/* ============================================
   ADMIN ESTELLA — STYLES
============================================ */
:root {
  --admin-primary: #2563EB;
  --admin-primary-dark: #1D4ED8;
  --admin-bg: #F1F5F9;
  --admin-card: #FFFFFF;
  --admin-text: #0B1220;
  --admin-muted: #64748B;
  --admin-border: #E2E8F0;
  --admin-sidebar-bg: #0B1220;
  --admin-sidebar-text: #CBD5E1;
  --admin-topbar-height: 64px;
  --admin-sidebar-width: 260px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Nunito Sans', system-ui, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
}

a { text-decoration: none; }

/* ============================================
   TOPBAR
============================================ */
.admin-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  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 1rem;
  z-index: 1030;
  box-shadow: 0 1px 4px rgba(15, 23, 42, .04);
}

.btn-toggle-sidebar {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--admin-text);
  padding: 6px 10px;
  border-radius: 8px;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--admin-text);
}
.admin-brand img { width: 36px; height: 36px; object-fit: contain; }
.admin-brand strong { color: var(--admin-primary); }

.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-view-site {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem .9rem;
  border-radius: 50px;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-size: .85rem;
  font-weight: 600;
  transition: all .25s ease;
}
.btn-view-site:hover { background: var(--admin-primary); color: #fff; }

.admin-user {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.admin-user img {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--admin-border);
}
.admin-user-name {
  font-weight: 700;
  font-size: .88rem;
  line-height: 1.1;
}
.admin-user-role {
  font-size: .75rem;
  color: var(--admin-muted);
}

/* ============================================
   LAYOUT
============================================ */
.admin-layout {
  display: flex;
  padding-top: var(--admin-topbar-height);
  min-height: 100vh;
}

/* ============================================
   SIDEBAR
============================================ */
.admin-sidebar {
  position: fixed;
  top: var(--admin-topbar-height);
  left: 0;
  bottom: 0;
  width: var(--admin-sidebar-width);
  background: var(--admin-sidebar-bg);
  color: var(--admin-sidebar-text);
  padding: 1.25rem 0;
  overflow-y: auto;
  z-index: 1020;
  transition: transform .3s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem 1rem;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #64748B;
  font-weight: 700;
}
.btn-close-sidebar {
  background: transparent;
  border: none;
  color: #94A3B8;
  font-size: 1.1rem;
  padding: 4px 8px;
  border-radius: 6px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: 0 .75rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .75rem 1rem;
  border-radius: 10px;
  color: var(--admin-sidebar-text);
  font-size: .92rem;
  font-weight: 500;
  transition: all .2s ease;
  margin-bottom: .2rem;
}
.sidebar-link i {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
}
.sidebar-link:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff;
}
.sidebar-link.active {
  background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(37, 99, 235, .35);
}
.sidebar-link-danger:hover {
  background: rgba(239, 68, 68, .12);
  color: #F87171;
}

.sidebar-divider {
  height: 1px;
  background: rgba(255, 255, 255, .08);
  margin: 1rem .75rem;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .4);
  z-index: 1010;
  opacity: 0;
  transition: opacity .3s ease;
}
.sidebar-overlay.show {
  display: block;
  opacity: 1;
}

/* ============================================
   CONTENU PRINCIPAL
============================================ */
.admin-main {
  flex: 1;
  margin-left: var(--admin-sidebar-width);
  padding: 2rem;
  width: calc(100% - var(--admin-sidebar-width));
}

/* ============================================
   FOOTER
============================================ */
.admin-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  margin-left: var(--admin-sidebar-width);
  border-top: 1px solid var(--admin-border);
  font-size: .85rem;
  color: var(--admin-muted);
  flex-wrap: wrap;
  gap: .5rem;
}

/* ============================================
   CARDS & ÉLÉMENTS
============================================ */
.admin-card {
  background: var(--admin-card);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(15, 23, 42, .05);
  border: 1px solid var(--admin-border);
}

.page-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  margin-bottom: .25rem;
}
.page-subtitle {
  color: var(--admin-muted);
  font-size: .92rem;
  margin-bottom: 1.5rem;
}

/* Stats cards */
.stat-card {
  background: #fff;
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid var(--admin-border);
  box-shadow: 0 4px 20px rgba(15, 23, 42, .04);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, .1);
}
.stat-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  flex-shrink: 0;
}
.stat-icon.blue   { background: linear-gradient(135deg, #2563EB, #1D4ED8); }
.stat-icon.amber  { background: linear-gradient(135deg, #F59E0B, #D97706); }
.stat-icon.green  { background: linear-gradient(135deg, #10B981, #059669); }
.stat-icon.purple { background: linear-gradient(135deg, #8B5CF6, #6D28D9); }

.stat-value {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1;
}
.stat-label {
  font-size: .82rem;
  color: var(--admin-muted);
  margin-top: 4px;
}

/* Boutons */
.btn-admin-primary {
  background: var(--admin-primary);
  border: none;
  color: #fff;
  padding: .6rem 1.2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: all .25s ease;
}
.btn-admin-primary:hover { background: var(--admin-primary-dark); color: #fff; transform: translateY(-2px); }

.btn-admin-outline {
  background: transparent;
  border: 1px solid var(--admin-border);
  color: var(--admin-text);
  padding: .55rem 1.1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: all .25s ease;
}
.btn-admin-outline:hover { background: var(--admin-bg); }

.btn-action {
  width: 34px; height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: none;
  font-size: .95rem;
  transition: all .2s ease;
}
.btn-action.edit   { background: rgba(37, 99, 235, .1); color: #2563EB; }
.btn-action.edit:hover { background: #2563EB; color: #fff; }
.btn-action.delete { background: rgba(239, 68, 68, .1); color: #EF4444; }
.btn-action.delete:hover { background: #EF4444; color: #fff; }
.btn-action.view   { background: rgba(16, 185, 129, .1); color: #10B981; }
.btn-action.view:hover { background: #10B981; color: #fff; }

/* Table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}
.admin-table th {
  text-align: left;
  padding: 1rem;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--admin-muted);
  border-bottom: 1px solid var(--admin-border);
  font-weight: 700;
  background: #F8FAFC;
}
.admin-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--admin-border);
  font-size: .9rem;
  vertical-align: middle;
}
.admin-table tr:hover td { background: #F8FAFC; }
.admin-table img.thumb {
  width: 50px; height: 50px;
  border-radius: 10px;
  object-fit: cover;
}

/* Form */
.form-label { font-size: .85rem; font-weight: 600; }
.form-control, .form-select {
  border-radius: 10px;
  border: 1px solid var(--admin-border);
  padding: .7rem .95rem;
  font-size: .92rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #0B1220 0%, #1E293B 100%);
}
.login-card {
  background: #fff;
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .3);
}
.login-card .logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.login-card .logo img { width: 64px; }
.login-card h1 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: .25rem;
}
.login-card p.sub {
  text-align: center;
  color: var(--admin-muted);
  margin-bottom: 2rem;
  font-size: .9rem;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 991.98px) {
  .btn-toggle-sidebar { display: inline-flex; align-items: center; }
  .admin-sidebar {
    transform: translateX(-100%);
    box-shadow: 4px 0 24px rgba(0, 0, 0, .2);
  }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main {
    margin-left: 0;
    width: 100%;
    padding: 1.25rem;
  }
  .admin-footer {
    margin-left: 0;
    padding: 1rem;
    text-align: center;
    justify-content: center;
  }
  .admin-brand span { display: none; }
}