/* ============================================================
   Netcrom Admin Panel — admin.css
   No external frameworks. Pure CSS.
   ============================================================ */

:root {
  --admin-sidebar:    #1e293b;
  --admin-sidebar-hover: #334155;
  --admin-sidebar-active: #6366f1;
  --admin-bg:         #f8fafc;
  --admin-primary:    #6366f1;
  --admin-primary-dark: #4f46e5;
  --admin-danger:     #ef4444;
  --admin-success:    #22c55e;
  --admin-warning:    #f59e0b;
  --admin-gray:       #64748b;
  --admin-border:     #e2e8f0;
  --admin-sidebar-width: 240px;
  --admin-topbar-height: 56px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  color: #1e293b;
  background: var(--admin-bg);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Layout ─────────────────────────────────────────────────── */

.admin-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────── */

.admin-sidebar {
  width: var(--admin-sidebar-width);
  background: var(--admin-sidebar);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  transition: transform .25s ease;
}

.admin-sidebar__logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.admin-sidebar__logo a {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.3px;
}

.admin-sidebar__logo span {
  color: var(--admin-primary);
}

.admin-nav {
  padding: 12px 0;
  flex: 1;
}

.admin-nav__label {
  padding: 8px 20px 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #475569;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: #94a3b8;
  font-size: 13.5px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background .15s, color .15s;
}

.admin-nav a:hover {
  background: var(--admin-sidebar-hover);
  color: #e2e8f0;
}

.admin-nav a.active {
  background: rgba(99,102,241,.15);
  color: #fff;
  border-left-color: var(--admin-primary);
}

.admin-nav a svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  opacity: .75;
}

.admin-nav a.active svg { opacity: 1; }

.admin-sidebar__footer {
  padding: 12px 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px;
  color: #475569;
}

/* ── Main content ───────────────────────────────────────────── */

.admin-main {
  margin-left: var(--admin-sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ─────────────────────────────────────────────────── */

.admin-topbar {
  height: var(--admin-topbar-height);
  background: #fff;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-topbar__title {
  font-size: 16px;
  font-weight: 600;
  color: #0f172a;
}

.admin-topbar__user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--admin-gray);
}

.admin-topbar__user strong { color: #1e293b; }

.admin-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: #475569;
}

/* ── Content area ───────────────────────────────────────────── */

.admin-content {
  padding: 24px;
  flex: 1;
}

/* ── Flash messages ─────────────────────────────────────────── */

.admin-flash {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13.5px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.admin-flash--success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.admin-flash--error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.admin-flash__close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: inherit;
  opacity: .7;
}
.admin-flash__close:hover { opacity: 1; }

/* ── Cards / Stats ──────────────────────────────────────────── */

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}

.stat-card__label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--admin-gray);
  margin-bottom: 8px;
}

.stat-card__value {
  font-size: 28px;
  font-weight: 700;
  color: #0f172a;
}

.stat-card__icon {
  font-size: 20px;
  margin-bottom: 8px;
}

/* ── Tables ─────────────────────────────────────────────────── */

.admin-table-wrap {
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}

.admin-table-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-table-header h2 {
  font-size: 15px;
  font-weight: 600;
  color: #0f172a;
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--admin-gray);
  background: #f8fafc;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

.admin-table td {
  padding: 10px 16px;
  font-size: 13.5px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.admin-table tbody tr:last-child td { border-bottom: none; }

.admin-table tbody tr:hover td { background: #f8fafc; }

/* Zebra striping */
.admin-table tbody tr:nth-child(even) td { background: #fafafa; }
.admin-table tbody tr:nth-child(even):hover td { background: #f1f5f9; }

/* ── Badges ─────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.badge--disponible  { background: #dcfce7; color: #15803d; }
.badge--borrador    { background: #f1f5f9; color: #475569; }
.badge--revision    { background: #fef9c3; color: #a16207; }
.badge--pausada     { background: #ffedd5; color: #c2410c; }
.badge--archivada   { background: #fee2e2; color: #b91c1c; }
.badge--activo      { background: #dcfce7; color: #15803d; }
.badge--inactivo    { background: #fee2e2; color: #b91c1c; }
.badge--superadmin  { background: #ede9fe; color: #6d28d9; }
.badge--admin       { background: #dbeafe; color: #1d4ed8; }
.badge--moderador   { background: #f0fdf4; color: #166534; }
.badge--comun       { background: #f1f5f9; color: #475569; }
.badge--raro        { background: #dbeafe; color: #1d4ed8; }
.badge--epico       { background: #ede9fe; color: #7c3aed; }
.badge--legendario  { background: #fef3c7; color: #b45309; }

/* ── Buttons ────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background .15s, opacity .15s;
  white-space: nowrap;
  line-height: 1.4;
}

.btn:disabled { opacity: .6; cursor: not-allowed; }

.btn--primary {
  background: var(--admin-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--admin-primary-dark); }

.btn--secondary {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid var(--admin-border);
}
.btn--secondary:hover { background: #e2e8f0; }

.btn--danger {
  background: var(--admin-danger);
  color: #fff;
}
.btn--danger:hover { background: #dc2626; }

.btn--success {
  background: var(--admin-success);
  color: #fff;
}
.btn--success:hover { background: #16a34a; }

.btn--warning {
  background: var(--admin-warning);
  color: #fff;
}
.btn--warning:hover { background: #d97706; }

.btn--sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn--xs {
  padding: 2px 8px;
  font-size: 11.5px;
}

/* ── Forms ──────────────────────────────────────────────────── */

.admin-card {
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  margin-bottom: 16px;
}

.admin-card__title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #0f172a;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--admin-border);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group--full { grid-column: 1 / -1; }

label.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: #374151;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 13.5px;
  color: #1e293b;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}

textarea { resize: vertical; min-height: 120px; }

.form-error {
  font-size: 12px;
  color: var(--admin-danger);
  margin-top: 2px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--admin-border);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
}

.form-check input[type="checkbox"] {
  width: 16px; height: 16px;
  cursor: pointer;
}

/* ── Pagination ─────────────────────────────────────────────── */

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 16px 20px;
  align-items: center;
}

.pagination .page-item .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 13px;
  color: var(--admin-primary);
  background: #fff;
  border: 1px solid var(--admin-border);
  transition: background .1s, color .1s;
}

.pagination .page-item.active .page-link {
  background: var(--admin-primary);
  color: #fff;
  border-color: var(--admin-primary);
}

.pagination .page-item.disabled .page-link {
  color: #cbd5e1;
  pointer-events: none;
}

/* ── Back link ──────────────────────────────────────────────── */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--admin-gray);
  margin-bottom: 16px;
}

.back-link:hover { color: var(--admin-primary); }

/* ── Page header ────────────────────────────────────────────── */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-header h1 {
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
}

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
  }

  .admin-hamburger {
    display: flex;
  }

  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .admin-content { padding: 16px; }
}

@media (max-width: 480px) {
  .admin-stats {
    grid-template-columns: 1fr;
  }
}

/* ── Overlay (mobile) ───────────────────────────────────────── */

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 90;
}

.sidebar-overlay.active { display: block; }