* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    color: #333;
}
.container {
    max-width: 500px;
    margin: 100px auto;
    padding: 20px;
}
.auth-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.auth-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #1a73e8;
}
.tab h2 {
    margin-bottom: 20px;
}
input, select, textarea {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}
button {
    width: 100%;
    padding: 12px;
    background: #1a73e8;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}
button:hover {
    background: #1557b0;
}
.alert {
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
}
.alert.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.alert.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 2px solid #ddd;
    margin-bottom: 30px;
}
nav h2 {
    color: #1a73e8;
}
.btn-logout {
    padding: 8px 15px;
    background: #dc3545;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.stat-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
}
.stat-card h3 {
    color: #666;
    font-size: 14px;
}
.stat-card p {
    font-size: 28px;
    font-weight: bold;
    margin-top: 10px;
}
.section {
    background: white;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.section h2 {
    margin-bottom: 20px;
    color: #1a73e8;
}
.ad-form, .wallet-form {
    display: grid;
    gap: 10px;
}
.ad-item, .trans-item {
    padding: 15px;
    border: 1px solid #eee;
    border-radius: 5px;
    margin-bottom: 15px;
}
.ad-item h4 {
    color: #1a73e8;
    margin-bottom: 5px;
}
.ad-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin: 10px 0;
    font-size: 14px;
}
.status-pending { color: #ffc107; }
.status-live { color: #28a745; }
.status-rejected { color: #dc3545; }
.admin-comment {
    background: #f8f9fa;
    padding: 8px;
    border-radius: 5px;
    margin-top: 5px;
    font-size: 13px;
}
.admin-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}
.admin-actions form {
    display: flex;
    gap: 10px;
    flex: 1;
}
.admin-actions input[type="text"] {
    flex: 1;
    padding: 8px;
}
.btn-approve {
    background: #28a745;
    color: white;
    padding: 8px 20px;
    text-decoration: none;
    border-radius: 5px;
}
.btn-reject {
    background: #dc3545;
    color: white;
    padding: 8px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.insight-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}
.insight-form input {
    width: auto;
    flex: 1;
    min-width: 80px;
}
.insight-form button {
    width: auto;
    padding: 8px 20px;
}
@media (max-width: 768px) {
    .container { margin: 20px; padding: 10px; }
    .auth-box { padding: 20px; }
    .stats-grid { grid-template-columns: 1fr; }
    .admin-actions { flex-direction: column; }
    .admin-actions form { flex-direction: column; }
}