:root {
    --primary-color: #198754;
    --primary-dark: #146c43;
    --text-color: #000000;
    --background-color: #ffffff;
    --border-color: #dee2e6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.navbar {
    background-color: #000000 !important;
    border-bottom: 2px solid var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color) !important;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: #ffffff !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #ffffff;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.card {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: box-shadow 0.3s ease;
    background-color: var(--background-color);
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.border-primary {
    border-color: var(--primary-color) !important;
}

.alert-success {
    background-color: #d1e7dd;
    border-color: #badbcc;
    color: #0f5132;
}

.alert-error,
.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.footer {
    background-color: #f8f9fa;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding: 2rem 0;
}

.language-selector {
    border: none;
    background: none;
    color: #ffffff;
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: background-color 0.3s ease;
}

.language-selector:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--primary-color);
    text-decoration: none;
}

.language-selector.active {
    background-color: var(--primary-color);
    color: #ffffff;
}

.navbar-toggler {
    border-color: #ffffff;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.dropdown-menu {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
}

.dropdown-item {
    color: var(--text-color) !important;
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: #ffffff !important;
}

.dropdown-item.active {
    background-color: var(--primary-color);
    color: #ffffff !important;
}

.app-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.app-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.family-member {
    text-align: center;
    padding: 1.5rem;
}

.family-member-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 3rem;
    color: #ffffff;
    font-weight: 600;
}

.hero-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .family-member-avatar {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ffffff;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.875rem;
}