* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f7fa;
    color: #333;
}
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.nav-brand { font-size: 1.5em; font-weight: bold; }
.nav-menu a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background 0.3s;
}
.nav-menu a:hover { background: rgba(255,255,255,0.2); }
.container { max-width: 1400px; margin: 2rem auto; padding: 0 2rem; }
.section { background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); margin-bottom: 2rem; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}
.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
}
.stat-card h3 { font-size: 0.9em; opacity: 0.9; margin-bottom: 0.5rem; }
.stat-card .value { font-size: 2.5em; font-weight: bold; }
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: all 0.3s;
}
.btn-primary {
    background: #667eea;
    color: white;
}
.btn-primary:hover { background: #5568d3; transform: translateY(-2px); }
.leads-table {
    margin-top: 1rem;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}
th { background: #f5f7fa; font-weight: 600; }