:root{--bg:#fff;--fg:#1a1a1a;--mut:#555;--acc:#0b5fff;--card:#f4f6fa;--bd:#d5dae3}
@media(prefers-color-scheme:dark){:root{--bg:#14161a;--fg:#eceef2;--mut:#a5abb8;--acc:#7aa5ff;--card:#1e2128;--bd:#363b46}}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,sans-serif;background:var(--bg);color:var(--fg)}
header,main,footer{max-width:42rem;margin:0 auto;padding:1rem}
nav a{margin-right:1rem;color:var(--acc)}a{color:var(--acc)}
h1{font-size:1.6rem;line-height:1.2}form,.res{background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:1rem;margin:1rem 0}
label{display:block;margin:.6rem 0 .2rem;font-weight:600}input,select{width:100%;padding:.7rem;font-size:1rem;border:1px solid var(--bd);border-radius:8px;background:var(--bg);color:var(--fg)}
button{margin-top:1rem;padding:.8rem 1.2rem;font-size:1rem;border:0;border-radius:8px;background:var(--acc);color:#fff;font-weight:700;width:100%}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
table{width:100%;border-collapse:collapse}td{padding:.35rem 0;border-bottom:1px solid var(--bd)}td:last-child{text-align:right}
.tot td{font-weight:700}.aviso{color:var(--mut);font-size:.9rem}.ad{min-height:0}
h2{font-size:1.2rem;margin-top:1.8rem}.lead{color:var(--mut)}th{text-align:left;padding:.35rem 0;border-bottom:1px solid var(--bd)}
.ej{margin:.5rem 0 1rem}.faq details{border:1px solid var(--bd);border-radius:8px;padding:.6rem .8rem;margin:.5rem 0}
.faq summary{cursor:pointer;font-weight:600}.faq p{margin:.5rem 0 0}.fuentes{font-size:.95rem}
.cards{list-style:none;padding:0}.cards li{background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:1rem;margin:.6rem 0}
.res:empty{display:none}
.drop{display:block;border:2px dashed var(--bd);border-radius:10px;padding:1.5rem 1rem;text-align:center;cursor:pointer;margin:0}
.drop:hover,.drop.on{border-color:var(--acc)}.drop input{position:absolute;opacity:0;width:1px;height:1px}
.drop:focus-within{outline:3px solid var(--acc);outline-offset:2px}
ul.files{list-style:none;padding:0;margin:.8rem 0}ul.files li{display:flex;gap:.5rem;align-items:center;padding:.4rem 0;border-bottom:1px solid var(--bd)}
ul.files .n{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
ul.files button{width:auto;margin:0;padding:.4rem .7rem;background:var(--bd);color:var(--fg)}
.priv{background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:.7rem 1rem}
#estado{min-height:1.5rem}.out a{display:inline-block;margin:.3rem 0}.out img{max-width:100%;height:auto;border-radius:8px}
button:disabled{opacity:.5}