* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f7fa;
    color: #333;
}

#app {
    min-height: 100vh;
}

header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.logo-icon {
    font-size: 2.5rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
}

.logo p {
    font-size: 0.9rem;
    opacity: 0.9;
}

nav {
    display: flex;
    gap: 1rem;
}

nav button {
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

nav button:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

nav button.active {
    background: white;
    color: #1e3c72;
    border-color: white;
}

main {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.dashboard h1, .clientes h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #1e3c72;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.stat-card h3 {
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e3c72;
}

.recent-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.recent-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #1e3c72;
}

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

thead {
    background: #f8f9fa;
}

th {
    text-align: left;
    padding: 1rem;
    font-weight: 600;
    color: #666;
    border-bottom: 2px solid #e9ecef;
}

td {
    padding: 1rem;
    border-bottom: 1px solid #e9ecef;
}

tr:hover {
    background: #f8f9fa;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-ativo {
    background: #d4edda;
    color: #155724;
}

.clientes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.btn-primary {
    background: #1e3c72;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: #2a5298;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

.loading {
    text-align: center;
    padding: 3rem;
    color: #666;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}