:root{
  --bg:#f4f6f8; --card:#fff; --ink:#1f2933; --muted:#6b7280;
  --line:#e4e8ee; --brand:#2563eb; --brand-ink:#fff;
  --ok-bg:#e7f6ec; --ok-ink:#1a7f42; --err-bg:#fdeaea; --err-ink:#b42318;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.5}
.wrap{max-width:820px;margin:0 auto;padding:0 16px 48px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 4px}
.brand{font-weight:700;font-size:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:28px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
h1{font-size:22px;margin:0 0 4px} h2{font-size:17px;margin:24px 0 8px}
.sub{color:var(--muted);margin:0 0 20px}
label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}
input[type=text],input[type=email],input[type=tel],input[type=password],
input[type=number],input[type=date],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  font-size:16px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);border-color:var(--brand)}
input[readonly]{background:#f3f4f6;color:var(--muted)}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>div{flex:1;min-width:160px}
.check{display:flex;align-items:flex-start;gap:8px;font-weight:400;margin:8px 0}
.check input{width:auto;margin-top:3px}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:4px 16px}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);border:0;
  padding:12px 20px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;
  text-decoration:none;margin-top:22px;min-height:44px}
.btn:hover{filter:brightness(.95)}
.btn-sm{padding:7px 12px;font-size:14px;margin-top:0;min-height:0}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.alert{padding:12px 14px;border-radius:8px;margin:0 0 16px;font-size:14px}
.alert-ok{background:var(--ok-bg);color:var(--ok-ink)}
.alert-error{background:var(--err-bg);color:var(--err-ink)}
.hint{font-size:13px;color:var(--muted);margin-top:4px}
.hidden{display:none}
.adminnav{display:flex;flex-wrap:wrap;gap:4px;align-items:center;
  margin:0 0 20px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.adminnav a{padding:9px 13px;border-radius:8px;text-decoration:none;color:var(--muted);
  font-weight:600;font-size:14px}
.adminnav a:hover{background:#eef2f7}
.adminnav a.active{background:var(--brand);color:#fff}
.adminnav .right-link{margin-left:auto}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:8px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:420px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600}
.linkbox{background:#f3f4f6;border:1px dashed #c9ced6;border-radius:8px;
  padding:10px 12px;font-family:ui-monospace,monospace;font-size:13px;word-break:break-all;margin-top:8px}
.muted{color:var(--muted)} .right{text-align:right}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.pill-on{background:var(--ok-bg);color:var(--ok-ink)}
.pill-off{background:#eceff3;color:var(--muted)}

@media(max-width:520px){
  .wrap{padding:0 12px 40px}
  .card{padding:20px 16px;border-radius:10px}
  h1{font-size:20px}
  .btn{width:100%;text-align:center}
  .btn-sm{width:auto}
}

/* =====================================================================
   TEMA DE ADMINISTRACIÓN: denso, ancho y profesional.
   Se activa con <body class="admin"> (lo pone render_head en /admin/).
   Prioriza ver todo de un vistazo sobre el comportamiento en móvil.
   ===================================================================== */
body.admin{background:#eef1f5}
.admin .wrap{max-width:1200px;padding:0 22px 40px}
.admin .topbar{padding:14px 2px 8px}
.admin .brand{font-size:17px}
.admin .card{padding:20px 24px;border-radius:10px}
.admin h1{font-size:19px;margin:0 0 2px}
.admin h2{font-size:12.5px;margin:22px 0 8px;text-transform:uppercase;
  letter-spacing:.04em;color:var(--muted);font-weight:700}
.admin .sub{font-size:13px;margin:0 0 16px}
.admin label{font-size:12.5px;margin:12px 0 4px;color:#344054}
.admin input[type=text],.admin input[type=email],.admin input[type=tel],
.admin input[type=password],.admin input[type=number],.admin input[type=date],
.admin select,.admin textarea{padding:8px 10px;font-size:14px;border-radius:7px}
.admin .btn{padding:9px 17px;font-size:14px;margin-top:16px;min-height:0;width:auto}
.admin .btn-sm{padding:6px 11px;font-size:13px}
.admin .row{gap:12px 18px}

/* Navegación tipo pestañas de consola */
.admin .adminnav{gap:0;margin:0 0 18px;padding:0;border-bottom:1px solid var(--line)}
.admin .adminnav a{padding:10px 15px;border-radius:0;background:transparent;color:var(--muted);
  font-size:13.5px;border-bottom:2px solid transparent;margin-bottom:-1px}
.admin .adminnav a:hover{background:transparent;color:var(--ink)}
.admin .adminnav a.active{background:transparent;color:var(--brand);border-bottom-color:var(--brand)}
.admin .adminnav .right-link{color:var(--muted)}

/* Tablas densas */
.admin table{font-size:13px}
.admin th,.admin td{padding:6px 9px}
.admin .daybox{padding:12px 14px;margin-bottom:10px}

/* Tarjetas de estadística y accesos rápidos del panel */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:6px 0 8px}
.stat{display:flex;flex-direction:column;gap:2px;padding:14px 16px;border:1px solid var(--line);
  border-radius:9px;text-decoration:none;background:#fff;transition:border-color .1s}
.stat:hover{border-color:var(--brand)}
.stat .num{font-size:24px;font-weight:700;color:var(--ink);line-height:1.1}
.stat .lbl{font-size:12.5px;color:var(--muted)}
.stat.warn .num{color:#b54708}
.quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.quick a{padding:9px 14px;border:1px solid var(--line);border-radius:8px;text-decoration:none;
  color:var(--ink);font-size:14px;font-weight:600;background:#fff}
.quick a:hover{border-color:var(--brand);color:var(--brand)}
