:root{
  --bg:#f4f2ec;--card:#fff;--ink:#23211d;--muted:#6f6a60;--line:#e3dfd5;
  --primary:#2f6f5e;--primary-ink:#fff;--accent:#e9a23b;--danger:#b4382f;
  --radius:14px;--shadow:0 2px 10px rgba(30,25,15,.08);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--primary)}
h1{font-size:1.5rem;margin:0 0 .5rem}
h2{font-size:1.1rem;margin:1.4rem 0 .6rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.muted{color:var(--muted);font-size:.9rem}
code{background:#eee9dd;padding:.1em .35em;border-radius:5px}

/* Login / instalador */
.page-login{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem}
.page-login .card{width:100%;max-width:400px;text-align:center}
.page-login form{text-align:left}
.logo{font-size:3rem}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}
label{display:block;margin:.7rem 0;font-weight:600;font-size:.92rem}
label input,label select,label textarea{display:block;width:100%;margin-top:.3rem;padding:.6rem .7rem;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
label.chk{display:flex;gap:.5rem;align-items:center;font-weight:500}
label.chk input{width:auto;margin:0}
.btn{display:inline-block;padding:.6rem 1.1rem;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{border-color:#c9c3b6}
.btn-primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.btn-danger{color:var(--danger)}
.btn-sm{padding:.35rem .7rem;font-size:.85rem}
.flash{padding:.7rem .9rem;border-radius:10px;margin:.6rem 0;font-size:.95rem}
.flash-ok{background:#dff3e6;color:#1d5b3a}
.flash-err{background:#fde3df;color:#7a241c}
.flash-info{background:#e5eefb;color:#1f3f6d}

/* Layout panel */
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:.7rem 1.2rem;display:flex;align-items:center;gap:1rem;position:sticky;top:0;z-index:5}
.topbar .brand{font-weight:800;color:var(--primary);text-decoration:none;font-size:1.05rem}
.topbar nav{display:flex;gap:1rem;margin-left:auto;font-size:.95rem}
.wrap{max-width:1100px;margin:0 auto;padding:1.3rem 1rem 3rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
@media(max-width:800px){.grid2{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
.row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.pill{display:inline-block;background:#eee9dd;border-radius:999px;padding:.15rem .6rem;font-size:.8rem}
.link-box{display:flex;gap:.5rem;align-items:center;background:#f8f6f0;border:1px dashed var(--line);border-radius:10px;padding:.6rem .8rem;font-size:.9rem;word-break:break-all}

/* Editor de tablero */
.editor{display:grid;grid-template-columns:1fr 320px;gap:1.2rem}
@media(max-width:900px){.editor{grid-template-columns:1fr}}
.grid-edit{display:grid;gap:8px;background:var(--line);padding:8px;border-radius:var(--radius)}
.cell{aspect-ratio:1/1;border-radius:10px;background:#fff;border:2px solid transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;padding:4px;overflow:hidden;font-size:.85rem;font-weight:700;text-align:center;position:relative}
.cell img{max-width:65%;max-height:60%;object-fit:contain}
.cell.vacia{color:#bbb;font-weight:400}
.cell.sel{border-color:var(--accent);box-shadow:0 0 0 3px #f6dfb5}
.cell .tag{position:absolute;top:4px;right:6px;font-size:.65rem;color:var(--muted)}
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1rem}
.pictos{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;max-height:260px;overflow:auto;margin-top:.5rem}
.pictos img{width:100%;aspect-ratio:1;object-fit:contain;border:2px solid var(--line);border-radius:8px;cursor:pointer;background:#fff}
.pictos img:hover,.pictos img.sel{border-color:var(--primary)}
.colores{display:flex;gap:6px;flex-wrap:wrap;margin-top:.3rem}
.colores span{width:28px;height:28px;border-radius:50%;border:2px solid #ddd;cursor:pointer}
.colores span.sel{border-color:#222}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.6rem}
.stat{background:#fff;border-radius:10px;box-shadow:var(--shadow);padding:.7rem .9rem}
.stat b{display:block;font-size:1.4rem}
.stat small{color:var(--muted)}