:root{
  --bg:#f6f8fc;
  --card:#ffffff;
  --text:#141824;
  --muted:#5c647a;
  --line:rgba(20,24,36,.12);
  --shadow: 0 18px 60px rgba(20,24,36,.10);
  --radius:18px;
  --brand:#2b6cff;
  --brand2:#11c7a3;
  --danger:#e6475a;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(900px 500px at 15% 0%, rgba(43,108,255,.18), transparent 60%),
    radial-gradient(700px 450px at 90% 10%, rgba(17,199,163,.16), transparent 55%),
    var(--bg);
}

a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:18px}
.topbar{
  position:sticky;top:0;z-index:20;
  backdrop-filter: blur(12px);
  background: rgba(246,248,252,.75);
  border-bottom:1px solid var(--line);
}
.navrow{display:flex;gap:14px;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.2px}
.brand .logo{
  width:38px;height:38px;border-radius:12px;
  background: linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow: 0 10px 22px rgba(43,108,255,.22);
}
.brand span{font-size:18px}
.navlinks{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.pill{
  padding:9px 12px;border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.65);
}
.pill:hover{transform: translateY(-1px); box-shadow: 0 12px 30px rgba(20,24,36,.08);}

.hero{
  display:grid;grid-template-columns: 1.3fr .7fr;
  gap:18px;align-items:stretch;
  padding:18px 0 8px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
}
.hero .intro{padding:18px}
.h1{font-size:38px;line-height:1.05;margin:0 0 10px}
.sub{color:var(--muted);margin:0 0 14px}
.searchbox{display:flex;gap:10px;align-items:center}
.input{
  width:100%;
  padding:12px 14px;border-radius:14px;
  border:1px solid var(--line);
  outline:0;background:#fff;
}
.btn{
  cursor:pointer;
  border:0;
  padding:12px 14px;border-radius:14px;
  background: linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;font-weight:800;
}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-outline{
  background: transparent;
  border:1px solid var(--line);
  color: var(--text);
}
.grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:14px;
  padding:14px;
}
@media (max-width: 980px){
  .hero{grid-template-columns: 1fr}
  .grid{grid-template-columns: repeat(2,1fr)}
}
@media (max-width: 520px){
  .grid{grid-template-columns: 1fr}
  .h1{font-size:32px}
}
.listing{
  overflow:hidden;
  display:flex;flex-direction:column;
}
.thumb{
  width:100%;aspect-ratio: 4/3;
  background: #eef2ff;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.lbody{padding:12px}
.ltitle{font-weight:900;margin:0 0 6px}
.lmeta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px}
.price{font-weight:900;color:var(--text)}
.badge{
  display:inline-flex;gap:6px;align-items:center;
  padding:7px 10px;border-radius:999px;
  background: rgba(43,108,255,.10);
  border:1px solid rgba(43,108,255,.18);
  font-weight:800;font-size:12px;
}
.section-title{display:flex;align-items:center;justify-content:space-between;padding:10px 2px}
.section-title h2{margin:0;font-size:18px}
.section-title .muted{color:var(--muted);font-size:13px}

.footer{padding:26px 0;color:var(--muted);font-size:13px}
.footer .row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between}

.notice{margin:12px 0;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background: rgba(255,255,255,.75)}
.notice.ok{border-color: rgba(17,199,163,.35); background: rgba(17,199,163,.08); color:#0b3b2f}
.notice.err{border-color: rgba(230,71,90,.35); background: rgba(230,71,90,.08); color:#551018}

.form{padding:14px}
.form .row{display:grid;grid-template-columns: 1fr 1fr;gap:12px}
.form .row1{display:grid;grid-template-columns: 1fr;gap:12px}
label{font-size:13px;color:var(--muted);font-weight:800}
textarea.input{min-height:140px;resize:vertical}
.table{width:100%;border-collapse:separate;border-spacing:0}
.table th,.table td{padding:10px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}
.table th{color:var(--muted);font-weight:900;background: rgba(246,248,252,.6)}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.small{padding:9px 10px;border-radius:12px;font-size:13px}
.danger{background:var(--danger)}

/* ===== Burger PRO ===== */
.burger {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    border: 1px solid rgba(0,0,0,.10);
    background: rgba(255,255,255,.92);
    box-shadow: 0 10px 25px rgba(0,0,0,.08);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.burger__line {
    position: absolute;
    width: 18px;
    height: 2px;
    background: rgba(10,20,35,.75);
    border-radius: 99px;
    transition: transform .18s ease, opacity .18s ease;
}

    /* colocación de las 3 líneas */
    .burger__line:nth-child(1) {
        transform: translateY(-6px);
    }

    .burger__line:nth-child(2) {
        transform: translateY(0);
    }

    .burger__line:nth-child(3) {
        transform: translateY(6px);
    }

/* Estado abierto: se convierte en X */
.burger.is-open .burger__line:nth-child(1) {
    transform: rotate(45deg);
}

.burger.is-open .burger__line:nth-child(2) {
    opacity: 0;
}

.burger.is-open .burger__line:nth-child(3) {
    transform: rotate(-45deg);
}

/* Móvil */
@media (max-width: 900px) {
    .burger {
        display: flex;
        position: relative;
    }
}

/* ===== FIX menú móvil: oculto por defecto ===== */
@media (max-width: 900px) {
    /* el nav debe estar cerrado por defecto */
    header.topbar .navlinks {
        display: flex; /* lo mantenemos flex para el panel */
        position: fixed;
        top: 64px;
        left: 12px;
        right: 12px;
        z-index: 45;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px;
        border-radius: 18px;
        border: 1px solid rgba(0,0,0,.10);
        background: rgba(255,255,255,.92);
        backdrop-filter: blur(14px);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
    }

        header.topbar .navlinks.is-open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        /* pills en móvil a ancho completo */
        header.topbar .navlinks .pill {
            display: block;
            width: 100%;
            text-align: left;
        }

        /* el form logout también a ancho completo */
        header.topbar .navlinks form {
            width: 100%;
        }

            header.topbar .navlinks form .pill {
                width: 100%;
                text-align: left;
            }
}

/* Sticky footer: footer siempre abajo aunque haya poco contenido */
html, body {
    height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main.container {
    flex: 1 0 auto;
}

.im-footer {
    margin-top: auto; /* empuja el footer al fondo */
}