:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --danger: #dc2626;
  --soft: #f9fafb;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

/* --- Maqueta pública: logo arriba / explorador / noticias+logo abajo --- */
.topbar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 28px 16px;
  border-bottom: 1px solid var(--border);
}
.topbar .logo { max-width: 100%; height: auto; }
.topbar .logo.size-original { zoom: 1; }     /* tamaño natural */
.topbar .logo.size-medium   { zoom: 0.5; }   /* la mitad del original */
.topbar .logo.size-small    { zoom: 0.25; }  /* un cuarto del original */
.topbar .logo.size-mini     { zoom: 0.05; }  /* 5% del original */
.topbar .logo-text { font-size: 1.5rem; font-weight: 700; letter-spacing: .5px; }

.container { max-width: 880px; margin: 0 auto; padding: 28px 16px; }

.explorer .entry-list { list-style: none; margin: 0; padding: 0; }
.entry {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background: var(--soft);
}
.entry a {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; text-decoration: none; color: var(--fg);
}
.entry a:hover { background: #f3f4f6; }
.entry .ico { font-size: 1.2rem; }
.entry .name { font-weight: 500; }

.empty { color: var(--muted); text-align: center; padding: 40px 0; }

.breadcrumb { margin-bottom: 16px; color: var(--muted); font-size: .95rem; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb span { margin: 0 6px; }

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 28px 16px 48px;
  text-align: center;
}
.site-footer .news {
  max-width: 880px; margin: 0 auto 20px;
  color: var(--fg); text-align: left;
}
.footer-logo { max-width: 100%; height: auto; opacity: .9; }
.footer-logo.size-original { zoom: 1; }     /* tamaño natural */
.footer-logo.size-medium   { zoom: 0.5; }   /* la mitad del original */
.footer-logo.size-small    { zoom: 0.25; }  /* un cuarto del original */
.footer-logo.size-mini     { zoom: 0.05; }  /* 5% del original */

/* --- Admin --- */
.admin-bar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 12px 20px;
  background: #111827; color: #fff;
}
.admin-bar nav { display: flex; gap: 16px; flex-wrap: wrap; }
.admin-bar a { color: #d1d5db; text-decoration: none; font-size: .95rem; }
.admin-bar a:hover { color: #fff; }

.head-row { display: flex; justify-content: space-between; align-items: center; }

.cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 16px; }
.card {
  display: flex; flex-direction: column; gap: 8px; align-items: flex-start;
  padding: 20px; border: 1px solid var(--border); border-radius: var(--radius);
  text-decoration: none; color: var(--fg); background: var(--soft);
}
.card:hover { background: #f3f4f6; }
.card.disabled { opacity: .55; }
.card .big { font-size: 2rem; font-weight: 700; }

.table { width: 100%; border-collapse: collapse; margin-top: 16px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 600; font-size: .9rem; }

.btn {
  display: inline-block; padding: 8px 14px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; border-radius: 8px; cursor: pointer;
  text-decoration: none; font-size: .95rem;
}
.btn:hover { filter: brightness(.95); }
.btn.ghost { background: #fff; color: var(--fg); border-color: var(--border); }
.btn.danger { background: var(--danger); border-color: var(--danger); }

.form { display: flex; flex-direction: column; gap: 14px; max-width: 520px; margin-top: 16px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: .95rem; font-weight: 500; }
.form input, .form textarea {
  padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px;
  font: inherit; background: #fff;
}
.form label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; }
.form .actions { display: flex; gap: 10px; margin-top: 6px; }
.preview { display: block; max-height: 60px; margin-top: 8px; }
.preview.small { max-height: 32px; }
.hint { color: var(--muted); font-size: .85rem; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: .95rem; }
.flash.ok { background: #ecfdf5; color: #065f46; }
.flash.error { background: #fef2f2; color: #991b1b; }

/* Login */
.login-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; background: var(--soft); }
.login-box { background: #fff; padding: 32px; border: 1px solid var(--border); border-radius: 14px; width: 100%; max-width: 360px; }
.login-box h1 { margin-top: 0; font-size: 1.3rem; }
.login-box form { display: flex; flex-direction: column; gap: 14px; }
.login-box label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; }
.login-box input { padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font: inherit; }
.login-box button { padding: 10px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font: inherit; cursor: pointer; }
.btn.full { display: block; width: 100%; text-align: center; box-sizing: border-box; }
.or-sep { text-align: center; color: var(--muted); margin: 14px 0; font-size: .85rem; }

/* Modo En construcción */
.maintenance-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; background: var(--soft); padding: 24px; }
.maintenance-box { text-align: center; max-width: 520px; }
.maintenance-box .emoji { font-size: 3.5rem; line-height: 1; }
.maintenance-box h1 { margin: 16px 0 8px; font-size: 1.8rem; }
.maintenance-box .msg { color: var(--muted); font-size: 1.05rem; }
fieldset.maint-box { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
fieldset.maint-box legend { font-weight: 600; padding: 0 6px; }

/* --- Fase 1: explorador SMB (ficheros) --- */
.entry .file-row { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.entry.is-file { background: #fff; }
.entry.is-file .name { font-weight: 500; }
.entry .meta { margin-left: auto; color: var(--muted); font-size: .85rem; white-space: nowrap; }

.row-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row-actions form { margin: 0; }
.test-out { font-size: .85rem; min-width: 40px; }

/* Select del formulario admin (interfaz de salida, etc.) */
.form select { padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font: inherit; background: #fff; }

/* Título de recurso cuando hay varios en la portada */
.share-title { font-size: 1.15rem; margin: 24px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.explorer + .explorer { margin-top: 12px; }

/* Fase 2: enlace de descarga de fichero */
.entry a.file-link { display: flex; align-items: center; gap: 12px; }
.entry a.file-link .meta { margin-left: auto; }
.entry a.file-link .dl { opacity: .6; }
.entry a.file-link:hover .dl { opacity: 1; }

/* Botón "Salir" como enlace en la barra admin (logout por POST + CSRF) */
.admin-bar .nav-form { display: inline; margin: 0; }
.admin-bar .linkbtn { background: none; border: 0; color: #d1d5db; font: inherit; cursor: pointer; padding: 0; }
.admin-bar .linkbtn:hover { color: #fff; }