:none}
.nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:10px 12px;border-radius:var(--radius);text-decoration:none;color:var(--ink2);font-weight:550;font-size:.96rem;min-height:44px;display:inline-flex;align-items:center}
.nav a:hover,.nav a[aria-current=page]{background:var(--surface2);color:var(--ink)}
.site-header .menu-btn{display:none;margin-left:auto}
@media (max-width:720px){
  .site-header .menu-btn{display:inline-flex}
  .nav{display:none;width:100%;margin-left:0;flex-direction:column;padding-bottom:10px}
  .nav.open{display:flex}
}
.site-footer{margin-top:64px;border-top:1px solid var(--line);background:var(--surface);padding:40px 0 28px;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
@media (max-width:720px){.foot-grid{grid-template-columns:1fr;gap:24px}}
.site-footer h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink2);margin:0 0 10px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:0}
.site-footer li a{display:inline-block;padding:5px 0;color:var(--ink);text-decoration:none}
.site-footer li a:hover{color:var(--accent);text-decoration:underline}
.site-footer .fine{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--ink2);font-size:.88rem}
.crumbs{font-size:.9rem;color:var(--ink2);margin:20px 0 14px}
.crumbs a{color:var(--ink2)}
.crumbs span[aria-hidden]{margin:0 6px}

/* page heads */
.page-head{padding:8px 0 20px}
.lead{font-size:1.1rem;color:var(--ink2);max-width:var(--prose);margin:.7rem 0 0}
.hero{padding-top:44px;padding-bottom:28px}
.hero .lead{font-size:1.2rem}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:18px 0 0;color:var(--ink2);font-size:.95rem}
.hero-points li{display:flex;align-items:center;gap:7px;margin:0}
.hero-points li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.search{margin:22px 0 0;max-width:460px}

/* cards */
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.tool{padding:24px;margin:0 0 8px}
@media (max-width:640px){.tool{padding:16px}}
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.cards li{margin:0}
.tool-card{display:flex;flex-direction:column;gap:6px;height:100%;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-lg);text-decoration:none;color:var(--ink);background:var(--bg);transition:border-color .15s,box-shadow .15s}
.tool-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.tool-card strong{font-size:1.02rem;display:flex;align-items:center;gap:8px}
.tool-card strong svg{width:20px;height:20px;color:var(--accent);flex:none}
.tool-card span{color:var(--ink2);font-size:.92rem}
.cat-title{display:flex;align-items:baseline;gap:10px;margin:2.4rem 0 .9rem}
.cat-title h2{margin:0}
.cat-title p{margin:0;color:var(--ink2)}

/* prose */
.prose{max-width:var(--prose)}
.prose h2{margin-top:2.4rem}
.prose img{border-radius:var(--radius)}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:2px 0 2px 44px;margin:.9rem 0;min-height:30px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;display:flex;align-items:center;justify-content:center;border:1px solid var(--accent-line)}
.faq details{border:1px solid var(--line);border-radius:var(--radius);margin:0 0 10px;background:var(--bg)}
.faq summary{cursor:pointer;padding:14px 16px;font-weight:620;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;min-height:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--ink2);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 16px 6px;color:var(--ink)}
.related h2{margin-top:2.6rem}

/* form controls */
label,.lbl{display:block;font-weight:600;font-size:.92rem;margin:0 0 6px}
input[type=text],input[type=number],input[type=search],input[type=email],input[type=url],select,textarea{
  width:100%;min-height:44px;padding:9px 12px;border:1px solid var(--line);border-radius:var(--radius);font:inherit;background:var(--bg);color:var(--ink)}
input[type=color]{min-height:44px;width:64px;padding:3px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg)}
input[type=range]{width:100%;min-height:32px;accent-color:var(--accent)}
input[type=checkbox],input[type=radio]{width:18px;height:18px;accent-color:var(--accent);vertical-align:-3px;margin:0 6px 0 0}
textarea{resize:vertical;min-height:140px;font-family:var(--mono);font-size:.92rem;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:3px solid var(--accent-line);border-color:var(--accent)}
.row{display:flex;flex-wrap:wrap;gap:14px;margin:0 0 14px;align-items:flex-end}
.row>.field{flex:1 1 180px;min-width:0}
.field.narrow{flex:0 1 160px}
@media (max-width:640px){.field.narrow{flex:1 1 150px}.hide-sm{display:none}}
.check{display:flex;align-items:center;font-weight:500;min-height:36px;cursor:pointer}
.check input{flex:none}
.hint{color:var(--ink2);font-size:.88rem;margin:4px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--radius);border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:650;cursor:pointer;text-decoration:none;line-height:1.1}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn[aria-disabled=true]{opacity:.45;cursor:not-allowed;filter:none;transform:none}
.btn.ghost{background:var(--bg);color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);filter:none}
.btn.sm{min-height:36px;padding:0 12px;font-size:.92rem}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 0}
.link{background:none;border:0;padding:0;font:inherit;color:var(--accent);text-decoration:underline;cursor:pointer}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;min-height:132px;padding:20px;border:2px dashed var(--accent-line);border-radius:var(--radius-lg);background:var(--accent-soft);cursor:pointer;transition:background .15s,border-color .15s;margin:0 0 16px}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--surface2)}
.drop strong{font-size:1.05rem}
.drop small{color:var(--ink2)}
.drop svg{width:30px;height:30px;color:var(--accent)}
.files{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:8px}
.files li{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 12px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin:0}
.files .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;min-width:0;max-width:100%}
.files .meta{color:var(--ink2);font-size:.88rem;flex:0 1 auto;min-width:0;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice{padding:11px 14px;border-radius:var(--radius);border:1px solid var(--accent-line);background:var(--accent-soft);margin:0 0 14px;font-size:.95rem}
.notice.ok{border-color:var(--ok);background:var(--ok-soft)}
.notice.warn{border-color:var(--warn);background:var(--warn-soft)}
.notice.err{border-color:var(--err);background:var(--err-soft)}
.notice:empty{display:none}
.out{margin-top:18px}
.out textarea,.out pre{max-height:420px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--surface2);font-size:.88rem;font-weight:600}
.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.err{background:var(--err-soft);color:var(--err)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg)}
.seg button{border:0;background:none;padding:0 14px;min-height:42px;font:inherit;font-weight:600;color:var(--ink2);cursor:pointer}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:760px){.grid2{grid-template-columns:1fr}}
.preview{border:1px solid var(--line);border-radius:var(--radius);background:repeating-conic-gradient(var(--surface2) 0% 25%,var(--bg) 0% 50%) 50%/16px 16px;display:flex;align-items:center;justify-content:center;overflow:auto;padding:10px;max-width:100%}
.preview canvas,.preview img{max-width:100%;height:auto}
.stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:0 0 14px}
.stat div{border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;background:var(--surface)}
.stat b{display:block;font-size:1.25rem;line-height:1.2}
.stat span{color:var(--ink2);font-size:.85rem}
#toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:50;max-width:calc(100vw - 32px)}
.toast{background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:var(--radius);box-shadow:0 6px 20px rgba(0,0,0,.25);font-size:.95rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--ink2)}
.center{text-align:center}
.mt0{margin-top:0}
.ad-slot{margin:22px 0;min-height:0;text-align:center;overflow:hidden}
.ad-slot::before{content:"Advertisement";display:block;font-size:.72rem;color:var(--ink2);letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
@media print{.site-header,.site-footer,.crumbs,.no-print,#toasts,.ad-slot{display:none!important}body{background:#fff;color:#000}.card{box-shadow:none;border:0}}

:root{--accent:#0e7a5f;--accent-soft:#e9f3f1;--accent-line:#b7d7cf;--accent-dark:#4a9b87}
@media (prefers-color-scheme:dark){:root{--accent:#4a9b87;--accent-soft:rgba(74,155,135,.14);--accent-line:rgba(74,155,135,.42)}}

/* PhotoSizeMaker extras */
.results{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:8px}
.res{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin:0;flex-wrap:wrap;position:relative}
.res .thumb{width:56px;height:56px;border-radius:6px;object-fit:cover;background:var(--surface2);flex:none;display:flex;align-items:center;justify-content:center;color:var(--ink2);font-weight:700;font-size:.8rem}
.res .grow{flex:1 1 180px;min-width:0;display:flex;flex-direction:column;gap:2px}
.res .name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.res .meta{color:var(--ink2);font-size:.9rem}
.res .note{font-size:.88rem}
.res.ok{border-color:var(--ok)}.res.warn{border-color:var(--warn)}.res.err{border-color:var(--err);background:var(--err-soft)}.res.err .note{color:var(--err)}
.res .x{border:0;background:none;color:var(--ink2);font-size:1.4rem;line-height:1;width:36px;height:36px;border-radius:var(--radius);cursor:pointer;flex:none}
.res .x:hover{background:var(--surface2);color:var(--ink)}
.stage-wrap{margin:0 0 14px}
.stage{position:relative;display:inline-block;max-width:100%;line-height:0;user-select:none;-webkit-user-select:none;touch-action:none;overflow:hidden;border-radius:var(--radius);background:repeating-conic-gradient(var(--surface2) 0% 25%,var(--bg) 0% 50%) 50%/16px 16px;border:1px solid var(--line)}
.stage canvas{display:block;max-width:100%;height:auto}
.cbox{position:absolute;box-shadow:0 0 0 9999px rgba(0,0,0,.52);border:2px solid #fff;outline:1px solid rgba(0,0,0,.45);cursor:move;touch-action:none}
.cbox .hd{position:absolute;width:22px;height:22px;background:#fff;border:2px solid var(--accent);border-radius:50%;margin:-11px 0 0 -11px;touch-action:none}
.cbox .hd::after{content:"";position:absolute;inset:-10px}
.cbox .grid{position:absolute;inset:0;pointer-events:none;background:linear-gradient(to right,transparent 33.2%,rgba(255,255,255,.45) 33.3%,transparent 33.5%,transparent 66.4%,rgba(255,255,255,.45) 66.6%,transparent 66.8%),linear-gradient(to bottom,transparent 33.2%,rgba(255,255,255,.45) 33.3%,transparent 33.5%,transparent 66.4%,rgba(255,255,255,.45) 66.6%,transparent 66.8%)}
.cbox .oval{position:absolute;left:50%;transform:translateX(-50%);border:2px dashed rgba(255,255,255,.95);border-radius:50%;pointer-events:none;box-shadow:0 0 0 1px rgba(0,0,0,.35)}
.cbox .hl{position:absolute;left:0;right:0;height:0;border-top:1px dashed #ffd24a;pointer-events:none}
.cbox .hl b{position:absolute;right:4px;top:-18px;font:600 11px/1 var(--font);color:#ffd24a;text-shadow:0 0 3px #000}
.prev{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start;margin:0 0 14px}
.prev .preview{flex:0 1 auto}
.checks{list-style:none;padding:0;margin:0 0 12px;font-size:.93rem}
.checks li{display:flex;gap:8px;align-items:flex-start;margin:4px 0}
.checks li::before{content:"✓";color:var(--ok);font-weight:800;flex:none}
.checks li.bad::before{content:"✕";color:var(--err)}
.checks li.warn::before{content:"!";color:var(--warn)}
.sheet-prev canvas{max-width:100%;height:auto;border:1px solid var(--line);background:#fff}
.b64{width:100%;min-height:96px;max-height:180px;font-size:.8rem;word-break:break-all}
.tools-inline{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.spec-table td:first-child{white-space:nowrap}
@media (max-width:640px){.spec-table td:first-child{white-space:normal}}
.res .det{flex:1 1 100%;font-size:.9rem;border-top:1px solid var(--line);padding-top:8px}
.res .det summary{cursor:pointer;font-weight:600;min-height:32px;display:flex;align-items:center}
.res .det table{margin-top:6px;font-size:.88rem}
details.box{border:1px solid var(--line);border-radius:var(--radius);padding:0 14px 14px;margin:18px 0 0;background:var(--bg)}
details.box>summary{cursor:pointer;font-weight:650;min-height:48px;display:flex;align-items:center}
.out h3.mt0{margin-top:0}
.row{align-items:flex-start}
.btn-row+#msg:not(:empty){margin-top:12px}
.row>.field.end{align-self:flex-end}
.res .acts{display:flex;align-items:center;gap:8px;margin-left:auto;flex:none}