:root {
    --primary: #67e280;
    --secondary: #6c757d;
    --success: #198754;
    --info: #0dcaf0;
    --warning: #ffc107;
    --danger: #dc3545;
    --light: #f8f9fa;
    --dark: #212529;
}

body {
    background-color: #f5f7fb;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

footer {
    margin-top: auto;
}

.card {
    border-radius: 12px;
    overflow: hidden;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card-header {
    padding: 1.25rem 1.5rem;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f0f2f5;
    margin: 0 auto;
}

.avatar-initials {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
}

.app-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.btn-lg {
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
    border-radius: 10px;
}

.form-control {
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(103, 226, 128, 0.25);
}

.alert {
    border-radius: 10px;
}

.list-group-item {
    border: none;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item:hover {
    background-color: rgba(103, 226, 128, 0.05);
}