/* DASS Docs NAS — estilos base (paleta corporativa) */
:root {
  --white: #FFFFFF;
  --dark: #0B2C3B;
  --olive: #AAA727;
  --olive-dark: #8b8a20;
  --bg: #F6F8FA;
  --border: #E2E8F0;
  --text: #1F2937;
  --muted: #64748B;
  --danger: #B91C1C;
  --danger-bg: #FEF2F2;
  --success: #166534;
  --success-bg: #F0FDF4;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--dark); }
a:hover { color: var(--olive-dark); }

h1, h2, h3 { color: var(--dark); margin: 0 0 0.5rem; line-height: 1.25; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }

.muted { color: var(--muted); }
.lead { color: var(--muted); margin-top: 0; }

/* ---------------------------------------------------------------- topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--dark);
  color: var(--white);
  padding: 0.5rem 1.25rem;
  flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { height: 40px; width: auto; }

.main-nav { display: flex; gap: 0.25rem; flex: 1; }
.nav-link {
  color: #C7D2D9;
  text-decoration: none;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  font-weight: 500;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-link.is-active { color: var(--white); background: rgba(255,255,255,0.12); border-bottom: 3px solid var(--olive); }

.user-area { display: flex; align-items: center; gap: 0.75rem; }
.user-name { color: #C7D2D9; font-size: 0.9rem; }

.inline { display: inline; margin: 0; }

/* ------------------------------------------------------------- layout */
.container { max-width: 1160px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

.footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; color: var(--muted); border-top: 1px solid var(--border);
  background: var(--white);
}
.footer img { height: 24px; width: auto; opacity: 0.85; }

/* -------------------------------------------------------------- botones */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 0.9rem; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--white); color: var(--dark);
  font-size: 0.9rem; font-weight: 500; cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--dark); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--dark); color: var(--white); border-color: var(--dark); }
.btn-primary:hover { background: #12394d; border-color: #12394d; }

.btn-danger { color: var(--danger); border-color: #FECACA; }
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); }

.btn-ghost { background: transparent; color: #C7D2D9; border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { color: var(--white); border-color: var(--white); }

.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }

/* --------------------------------------------------------------- cards */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1.25rem; margin-bottom: 1.25rem;
}
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }

/* -------------------------------------------------------------- alertas */
.alert { padding: 0.75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; border: 1px solid; }
.alert-error { background: var(--danger-bg); color: var(--danger); border-color: #FECACA; }
.alert-success { background: var(--success-bg); color: var(--success); border-color: #BBF7D0; }

/* ------------------------------------------------------------ formularios */
.field { margin-bottom: 0.9rem; display: flex; flex-direction: column; }
.field label { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; color: var(--dark); }
.field input, .field select {
  padding: 0.55rem 0.7rem; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.95rem; background: var(--white); color: var(--text);
}
.field input:focus, .field select:focus { outline: 2px solid var(--olive); outline-offset: 1px; border-color: var(--olive); }

.form-inline { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; }
.form-inline .field { margin-bottom: 0; min-width: 200px; }


/* ------------------------------------------------------- tablas de datos */
.table-toolbar { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.table-filters { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.filter-ctl { display: flex; flex-direction: column; font-size: 0.78rem; color: var(--muted); gap: 0.2rem; }
.filter-ctl input, .filter-ctl select {
  padding: 0.35rem 0.5rem; border: 1px solid var(--border); border-radius: 6px; font-size: 0.85rem;
}
.filter-ctl .range { display: flex; gap: 0.3rem; }
.filter-ctl .range input { width: 90px; }
.table-actions { display: flex; gap: 0.5rem; align-items: center; }
.per-page { font-size: 0.85rem; color: var(--muted); display: flex; gap: 0.4rem; align-items: center; }
.per-page select { padding: 0.3rem 0.4rem; border: 1px solid var(--border); border-radius: 6px; }

.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; background: var(--white); }
.data-table th, .data-table td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.data-table thead th { background: #F1F5F9; color: var(--dark); font-weight: 600; white-space: nowrap; }
.data-table tbody tr:hover { background: #F8FAFC; }
.data-table th.sortable { cursor: pointer; user-select: none; }
.data-table th.sortable:hover { background: #E8EEF3; }
.sort-ind { color: var(--olive-dark); }
.td-actions, .th-actions { text-align: right; white-space: nowrap; }
.empty { text-align: center; color: var(--muted); padding: 1.5rem !important; }

.table-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 0.75rem; flex-wrap: wrap; gap: 0.5rem; }
.table-footer [data-info] { color: var(--muted); font-size: 0.85rem; }
.pagination { display: flex; gap: 0.25rem; }
.page-btn {
  min-width: 32px; padding: 0.3rem 0.55rem; border: 1px solid var(--border);
  background: var(--white); border-radius: 6px; cursor: pointer; color: var(--dark);
}
.page-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.page-btn.is-current { background: var(--dark); color: var(--white); border-color: var(--dark); }
.table-status { min-height: 1.2rem; color: var(--muted); font-size: 0.85rem; margin-top: 0.4rem; }

/* --------------------------------------------------------------- badges */
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-active { background: var(--success-bg); color: var(--success); }
.badge-suspended { background: var(--danger-bg); color: var(--danger); }

/* ------------------------------------------------------------ admin layout */
.admin-layout { display: grid; grid-template-columns: 240px 1fr; gap: 1.25rem; align-items: start; }
.admin-sidebar { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.75rem; }
.admin-sidebar nav { display: flex; flex-direction: column; }
.back { display: block; margin-bottom: 0.5rem; font-size: 0.85rem; text-decoration: none; color: var(--muted); }
.side-link { padding: 0.5rem 0.6rem; text-decoration: none; color: var(--text); border-radius: 6px; font-size: 0.9rem; }
.side-link:hover { background: #F1F5F9; }
.side-link.is-active { background: var(--dark); color: var(--white); }

.admin-content { min-width: 0; }

/* ------------------------------------------------------------ key/value */
.kv { display: grid; grid-template-columns: 200px 1fr; gap: 0.4rem 1rem; margin: 0; }
.kv dt { color: var(--muted); font-size: 0.85rem; }
.kv dd { margin: 0; }

/* ------------------------------------------------------------- responsive */
@media (max-width: 760px) {
  .admin-layout { grid-template-columns: 1fr; }
  .main-nav { order: 3; width: 100%; }
  .topbar { gap: 0.75rem; }
  .form-inline { flex-direction: column; align-items: stretch; }
  .kv { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------- explorador (Fase 6) */
.breadcrumb { font-size: 0.9rem; margin: 0.25rem 0 0; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--muted); margin: 0 0.35rem; }

.files-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.files-actions { display: flex; gap: 0.5rem; align-items: center; }
.entry-link { text-decoration: none; }
.th-size { width: 100px; }
.th-date { width: 190px; }

/* ----------------------------------------------------- búsqueda (Fase 9) */
.search-form { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.search-form input[type="search"] {
  flex: 1; padding: 0.55rem 0.7rem; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.95rem;
}
.search-form input[type="search"]:focus { outline: 2px solid var(--olive); border-color: var(--olive); }
.search-item { border-bottom: 1px solid var(--border); padding: 0.6rem 0; }
.search-item:last-child { border-bottom: none; }
.search-name { font-weight: 600; color: var(--dark); }
.search-snippet { color: var(--muted); font-size: 0.9rem; margin-top: 0.2rem; }
.search-snippet mark { background: #FEF08A; color: var(--dark); padding: 0 2px; border-radius: 2px; }