/* ============================================
   DOW ELEF AUTO EV - Admin Dashboard
   ============================================ */

:root {
    --primary: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #81C784;
    --primary-pale: #E8F5E9;
    --secondary: #2d3436;
    --dark: #1a1a2e;
    --text: #2d3436;
    --text-light: #636e72;
    --text-muted: #95a5a6;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #ecf0f1;
    --border: #dfe6e9;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    --success: #27ae60;
    --shadow: 0 2px 15px rgba(0,0,0,0.08);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --sidebar-width: 260px;
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-body); color: var(--text); background: var(--off-white); min-height: 100vh; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }

/* --- Login Page --- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary), var(--dark));
}

.login-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.login-card .logo { text-align: center; margin-bottom: 30px; }
.login-card .logo img { height: 50px; margin: 0 auto; }
.login-card .logo h2 { font-family: var(--font-heading); color: var(--secondary); margin-top: 12px; font-size: 1.3rem; }
.login-card .logo p { color: var(--text-muted); font-size: 0.88rem; }

.login-card .form-group { margin-bottom: 20px; }
.login-card label { display: block; font-weight: 500; margin-bottom: 6px; font-size: 0.9rem; }

.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

.login-card input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(76,175,80,0.15); }

.login-card .btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

.login-card .btn-login:hover { background: var(--primary-dark); }

.login-error {
    background: #fdecea;
    color: var(--danger);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-bottom: 16px;
}

/* --- Dashboard Layout --- */
.admin-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--secondary);
    color: var(--white);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header img { height: 36px; }
.sidebar-header .brand-text { color: var(--primary-light); font-size: 0.78rem; margin-top: 6px; }

.sidebar-nav { padding: 16px 0; }

.sidebar-nav .nav-section {
    padding: 8px 20px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.4);
    margin-top: 12px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover { background: rgba(255,255,255,0.05); color: var(--white); }
.sidebar-nav a.active { background: rgba(76,175,80,0.1); color: var(--primary-light); border-left-color: var(--primary); }
.sidebar-nav a i { width: 20px; text-align: center; }

/* Main Content */
.admin-main {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
}

/* Top Header */
.admin-header {
    background: var(--white);
    padding: 16px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 50;
}

.admin-header h1 { font-size: 1.3rem; font-family: var(--font-heading); }
.admin-header .header-right { display: flex; align-items: center; gap: 16px; }

.admin-header .user-info { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; }
.admin-header .user-avatar {
    width: 36px; height: 36px;
    background: var(--primary-pale);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    font-weight: 600;
}

.admin-header .btn-logout {
    padding: 8px 16px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.82rem;
    transition: var(--transition);
    font-family: var(--font-body);
}

.admin-header .btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* Content Area */
.admin-content { padding: 30px; }

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-card .stat-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
}

.stat-icon.green { background: var(--primary-pale); color: var(--primary); }
.stat-icon.blue { background: #e3f2fd; color: var(--info); }
.stat-icon.orange { background: #fff3e0; color: var(--warning); }
.stat-icon.red { background: #fce4ec; color: var(--danger); }

.stat-card .stat-number { font-size: 1.6rem; font-weight: 700; font-family: var(--font-heading); }
.stat-card .stat-label { font-size: 0.82rem; color: var(--text-muted); }

/* Data Tables */
.data-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.data-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.data-card-header h3 { font-size: 1.1rem; }

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

.data-table thead { background: var(--off-white); }

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: var(--off-white); }

/* Status Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-new { background: #e3f2fd; color: var(--info); }
.badge-contacted { background: #fff3e0; color: #e65100; }
.badge-qualified { background: var(--primary-pale); color: var(--primary-dark); }
.badge-converted { background: #e8f5e9; color: var(--success); }
.badge-lost { background: #fce4ec; color: var(--danger); }
.badge-pending { background: #fff3e0; color: #e65100; }
.badge-confirmed { background: #e3f2fd; color: var(--info); }
.badge-completed { background: #e8f5e9; color: var(--success); }
.badge-cancelled { background: #fce4ec; color: var(--danger); }
.badge-unread { background: var(--danger); color: var(--white); }

/* Action Buttons */
.action-btn {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--white);
    color: var(--text-light);
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

.action-btn:hover { border-color: var(--primary); color: var(--primary); }
.action-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

.action-btn-group { display: flex; gap: 6px; }

/* Admin Forms */
.admin-form { max-width: 700px; }
.admin-form .form-group { margin-bottom: 20px; }
.admin-form label { display: block; font-weight: 500; font-size: 0.9rem; margin-bottom: 6px; }

.admin-form input,
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(76,175,80,0.15); }

.admin-form textarea { resize: vertical; min-height: 100px; }

.admin-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.btn-admin {
    padding: 10px 24px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

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

/* Pagination */
.pagination { display: flex; gap: 6px; margin-top: 20px; padding: 16px 24px; }

.pagination a, .pagination span {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current-page { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* Filters */
.filters {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filters select, .filters input {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-family: var(--font-body);
}

/* Detail View */
.detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.detail-section { margin-bottom: 24px; }
.detail-section h4 { color: var(--text-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.detail-section p { font-size: 0.95rem; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .admin-main { margin-left: 0; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .admin-form .form-row { grid-template-columns: 1fr; }
}