:root{
  --bg:#fafafa;--card:#fff;--text:#18181b;--muted:#71717a;--border:#e4e4e7;
  --primary:#6d28d9;--primary-soft:#f3effe;--radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Segoe UI Symbol","Noto Sans Symbols","Noto Sans Math",sans-serif;background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
.wrap.wide{max-width:1280px}
svg.lucide{width:18px;height:18px;stroke-width:2}

.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}
.brand img{border-radius:8px}
.nav{display:flex;gap:22px;font-size:14px;color:var(--muted)}
.nav a:hover{color:var(--text)}

.hero{text-align:center;padding:48px 20px 28px}
.hero h1{font-size:clamp(30px,5vw,46px);letter-spacing:-.02em;line-height:1.1;margin-bottom:14px}
.lead{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto}
.lead strong{color:var(--primary)}

.composer{position:sticky;top:60px;z-index:10;background:var(--bg);padding:12px 0 10px}
.input-wrap{position:relative;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);transition:border-color .15s}
.input-wrap:focus-within{border-color:var(--primary)}
.input-icon{position:absolute;left:16px;top:18px;color:var(--muted)}
textarea{width:100%;border:0;outline:0;background:transparent;resize:none;font:inherit;font-size:18px;padding:14px 48px 14px 46px;color:var(--text);display:block}
.icon-btn{position:absolute;right:10px;top:10px;width:34px;height:34px;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center}
.icon-btn:hover{background:#f4f4f5;color:var(--text)}

.toolbar{display:flex;gap:10px;margin-top:12px;align-items:center;flex-wrap:wrap}
.chips{display:flex;gap:6px;overflow-x:auto;flex:1;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;border:1px solid var(--border);background:var(--card);color:var(--text);padding:7px 14px;border-radius:999px;font:inherit;font-size:14px;cursor:pointer;transition:all .15s}
.chip svg.lucide{width:14px;height:14px}
.chip:hover{border-color:#c4b5fd}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.search{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:0 14px;height:36px;width:200px;color:var(--muted)}
.search svg.lucide{width:16px;height:16px}
.search input{border:0;outline:0;font:inherit;font-size:14px;width:100%;background:transparent;color:var(--text)}
.meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-top:10px}
.meta-right{display:flex;align-items:center;gap:14px}
.view-toggle{display:flex;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:2px}
.vt{width:32px;height:28px;border:0;background:transparent;border-radius:8px;color:var(--muted);cursor:pointer;display:grid;place-items:center}
.vt svg.lucide{width:16px;height:16px}
.vt:hover{color:var(--text)}
.vt.active{background:var(--primary-soft);color:var(--primary)}
.hint{display:flex;align-items:center;gap:6px}
.hint svg.lucide{width:14px;height:14px}

.list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.row{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 12px 12px 16px;cursor:pointer;transition:border-color .15s,background .15s}
.row:hover{border-color:#c4b5fd}
.row.copied{border-color:var(--primary);background:var(--primary-soft)}
.row-body{flex:1;min-width:0}
.row-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:2px}
.row-text{font-size:20px;word-break:break-word;line-height:1.4}
.row-actions{display:flex;gap:4px;flex-shrink:0}
.act{width:36px;height:36px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center}
.act:hover{background:#f4f4f5;color:var(--text)}
.act.copy{background:var(--primary-soft);color:var(--primary)}
.act.copy:hover{background:var(--primary);color:#fff}
.act.fav.on{color:#e11d48}
.act.fav.on svg{fill:#e11d48}

/* Grid mode */
.list.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.list.grid .row{position:relative;flex-direction:column;align-items:stretch;gap:0;padding:14px 16px 12px;min-height:150px;min-width:0}
.list.grid .row-body{display:flex;flex-direction:column;flex:1}
.list.grid .row-label{padding-right:40px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:10px}
.list.grid .row-text{flex:1;display:flex;align-items:center;font-size:22px;line-height:1.35;padding:6px 0 12px;overflow-wrap:anywhere}
.list.grid .row-actions{display:contents}
.list.grid .act.fav{position:absolute;top:8px;right:8px;width:32px;height:32px}
.list.grid .act.copy{width:100%;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:14px;font-weight:600;border-top:0}
.list.grid .act.copy svg.lucide{width:16px;height:16px}
.act.copy .copy-label{display:none}
.list.grid .act.copy .copy-label{display:inline}
.list.grid .row.copied .act.copy{background:var(--primary);color:#fff}

.noscript{background:var(--primary-soft);border:1px solid #ddd6fe;border-radius:var(--radius);padding:14px 16px;color:#4c1d95;font-size:14px;margin:8px 0}
.empty{text-align:center;padding:48px 0;color:var(--muted)}
.empty svg.lucide{width:32px;height:32px;margin-bottom:8px}
.hidden{display:none}
.btn-more{display:block;width:100%;margin-top:14px;padding:13px 18px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--card);color:var(--primary);font:inherit;font-size:15px;font-weight:600;cursor:pointer;transition:border-color .15s,background .15s}
.btn-more:hover{border-color:var(--primary);background:var(--primary-soft)}
.btn-more.hidden{display:none}

.content{padding-top:56px;padding-bottom:56px}
.content h2{font-size:24px;letter-spacing:-.01em;margin:36px 0 14px}
.content h2:first-child{margin-top:0}
.content p{color:#3f3f46;margin-bottom:12px}
.content h3{font-size:18px;letter-spacing:-.01em;margin:22px 0 8px}
.content ul{margin:0 0 16px 22px}
.content li{color:#3f3f46;margin-bottom:8px}
.content a{color:var(--primary);text-decoration:underline}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.step .num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:14px;margin-bottom:10px}
.step h3{font-size:16px;margin-bottom:4px}
.step p{font-size:14px;color:var(--muted);margin:0}
details{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;margin-bottom:8px}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";color:var(--muted);font-weight:400;font-size:20px;line-height:1}
details[open] summary::after{content:"−"}
details p{margin:10px 0 0;font-size:15px}

/* Portada: sección explicativa centrada (solo index.html) */
.content--center{text-align:center}
.content--center h2{position:relative;padding-bottom:14px}
.content--center h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:54px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--primary),#c4b5fd)}
.content--center h3{color:var(--primary)}
.content--center p{max-width:66ch;margin-left:auto;margin-right:auto}
.content--center .step{text-align:center;transition:transform .18s,border-color .18s,box-shadow .18s}
.content--center .step:hover{transform:translateY(-3px);border-color:#c4b5fd;box-shadow:0 10px 24px rgba(109,40,217,.09)}
.content--center .step .num{display:grid;margin:0 auto 10px}
.content--center ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:10px;margin:0 auto 20px}
.content--center li{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin:0;font-size:15px;color:#3f3f46;transition:border-color .15s}
.content--center li:hover{border-color:#c4b5fd}
.content--center li strong{display:block;color:var(--primary);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin-bottom:5px}
.content--center summary{justify-content:center;gap:8px;padding-right:0}
.content--center details{text-align:center}
.content--center details p{max-width:66ch}

.footer{border-top:1px solid var(--border);padding:24px 0;font-size:13px;color:var(--muted);text-align:center}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 14px;margin-top:12px;font-size:12px}
.footer-links a{display:inline-flex;align-items:center;min-height:24px;padding:2px;color:var(--muted);transition:color .15s}
.footer-links a:hover{color:var(--primary)}

.contact-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin:8px 0 20px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font:inherit;font-size:15px;background:var(--bg);color:var(--text)}
.form-group input:focus,.form-group textarea:focus{outline:2px solid var(--primary-soft);border-color:var(--primary)}
.btn-primary{border:0;border-radius:10px;background:var(--primary);color:#fff;font:inherit;font-weight:600;padding:11px 18px;cursor:pointer}
.btn-primary:hover{background:#5b21b6}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#18181b;color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;display:flex;align-items:center;gap:8px;transition:all .2s;z-index:50}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast svg.lucide{width:16px;height:16px;color:#a3e635}

@media (max-width:640px){
  .nav{display:none}
  .hero{padding:32px 20px 16px}
  .search{width:100%}
  .steps{grid-template-columns:1fr}
  .row-text{font-size:18px}
  .hint{display:none}
  .list.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .list.grid .row{min-height:130px;padding:12px 12px 10px}
  .list.grid .row-text{font-size:17px}
}
@media (max-width:420px){
  .list.grid{grid-template-columns:minmax(0,1fr)}
}