:root{--p:#1f5b73;--s:#68d5df;--bg:#f4f7fa;--card:#fff;--ink:#17212b;--muted:#667482;--line:#dbe3e9}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}
header{background:linear-gradient(135deg,#183b54,#2d6d82);color:#fff;padding:26px 32px}
header h1{margin:0 0 6px;font-size:28px}
header p{margin:0;opacity:.85}
.ribbon{background:#0f2e42;color:#dcebf1;display:flex;gap:28px;flex-wrap:wrap;padding:12px 32px;font-size:12.5px}
.ribbon span{display:flex;align-items:center;gap:7px;opacity:.9}
.wrap{max-width:1420px;margin:22px auto;padding:0 20px;display:grid;grid-template-columns:440px 1fr;gap:22px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 8px 28px #1b2b3a0d}
h2{font-size:17px;margin:0 0 15px}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.sec-head h2{margin:0 0 15px}
.section{padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
label{display:block;font-weight:650;font-size:13px;margin:12px 0 6px}
input,select{width:100%;padding:10px 11px;border:1px solid #cbd5dc;border-radius:9px;font-size:14px;background:#fff;font-family:inherit}
input:focus,select:focus{outline:2px solid #1f5b7355;border-color:var(--p)}
input.invalid{border-color:#d94848;background:#fff5f5}
/* Anillo de foco para teclado en todo control que no sea un input. */
button:focus-visible,.tpl:focus-visible,.logo-drop:focus-visible{outline:2px solid var(--p);outline-offset:2px}
.field-error{display:none;margin:6px 0 0;font-size:12.5px;font-weight:650;color:#b3261e}
.field-error.show{display:block}
.colors{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.colorbox{display:flex;gap:8px;align-items:center}
input[type=color]{padding:3px;height:42px;cursor:pointer}
.logo-drop{border:2px dashed #c8d3da;border-radius:12px;padding:18px;text-align:center;color:var(--muted);cursor:pointer}
.logo-drop.drag{border-color:var(--p);background:#f0f7fa}
.logo-drop .icon{font-size:22px}
.logo-stage{display:none;margin-top:10px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.logo-stage.show{display:block}
.logo-canvas{padding:14px;display:flex;align-items:center;justify-content:center;min-height:78px;background:#fff}
.logo-canvas.dark{background:#20364a}
.logo-canvas img{max-width:200px;max-height:62px;object-fit:contain}
.logo-bar{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:9px 10px;border-top:1px solid var(--line);background:#f7f9fb}
.logo-bar .cap{font-size:11.5px;font-weight:700;color:var(--muted);margin-right:2px}
.chip{border:1px solid #cbd5dc;background:#fff;border-radius:20px;padding:5px 10px;font-size:11.5px;font-weight:650;cursor:pointer;color:#3a4b5c}
.chip.on{background:var(--p);border-color:var(--p);color:#fff}
.chip.sw{display:flex;align-items:center;gap:6px}
.chip .dot{width:11px;height:11px;border-radius:50%;border:1px solid #0002}
#logoColor{width:34px;height:28px;padding:2px;border-radius:7px;display:none}
#logoColor.show{display:block}
.linkbtn{background:none;border:0;color:var(--p);font-weight:700;font-size:11.5px;cursor:pointer;padding:5px 6px;min-height:24px}
.linkbtn.danger{color:#c23}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:8px}
/* min-height 28px: la label entera es el area clicable, por encima de los 24px de WCAG 2.2. */
.checks label{font-weight:500;margin:0;display:flex;gap:9px;align-items:center;min-height:28px;cursor:pointer}
.checks input{width:18px;height:18px;flex:0 0 auto;cursor:pointer}
.sublink{margin-top:8px;padding-top:8px;border-top:1px dashed var(--line)}
.templates{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.tpl{border:2px solid transparent;border-radius:11px;padding:9px;background:#f7f9fb;cursor:pointer;display:block;width:100%;text-align:left;font:inherit;color:inherit}
.tpl.selected{border-color:var(--p);background:#eef7fa}
.tpl-head{display:flex;justify-content:space-between;align-items:baseline;gap:6px;margin-bottom:5px}
.tpl b{font-size:12.5px}
.tpl .sz{font-size:10px;color:var(--muted);white-space:nowrap}
.tpl .desc{font-size:10.5px;color:var(--muted);margin:0 0 6px}
.mini{height:58px;background:#fff;border-radius:7px;padding:7px;overflow:hidden;position:relative;border:1px solid #e7edf1;display:flex;gap:6px;align-items:center}
.mini .mlogo{width:26px;height:26px;border-radius:5px;background:var(--p);flex:0 0 auto}
.mini .mlines{flex:1}
.mini .ml{height:4px;border-radius:2px;background:#d8e1e7;margin-bottom:4px}
.mini .ml.b{background:var(--p);width:65%;height:5px}
.mini .mdots{display:flex;gap:3px;margin-top:5px}
.mini .mdots i{width:8px;height:8px;border-radius:2.5px;display:block}
.actions{display:flex;gap:9px;flex-wrap:wrap}
.btn{border:0;border-radius:10px;padding:11px 14px;font-weight:700;cursor:pointer;font-size:13.5px}
.btn.primary{background:var(--p);color:#fff}
.btn.secondary{background:#eaf1f5;color:#183b54}
.btn.ghost{background:transparent;color:var(--p);border:1px solid var(--p)}
.btn.small{padding:8px 11px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.preset-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.preview-wrap{position:sticky;top:15px;align-self:start}
.preview-area{background:#e9edf0;border-radius:14px;padding:35px;min-height:410px;display:flex;align-items:center;justify-content:center;overflow:auto}
.sig-shell{background:#fff;max-width:720px;width:100%;padding:24px;box-shadow:0 4px 18px #00000012;border-radius:8px}
.note{font-size:12px;color:var(--muted);line-height:1.5}
.tip{font-size:12.5px;color:#8a5a12;background:#fff6e5;border:1px solid #f2dcae;border-radius:9px;padding:9px 11px;margin-top:11px;display:none}
.tip.show{display:block}
.pill{display:inline-block;background:#eef4f7;border-radius:20px;padding:5px 8px;margin:2px;font-size:11px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:#183b54;color:#fff;padding:11px 18px;border-radius:10px;font-size:13.5px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 8px 24px #0004;z-index:50;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.howto{margin-top:14px;font-size:12.5px;line-height:1.6;color:var(--muted)}
.howto b{color:var(--ink)}
@media(max-width:1050px){.wrap{grid-template-columns:1fr}.preview-wrap{position:static}}
@media(max-width:600px){.templates{grid-template-columns:1fr}.ribbon{display:none}}