:root {
    --bs-primary: #4361ee;
    --bs-secondary: #3f37c9;
    --bs-accent: #4895ef;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: linear-gradient(135deg, var(--bs-secondary), var(--bs-accent));
    color: #fff;
    padding: 24px 0;
    margin-bottom: 28px;
}

.app-header h1 {
    font-weight: 600;
    margin: 0;
}

.app-header p {
    margin: 4px 0 0;
    opacity: 0.9;
}

.btn-person {
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    font-weight: 500;
}

.btn-person:hover {
    transform: translateY(-2px);
}

.btn-person .badge {
    position: absolute;
    top: -1px;
    right: -1px;
    font-size: 0.7rem;
}

.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 576px) {
    .btn-person {
        padding: 0.5rem;
        font-size: 0.85rem;
    }
}