:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    height: 100vh;
    display: flex;
    align-items: center;
}

.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: none;
}

.login-header {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
}

.app-logo {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.app-name {
    font-weight: 600;
    font-size: 1.5rem;
    margin-bottom: 0;
}

.login-body {
    padding: 2rem;
    background-color: white;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.input-group-text {
    background-color: #e9ecef;
}