/* ================================================
   QR Menu Manager - Panel & Admin v2.0 Modern
   ================================================ */

/* =================== LAYOUT =================== */
.panel-layout { display: flex; min-height: 100vh; }

/* =================== SIDEBAR =================== */
.sidebar {
    width: 270px;
    background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
    color: var(--white);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    transition: var(--transition);
    border-right: 1px solid rgba(255,255,255,0.06);
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.sidebar-brand {
    padding: 1.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: relative;
}
.sidebar-brand::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 1.5rem;
    right: 1.5rem;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-light), transparent);
}
.sidebar-brand i { font-size: 1.5rem; color: var(--primary-light); }
.sidebar-brand span { background: linear-gradient(135deg, var(--primary-light), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.sidebar-nav { padding: 1rem 0; }

.sidebar-nav .nav-label {
    padding: 1rem 1.5rem 0.5rem;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.3);
    font-weight: 700;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.5rem;
    color: rgba(255,255,255,0.55);
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
    margin: 1px 0;
    position: relative;
}

.sidebar-nav a:hover {
    color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.05);
    border-left-color: rgba(255,255,255,0.2);
}

.sidebar-nav a.active {
    color: var(--white);
    background: linear-gradient(90deg, rgba(99,102,241,0.2), transparent);
    border-left-color: var(--primary-light);
    font-weight: 600;
}

.sidebar-nav a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-light);
    box-shadow: 0 0 10px rgba(129,140,248,0.5);
}

.sidebar-nav a i {
    width: 22px;
    text-align: center;
    font-size: 0.95rem;
    transition: var(--transition);
}

.sidebar-nav a:hover i { transform: scale(1.1); }

.sidebar-nav .badge-count {
    margin-left: auto;
    background: var(--primary);
    color: var(--white);
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    animation: pulse 2s ease-in-out infinite;
}

/* Sidebar user card at bottom */
.sidebar-user {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.sidebar-user .avatar-sm {
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem; color: var(--white);
    flex-shrink: 0;
}
.sidebar-user .user-name { font-size: 0.85rem; font-weight: 600; color: var(--white); }
.sidebar-user .user-email { font-size: 0.72rem; color: rgba(255,255,255,0.4); }

/* =================== MAIN CONTENT =================== */
.main-content {
    flex: 1;
    margin-left: 270px;
    background: var(--gray-50);
    min-height: 100vh;
}

/* =================== TOPBAR =================== */
.topbar {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 50;
    animation: fadeInDown 0.4s ease;
}

.topbar-left { display: flex; align-items: center; gap: 1rem; }
.topbar-left h1 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: -0.3px;
}

.sidebar-toggle {
    display: none;
    background: var(--gray-100);
    border: none;
    font-size: 1.1rem;
    color: var(--gray-600);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    transition: var(--transition);
}
.sidebar-toggle:hover { background: var(--primary-50); color: var(--primary); }

.topbar-right { display: flex; align-items: center; gap: 0.75rem; }

.topbar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}
.topbar-user:hover { background: var(--gray-50); border-color: var(--gray-200); }

.topbar-user .avatar {
    width: 38px; height: 38px; border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white); display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}

.topbar-user .user-info { line-height: 1.2; }
.topbar-user .user-name { font-weight: 600; font-size: 0.88rem; color: var(--gray-800); }
.topbar-user .user-role { font-size: 0.72rem; color: var(--gray-400); }

/* =================== PAGE CONTENT =================== */
.page-content { padding: 2rem; animation: fadeInUp 0.5s ease; }

/* =================== PAGE HEADER =================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.page-header h2 { font-size: 1.35rem; font-weight: 700; color: var(--secondary); }

/* =================== CARDS =================== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    overflow: hidden;
}
.card:hover { box-shadow: var(--shadow-sm); }

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
}
.card-header h3 { font-size: 1rem; font-weight: 700; color: var(--secondary); }

.card-body { padding: 1.5rem; }
.card-body.p-0 { padding: 0; }

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* =================== STATS GRID =================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.5s ease forwards;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card:hover::before { opacity: 1; }

.stat-card .stat-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; flex-shrink: 0;
    transition: var(--transition);
}
.stat-card:hover .stat-icon { transform: scale(1.1) rotate(-5deg); }

.stat-card .stat-icon.indigo { background: var(--primary-50); color: var(--primary); }
.stat-card .stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-card .stat-icon.amber { background: var(--warning-light); color: var(--warning); }
.stat-card .stat-icon.red { background: var(--danger-light); color: var(--danger); }
.stat-card .stat-icon.blue { background: var(--info-light); color: var(--info); }
.stat-card .stat-icon.purple { background: #f3e8ff; color: #9333ea; }
.stat-card .stat-icon.teal { background: #ccfbf1; color: #14b8a6; }
.stat-card .stat-icon.pink { background: #fce7f3; color: #ec4899; }

.stat-card .stat-info { flex: 1; }
.stat-card .stat-value {
    font-size: 1.5rem; font-weight: 800; color: var(--secondary);
    line-height: 1; letter-spacing: -0.5px;
}
.stat-card .stat-label { font-size: 0.82rem; color: var(--gray-500); margin-top: 0.25rem; font-weight: 500; }
.stat-card .stat-change {
    font-size: 0.75rem; font-weight: 600;
    display: inline-flex; align-items: center; gap: 0.2rem;
    padding: 0.15rem 0.5rem; border-radius: var(--radius-full);
    margin-top: 0.35rem;
}
.stat-card .stat-change.up { background: var(--success-light); color: var(--success); }
.stat-card .stat-change.down { background: var(--danger-light); color: var(--danger); }

/* =================== TABLES =================== */
.table-responsive { overflow-x: auto; border-radius: var(--radius-lg); }

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

.table th {
    background: var(--gray-50);
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.88rem;
    color: var(--gray-700);
    vertical-align: middle;
}

.table tbody tr { transition: var(--transition); }
.table tbody tr:hover { background: var(--primary-50); }
.table tbody tr:last-child td { border-bottom: none; }

.table .actions { display: flex; gap: 0.4rem; }

/* =================== TOOLBAR =================== */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.toolbar-search {
    position: relative;
    flex: 1;
    max-width: 320px;
}
.toolbar-search input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.75rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.88rem;
    transition: var(--transition);
    background: var(--white);
}
.toolbar-search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99,102,241,0.08); }
.toolbar-search i { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--gray-400); font-size: 0.9rem; }

/* =================== EMPTY STATE =================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-400);
    animation: fadeIn 0.6s ease;
}
.empty-state i { font-size: 4rem; margin-bottom: 1.5rem; opacity: 0.3; }
.empty-state h3 { font-size: 1.2rem; color: var(--gray-600); margin-bottom: 0.5rem; font-weight: 600; }
.empty-state p { margin-bottom: 1.5rem; font-size: 0.9rem; }

/* =================== GRID HELPERS =================== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.row { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.col-md-6 { flex: 0 0 calc(50% - 0.75rem); max-width: calc(50% - 0.75rem); }

/* =================== MENU ITEM CARD =================== */
.menu-item-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition);
    animation: fadeInUp 0.5s ease forwards;
}
.menu-item-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.menu-item-card .item-image {
    height: 180px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; overflow: hidden;
    position: relative;
}
.menu-item-card .item-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.menu-item-card:hover .item-image img { transform: scale(1.05); }
.menu-item-card .item-image .item-badges { position: absolute; top: 0.75rem; left: 0.75rem; display: flex; gap: 0.35rem; flex-wrap: wrap; }

.menu-item-card .item-body { padding: 1.25rem; }
.menu-item-card .item-body h4 { font-size: 1rem; font-weight: 700; color: var(--secondary); margin-bottom: 0.25rem; }
.menu-item-card .item-body .item-category { font-size: 0.78rem; color: var(--gray-400); margin-bottom: 0.5rem; }
.menu-item-card .item-body .item-price { font-size: 1.1rem; font-weight: 800; color: var(--primary); }
.menu-item-card .item-body .item-price .old-price { font-size: 0.82rem; color: var(--gray-400); text-decoration: line-through; margin-left: 0.5rem; font-weight: 400; }

.menu-item-card .item-actions {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--gray-100);
    display: flex; justify-content: space-between; align-items: center;
    background: var(--gray-50);
}

/* =================== TOGGLE SWITCH =================== */
.toggle-switch-sm {
    width: 42px; height: 24px;
    background: var(--gray-300); border-radius: 12px;
    position: relative; cursor: pointer;
    transition: var(--transition-bounce);
    border: none; padding: 0;
}
.toggle-switch-sm.active { background: var(--success); }
.toggle-switch-sm::after {
    content: ''; width: 20px; height: 20px;
    background: var(--white); border-radius: 50%;
    position: absolute; top: 2px; left: 2px;
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-xs);
}
.toggle-switch-sm.active::after { left: 20px; }

/* =================== TAB NAV =================== */
.tab-nav {
    display: flex; gap: 0;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 1.5rem;
}
.tab-nav button {
    padding: 0.75rem 1.5rem;
    background: none; border: none;
    font-family: var(--font); font-size: 0.88rem; font-weight: 600;
    color: var(--gray-400);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}
.tab-nav button.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-nav button:hover:not(.active) { color: var(--gray-600); }

.tab-content { display: none; animation: fadeIn 0.3s ease; }
.tab-content.active { display: block; }

/* =================== STATUS BADGES =================== */
.status-badge {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.3rem 0.8rem; border-radius: var(--radius-full);
    font-size: 0.75rem; font-weight: 600;
}
.status-badge .status-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-badge.active, .status-badge.completed { background: var(--success-light); color: var(--success); }
.status-badge.pending, .status-badge.trial { background: var(--warning-light); color: var(--warning); }
.status-badge.inactive, .status-badge.cancelled { background: var(--danger-light); color: var(--danger); }
.status-badge.preparing { background: var(--info-light); color: var(--info); }

/* =================== AUTH PAGES =================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #312e81 70%, #4338ca 100%);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}
.auth-page::before {
    content: ''; position: absolute; top: -30%; right: -20%; width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 70%);
    border-radius: 50%; animation: float 10s ease-in-out infinite;
}
.auth-page::after {
    content: ''; position: absolute; bottom: -20%; left: -10%; width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
    border-radius: 50%; animation: float2 12s ease-in-out infinite;
}
.auth-page .particles {
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 40px 40px;
}

.auth-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 440px;
    padding: 3rem;
    box-shadow: var(--shadow-xl), 0 0 80px rgba(99,102,241,0.1);
    position: relative;
    z-index: 2;
    animation: scaleIn 0.6s ease;
    border: 1px solid rgba(255,255,255,0.3);
}

.auth-card .auth-brand {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-card .auth-brand .logo-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.75rem; color: var(--white);
    margin: 0 auto 1.25rem;
    box-shadow: 0 8px 25px rgba(99,102,241,0.35);
    animation: bounceIn 0.8s ease;
}

.auth-card .auth-brand h1 {
    font-size: 1.5rem; font-weight: 800; color: var(--secondary);
    letter-spacing: -0.5px;
}
.auth-card .auth-brand h1 span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.auth-card .auth-brand p { color: var(--gray-500); font-size: 0.9rem; margin-top: 0.5rem; }

.auth-card .form-group input {
    padding: 0.85rem 1rem 0.85rem 3rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
    width: 100%;
    transition: var(--transition);
    background: var(--white);
}
.auth-card .form-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99,102,241,0.1); outline: none; }

.auth-card .form-group .input-icon {
    position: relative;
}
.auth-card .form-group .input-icon i {
    position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
    color: var(--gray-400); font-size: 0.95rem; z-index: 1;
}

.auth-card .btn-login {
    width: 100%; padding: 0.9rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white); border: none; border-radius: var(--radius);
    font-size: 1rem; font-weight: 700; cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(99,102,241,0.35);
    position: relative; overflow: hidden;
}
.auth-card .btn-login:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,0.5); }

.auth-card .auth-footer { text-align: center; margin-top: 1.75rem; font-size: 0.88rem; color: var(--gray-500); }
.auth-card .auth-footer a { color: var(--primary); font-weight: 600; transition: var(--transition); }
.auth-card .auth-footer a:hover { color: var(--primary-dark); }

.auth-card .divider { display: flex; align-items: center; gap: 1rem; margin: 1.5rem 0; color: var(--gray-400); font-size: 0.82rem; }
.auth-card .divider::before, .auth-card .divider::after { content: ''; flex: 1; height: 1px; background: var(--gray-200); }

/* =================== FORM ROW HELPERS =================== */
.form-row { display: grid; gap: 0.75rem; }
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* =================== TEXT UTILITIES =================== */
.text-muted { color: var(--gray-500) !important; }
.text-center { text-align: center !important; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.ml-1 { margin-left: 0.5rem; }
.ml-2 { margin-left: 1rem; }
.mr-1 { margin-right: 0.5rem; }
.mr-2 { margin-right: 1rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* =================== FORM SIZE VARIANTS =================== */
.form-control-sm { padding: 0.45rem 0.75rem; font-size: 0.82rem; border-radius: var(--radius-sm); }
.form-control-lg { padding: 0.9rem 1.25rem; font-size: 1.05rem; }

/* =================== MODAL FORM PADDING =================== */
.modal-content > form { padding: 1.5rem 2rem 2rem; }
.modal-content > div:not(.modal-header) > form { padding: 0 0 1rem; }

/* =================== CARD HOVER VARIANTS =================== */
.card-hover-lift { transition: var(--transition); }
.card-hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* =================== ADMIN SIDEBAR OVERRIDE =================== */
.sidebar-admin {
    background: linear-gradient(180deg, #0f172a 0%, #1c1917 50%, #292524 100%) !important;
}
.sidebar-admin .sidebar-brand i { color: var(--danger) !important; }

/* =================== SKELETON LOADING =================== */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
.skeleton-text { height: 1rem; width: 100%; margin-bottom: 0.5rem; }
.skeleton-title { height: 1.5rem; width: 60%; margin-bottom: 1rem; }
.skeleton-circle { width: 52px; height: 52px; border-radius: 50%; }
.skeleton-card { height: 200px; border-radius: var(--radius-lg); }

/* =================== CHART PLACEHOLDER =================== */
.chart-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: 1.5rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.chart-container canvas { max-width: 100%; }

/* =================== AVATAR =================== */
.avatar-group { display: flex; }
.avatar-group .avatar { margin-left: -8px; border: 2px solid var(--white); }
.avatar-group .avatar:first-child { margin-left: 0; }

/* =================== NOTIFICATION DOT =================== */
.notification-dot {
    position: relative;
}
.notification-dot::after {
    content: '';
    position: absolute;
    top: -2px; right: -2px;
    width: 10px; height: 10px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--white);
    animation: pulse 2s ease-in-out infinite;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.active { transform: translateX(0); box-shadow: var(--shadow-xl); }
    .main-content { margin-left: 0; }
    .sidebar-toggle { display: flex; align-items: center; justify-content: center; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .col-md-6 { flex: 0 0 100%; max-width: 100%; }
}

@media (max-width: 768px) {
    .page-content { padding: 1.25rem; }
    .topbar { padding: 0.75rem 1.25rem; }
    .stats-grid { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar-search { max-width: 100%; }
    .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .auth-card { padding: 2rem 1.5rem; margin: 1rem; }
}