* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f0f2f5; color: #333; }

.login-page { display: flex; justify-content: center; align-items: center; min-height: 100vh; background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%); }
.login-box { background: #fff; padding: 2.5rem; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); width: 380px; }
.login-box h1 { font-size: 1.5rem; color: #1a73e8; margin-bottom: 0.25rem; }
.login-box h2 { font-size: 0.9rem; color: #666; font-weight: 400; margin-bottom: 1.5rem; }

.topnav { background: #1a73e8; color: #fff; padding: 0 1.5rem; display: flex; align-items: center; height: 52px; }
.topnav .brand { font-weight: 700; font-size: 1.1rem; margin-right: 2rem; }
.nav-links { display: flex; gap: 0.25rem; }
.nav-links a { color: rgba(255,255,255,0.8); text-decoration: none; padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.9rem; transition: 0.2s; }
.nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,0.15); color: #fff; }

.container { max-width: 1200px; margin: 1.5rem auto; padding: 0 1.5rem; }
.flex-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
h1 { font-size: 1.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.1rem; margin-bottom: 0.75rem; color: #555; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.card { background: #fff; border-radius: 10px; padding: 1.25rem; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.card-value { font-size: 2rem; font-weight: 700; }
.card-label { font-size: 0.85rem; color: #888; margin-top: 0.25rem; }
.card-green .card-value { color: #2e7d32; }
.card-blue .card-value { color: #1565c0; }
.card-purple .card-value { color: #6a1b9a; }
.card-red .card-value { color: #c62828; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
@media (max-width: 768px) { .grid-2 { grid-template-columns: 1fr; } }

.panel { background: #fff; border-radius: 10px; padding: 1.25rem; box-shadow: 0 2px 8px rgba(0,0,0,0.06); margin-bottom: 1.5rem; }

.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 2px solid #e0e0e0; color: #666; font-weight: 600; }
.table td { padding: 0.6rem 0.75rem; border-bottom: 1px solid #f0f0f0; }
.table tr:hover td { background: #f8f9ff; }
.table .empty { text-align: center; padding: 2rem; color: #999; }

.table-detail { width: 100%; font-size: 0.9rem; }
.table-detail th { text-align: left; padding: 0.5rem 0.75rem; color: #666; font-weight: 600; width: 140px; vertical-align: top; }
.table-detail td { padding: 0.5rem 0.75rem; }

.badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 12px; font-size: 0.8rem; font-weight: 500; }
.badge-new { background: #e3f2fd; color: #1565c0; }
.badge-contacted { background: #fff3e0; color: #e65100; }
.badge-qualified { background: #e8f5e9; color: #2e7d32; }
.badge-converted { background: #f3e5f5; color: #6a1b9a; }
.badge-unsubscribed { background: #ffebee; color: #c62828; }

.filters { background: #fff; border-radius: 10px; padding: 1rem; box-shadow: 0 2px 8px rgba(0,0,0,0.06); margin-bottom: 1rem; }
.filter-row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: flex-end; }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-size: 0.8rem; color: #888; margin-bottom: 0.25rem; }
.form-group input, .form-group select { padding: 0.45rem 0.6rem; border: 1px solid #ddd; border-radius: 6px; font-size: 0.9rem; }
.form-group-btn { align-self: flex-end; }
.form-group-btn .btn + .btn { margin-left: 0.5rem; }

.btn { display: inline-block; padding: 0.45rem 1rem; border: 1px solid #ddd; border-radius: 6px; font-size: 0.9rem; text-decoration: none; color: #555; background: #fff; cursor: pointer; transition: 0.2s; }
.btn:hover { background: #f5f5f5; }
.btn-primary { background: #1a73e8; color: #fff; border-color: #1a73e8; }
.btn-primary:hover { background: #1565c0; }
.btn-success { background: #2e7d32; color: #fff; border-color: #2e7d32; }
.btn-success:hover { background: #1b5e20; }
.btn-full { width: 100%; text-align: center; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-top: 1rem; }
.page-info { color: #888; font-size: 0.9rem; }

.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-error { background: #ffebee; color: #c62828; border: 1px solid #ffcdd2; }