body {
    background: linear-gradient(135deg, #1a1c2e 0%, #2d3561 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 48px;
    color: #4e73df;
    margin-bottom: 15px;
}

.login-header h2 {
    color: #333;
    font-weight: 600;
    margin-bottom: 5px;
}

.login-header p {
    font-size: 14px;
}

.form-label {
    font-weight: 500;
    color: #555;
}

.input-group-text {
    background-color: #f8f9fc;
    border-right: none;
}

.input-group .form-control {
    border-left: none;
}

.input-group .form-control:focus {
    border-color: #d1d3e2;
    box-shadow: none;
}

.input-group:focus-within .input-group-text {
    border-color: #bac8f3;
}

.btn-primary {
    background-color: #4e73df;
    border-color: #4e73df;
    padding: 10px;
    font-weight: 600;
    font-size: 15px;
}

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}